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Add a separate tree to track arena chunks that contain dirty pages.
This substantially improves worst case allocation performance, since O(lg n) tree search can be used instead of O(n) tree iteration. Use rb_wrap() instead of directly calling rb_*() macros.
This commit is contained in:
Jason Evans
parent
21162484ae
commit
9007109030
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=178709
@ -70,9 +70,9 @@
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* | | 8 kB |
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* | | 12 kB |
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* | | ... |
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* | | 1004 kB |
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* | | 1008 kB |
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* | | 1012 kB |
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* | | 1016 kB |
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* |=====================================|
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* | Huge | 1 MB |
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* | | 2 MB |
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@ -482,8 +482,11 @@ struct arena_chunk_s {
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/* Arena that owns the chunk. */
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arena_t *arena;
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/* Linkage for the arena's chunk tree. */
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rb_node(arena_chunk_t) link;
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/* Linkage for the arena's chunks_all tree. */
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rb_node(arena_chunk_t) link_all;
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/* Linkage for the arena's chunks_dirty tree. */
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rb_node(arena_chunk_t) link_dirty;
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/*
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* Number of pages in use. This is maintained in order to make
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@ -584,15 +587,25 @@ struct arena_s {
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arena_stats_t stats;
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#endif
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/* Tree of all chunks this arena manages. */
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arena_chunk_tree_t chunks_all;
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/*
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* Tree of chunks this arena manages.
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* Tree of dirty-page-containing chunks this arena manages. This tree
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* is maintained in addition to chunks_all in order to make
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* deallocation O(lg d), where 'd' is the size of chunks_dirty.
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*
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* Without this tree, deallocation would be O(a), where 'a' is the size
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* of chunks_all. Since dirty pages are purged in descending memory
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* order, it would not be difficult to trigger something approaching
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* worst case behavior with a series of large deallocations.
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*/
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arena_chunk_tree_t chunks;
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arena_chunk_tree_t chunks_dirty;
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/*
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* In order to avoid rapid chunk allocation/deallocation when an arena
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* oscillates right on the cusp of needing a new chunk, cache the most
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* recently freed chunk. The spare is left in the arena's chunk tree
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* recently freed chunk. The spare is left in the arena's chunk trees
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* until it is deleted.
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*
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* There is one spare chunk per arena, rather than one spare total, in
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@ -1432,20 +1445,9 @@ extent_szad_comp(extent_node_t *a, extent_node_t *b)
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return (ret);
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}
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/* Wrap large red-black tree macros in functions. */
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static void
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extent_tree_szad_insert(extent_tree_t *tree, extent_node_t *extent)
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{
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rb_insert(extent_node_t, link_szad, extent_szad_comp, tree, extent);
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}
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static void
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extent_tree_szad_remove(extent_tree_t *tree, extent_node_t *extent)
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{
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rb_remove(extent_node_t, link_szad, extent_szad_comp, tree, extent);
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}
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/* Wrap red-black tree macros in functions. */
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rb_wrap(__unused static, extent_tree_szad_, extent_tree_t, extent_node_t,
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link_szad, extent_szad_comp)
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static inline int
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extent_ad_comp(extent_node_t *a, extent_node_t *b)
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@ -1456,20 +1458,9 @@ extent_ad_comp(extent_node_t *a, extent_node_t *b)
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return ((a_addr > b_addr) - (a_addr < b_addr));
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}
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/* Wrap large red-black tree macros in functions. */
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static void
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extent_tree_ad_insert(extent_tree_t *tree, extent_node_t *extent)
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{
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rb_insert(extent_node_t, link_ad, extent_ad_comp, tree, extent);
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}
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static void
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extent_tree_ad_remove(extent_tree_t *tree, extent_node_t *extent)
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{
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rb_remove(extent_node_t, link_ad, extent_ad_comp, tree, extent);
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}
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/* Wrap red-black tree macros in functions. */
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rb_wrap(__unused static, extent_tree_ad_, extent_tree_t, extent_node_t, link_ad,
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extent_ad_comp)
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/*
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* End extent tree code.
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@ -1592,8 +1583,7 @@ chunk_recycle_dss(size_t size, bool zero)
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key.addr = NULL;
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key.size = size;
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malloc_mutex_lock(&dss_mtx);
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rb_nsearch(extent_node_t, link_szad, extent_szad_comp, &dss_chunks_szad,
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&key, node);
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node = extent_tree_szad_nsearch(&dss_chunks_szad, &key);
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if (node != NULL) {
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void *ret = node->addr;
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@ -1751,8 +1741,7 @@ chunk_dealloc_dss_record(void *chunk, size_t size)
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extent_node_t *node, *prev, key;
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key.addr = (void *)((uintptr_t)chunk + size);
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rb_nsearch(extent_node_t, link_ad, extent_ad_comp, &dss_chunks_ad,
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&key, node);
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node = extent_tree_ad_nsearch(&dss_chunks_ad, &key);
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/* Try to coalesce forward. */
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if (node != NULL && node->addr == key.addr) {
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/*
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@ -1782,8 +1771,7 @@ chunk_dealloc_dss_record(void *chunk, size_t size)
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}
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/* Try to coalesce backward. */
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rb_prev(extent_node_t, link_ad, extent_ad_comp, &dss_chunks_ad, node,
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prev);
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prev = extent_tree_ad_prev(&dss_chunks_ad, node);
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if (prev != NULL && (void *)((uintptr_t)prev->addr + prev->size) ==
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chunk) {
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/*
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@ -2023,20 +2011,11 @@ arena_chunk_comp(arena_chunk_t *a, arena_chunk_t *b)
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return ((a_chunk > b_chunk) - (a_chunk < b_chunk));
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}
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/* Wrap large red-black tree macros in functions. */
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static void
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arena_chunk_tree_insert(arena_chunk_tree_t *tree, arena_chunk_t *chunk)
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{
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rb_insert(arena_chunk_t, link, arena_chunk_comp, tree, chunk);
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}
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static void
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arena_chunk_tree_remove(arena_chunk_tree_t *tree, arena_chunk_t *chunk)
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{
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rb_remove(arena_chunk_t, link, arena_chunk_comp, tree, chunk);
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}
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/* Wrap red-black tree macros in functions. */
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rb_wrap(__unused static, arena_chunk_tree_all_, arena_chunk_tree_t,
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arena_chunk_t, link_all, arena_chunk_comp)
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rb_wrap(__unused static, arena_chunk_tree_dirty_, arena_chunk_tree_t,
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arena_chunk_t, link_dirty, arena_chunk_comp)
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static inline int
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arena_run_comp(arena_run_t *a, arena_run_t *b)
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@ -2050,27 +2029,16 @@ arena_run_comp(arena_run_t *a, arena_run_t *b)
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return ((a_run > b_run) - (a_run < b_run));
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}
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/* Wrap large red-black tree macros in functions. */
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static void
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arena_run_tree_insert(arena_run_tree_t *tree, arena_run_t *run)
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{
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rb_insert(arena_run_t, link, arena_run_comp, tree, run);
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}
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static void
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arena_run_tree_remove(arena_run_tree_t *tree, arena_run_t *run)
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{
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rb_remove(arena_run_t, link, arena_run_comp, tree, run);
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}
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/* Wrap red-black tree macros in functions. */
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rb_wrap(__unused static, arena_run_tree_, arena_run_tree_t, arena_run_t, link,
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arena_run_comp)
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static extent_node_t *
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arena_chunk_node_alloc(arena_chunk_t *chunk)
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{
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extent_node_t *ret;
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rb_first(extent_node_t, link_ad, &chunk->nodes, ret);
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ret = extent_tree_ad_first(&chunk->nodes);
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if (ret != NULL)
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extent_tree_ad_remove(&chunk->nodes, ret);
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else {
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@ -2261,19 +2229,19 @@ arena_run_split(arena_t *arena, arena_run_t *run, size_t size, bool small,
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bool zero)
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{
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arena_chunk_t *chunk;
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size_t run_ind, total_pages, need_pages, rem_pages, i;
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size_t old_ndirty, run_ind, total_pages, need_pages, rem_pages, i;
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extent_node_t *nodeA, *nodeB, key;
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/* Insert a node into runs_alloced_ad for the first part of the run. */
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chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(run);
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old_ndirty = chunk->ndirty;
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nodeA = arena_chunk_node_alloc(chunk);
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nodeA->addr = run;
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nodeA->size = size;
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extent_tree_ad_insert(&arena->runs_alloced_ad, nodeA);
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key.addr = run;
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rb_search(extent_node_t, link_ad, extent_ad_comp, &arena->runs_avail_ad,
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&key, nodeB);
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nodeB = extent_tree_ad_search(&arena->runs_avail_ad, &key);
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assert(nodeB != NULL);
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run_ind = (unsigned)(((uintptr_t)run - (uintptr_t)chunk)
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@ -2326,6 +2294,8 @@ arena_run_split(arena_t *arena, arena_run_t *run, size_t size, bool small,
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}
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chunk->pages_used += need_pages;
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if (chunk->ndirty == 0 && old_ndirty > 0)
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arena_chunk_tree_dirty_remove(&arena->chunks_dirty, chunk);
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}
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static arena_chunk_t *
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@ -2347,7 +2317,7 @@ arena_chunk_alloc(arena_t *arena)
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chunk->arena = arena;
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arena_chunk_tree_insert(&arena->chunks, chunk);
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arena_chunk_tree_all_insert(&arena->chunks_all, chunk);
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/*
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* Claim that no pages are in use, since the header is merely
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@ -2367,7 +2337,7 @@ arena_chunk_alloc(arena_t *arena)
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arena_chunk_header_npages));
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/* Initialize the tree of unused extent nodes. */
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rb_tree_new(extent_node_t, link_ad, &chunk->nodes);
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extent_tree_ad_new(&chunk->nodes);
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chunk->nodes_past = (extent_node_t *)QUANTUM_CEILING(
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(uintptr_t)&chunk->map[chunk_npages]);
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}
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@ -2389,8 +2359,13 @@ arena_chunk_dealloc(arena_t *arena, arena_chunk_t *chunk)
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extent_node_t *node, key;
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if (arena->spare != NULL) {
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arena_chunk_tree_remove(&chunk->arena->chunks, arena->spare);
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arena->ndirty -= arena->spare->ndirty;
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arena_chunk_tree_all_remove(&chunk->arena->chunks_all,
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arena->spare);
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if (arena->spare->ndirty > 0) {
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arena_chunk_tree_dirty_remove(
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&chunk->arena->chunks_dirty, arena->spare);
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arena->ndirty -= arena->spare->ndirty;
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}
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chunk_dealloc((void *)arena->spare, chunksize);
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#ifdef MALLOC_STATS
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arena->stats.mapped -= chunksize;
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@ -2400,13 +2375,12 @@ arena_chunk_dealloc(arena_t *arena, arena_chunk_t *chunk)
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/*
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* Remove run from the runs trees, regardless of whether this chunk
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* will be cached, so that the arena does not use it. Dirty page
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* flushing only uses the chunks tree, so leaving this chunk in that
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* tree is sufficient for that purpose.
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* flushing only uses the chunks_dirty tree, so leaving this chunk in
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* the chunks_* trees is sufficient for that purpose.
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*/
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key.addr = (void *)((uintptr_t)chunk + (arena_chunk_header_npages <<
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pagesize_2pow));
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rb_search(extent_node_t, link_ad, extent_ad_comp, &arena->runs_avail_ad,
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&key, node);
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node = extent_tree_ad_search(&arena->runs_avail_ad, &key);
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assert(node != NULL);
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extent_tree_szad_remove(&arena->runs_avail_szad, node);
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extent_tree_ad_remove(&arena->runs_avail_ad, node);
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@ -2429,8 +2403,7 @@ arena_run_alloc(arena_t *arena, size_t size, bool small, bool zero)
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/* Search the arena's chunks for the lowest best fit. */
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key.addr = NULL;
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key.size = size;
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rb_nsearch(extent_node_t, link_szad, extent_szad_comp,
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&arena->runs_avail_szad, &key, node);
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node = extent_tree_szad_nsearch(&arena->runs_avail_szad, &key);
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if (node != NULL) {
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run = (arena_run_t *)node->addr;
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arena_run_split(arena, run, size, small, zero);
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@ -2454,13 +2427,21 @@ static void
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arena_purge(arena_t *arena)
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{
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arena_chunk_t *chunk;
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size_t i, npages;
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#ifdef MALLOC_DEBUG
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size_t ndirty;
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ndirty = 0;
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rb_foreach_begin(arena_chunk_t, link, &arena->chunks, chunk) {
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rb_foreach_begin(arena_chunk_t, link_all, &arena->chunks_all, chunk) {
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ndirty += chunk->ndirty;
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} rb_foreach_end(arena_chunk_t, link, &arena->chunks, chunk)
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} rb_foreach_end(arena_chunk_t, link_all, &arena->chunks_all, chunk)
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assert(ndirty == arena->ndirty);
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ndirty = 0;
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rb_foreach_begin(arena_chunk_t, link_dirty, &arena->chunks_dirty,
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chunk) {
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ndirty += chunk->ndirty;
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} rb_foreach_end(arena_chunk_t, link_dirty, &arena->chunks_dirty, chunk)
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assert(ndirty == arena->ndirty);
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#endif
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assert(arena->ndirty > opt_dirty_max);
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@ -2471,47 +2452,48 @@ arena_purge(arena_t *arena)
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/*
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* Iterate downward through chunks until enough dirty memory has been
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* purged. Terminate as soon as possible in order to minimize the
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* number of system calls, even if a chunk has only been partially
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* purged.
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*/
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rb_foreach_reverse_begin(arena_chunk_t, link, &arena->chunks, chunk) {
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if (chunk->ndirty > 0) {
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size_t i;
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while (arena->ndirty > (opt_dirty_max >> 1)) {
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chunk = arena_chunk_tree_dirty_last(&arena->chunks_dirty);
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assert(chunk != NULL);
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for (i = chunk_npages - 1; i >=
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arena_chunk_header_npages; i--) {
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if (chunk->map[i] & CHUNK_MAP_DIRTY) {
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size_t npages;
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for (i = chunk_npages - 1; chunk->ndirty > 0; i--) {
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assert(i >= arena_chunk_header_npages);
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chunk->map[i] = (CHUNK_MAP_LARGE |
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CHUNK_MAP_POS_MASK);
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chunk->ndirty--;
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arena->ndirty--;
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/* Find adjacent dirty run(s). */
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for (npages = 1; i >
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arena_chunk_header_npages &&
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(chunk->map[i - 1] &
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CHUNK_MAP_DIRTY); npages++) {
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i--;
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chunk->map[i] = (CHUNK_MAP_LARGE
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| CHUNK_MAP_POS_MASK);
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chunk->ndirty--;
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arena->ndirty--;
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}
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madvise((void *)((uintptr_t)chunk + (i
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<< pagesize_2pow)), pagesize *
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npages, MADV_FREE);
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#ifdef MALLOC_STATS
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arena->stats.nmadvise++;
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arena->stats.purged += npages;
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#endif
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if (arena->ndirty <= (opt_dirty_max >>
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1))
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return;
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if (chunk->map[i] & CHUNK_MAP_DIRTY) {
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chunk->map[i] = (CHUNK_MAP_LARGE |
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CHUNK_MAP_POS_MASK);
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/* Find adjacent dirty run(s). */
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for (npages = 1; i > arena_chunk_header_npages
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&& (chunk->map[i - 1] & CHUNK_MAP_DIRTY);
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npages++) {
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i--;
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chunk->map[i] = (CHUNK_MAP_LARGE
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| CHUNK_MAP_POS_MASK);
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}
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chunk->ndirty -= npages;
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arena->ndirty -= npages;
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madvise((void *)((uintptr_t)chunk + (i <<
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pagesize_2pow)), pagesize * npages,
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MADV_FREE);
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#ifdef MALLOC_STATS
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arena->stats.nmadvise++;
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arena->stats.purged += npages;
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#endif
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if (arena->ndirty <= (opt_dirty_max >> 1))
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break;
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}
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}
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} rb_foreach_reverse_end(arena_chunk_t, link, &arena->chunks, chunk)
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if (chunk->ndirty == 0) {
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arena_chunk_tree_dirty_remove(&arena->chunks_dirty,
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chunk);
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}
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}
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}
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static void
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@ -2523,8 +2505,7 @@ arena_run_dalloc(arena_t *arena, arena_run_t *run, bool dirty)
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/* Remove run from runs_alloced_ad. */
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key.addr = run;
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rb_search(extent_node_t, link_ad, extent_ad_comp,
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&arena->runs_alloced_ad, &key, nodeB);
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nodeB = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
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assert(nodeB != NULL);
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extent_tree_ad_remove(&arena->runs_alloced_ad, nodeB);
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size = nodeB->size;
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@ -2546,9 +2527,14 @@ arena_run_dalloc(arena_t *arena, arena_run_t *run, bool dirty)
|
||||
assert((chunk->map[run_ind + i] & CHUNK_MAP_DIRTY) ==
|
||||
0);
|
||||
chunk->map[run_ind + i] |= CHUNK_MAP_DIRTY;
|
||||
chunk->ndirty++;
|
||||
arena->ndirty++;
|
||||
}
|
||||
|
||||
if (chunk->ndirty == 0) {
|
||||
arena_chunk_tree_dirty_insert(&arena->chunks_dirty,
|
||||
chunk);
|
||||
}
|
||||
chunk->ndirty += run_pages;
|
||||
arena->ndirty += run_pages;
|
||||
}
|
||||
#ifdef MALLOC_DEBUG
|
||||
/* Set map elements to a bogus value in order to aid error detection. */
|
||||
@ -2564,8 +2550,7 @@ arena_run_dalloc(arena_t *arena, arena_run_t *run, bool dirty)
|
||||
|
||||
/* Try to coalesce forward. */
|
||||
key.addr = (void *)((uintptr_t)run + size);
|
||||
rb_nsearch(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_avail_ad, &key, nodeC);
|
||||
nodeC = extent_tree_ad_nsearch(&arena->runs_avail_ad, &key);
|
||||
if (nodeC != NULL && nodeC->addr == key.addr) {
|
||||
/*
|
||||
* Coalesce forward. This does not change the position within
|
||||
@ -2587,8 +2572,7 @@ arena_run_dalloc(arena_t *arena, arena_run_t *run, bool dirty)
|
||||
}
|
||||
|
||||
/* Try to coalesce backward. */
|
||||
rb_prev(extent_node_t, link_ad, extent_ad_comp, &arena->runs_avail_ad,
|
||||
nodeB, nodeA);
|
||||
nodeA = extent_tree_ad_prev(&arena->runs_avail_ad, nodeB);
|
||||
if (nodeA != NULL && (void *)((uintptr_t)nodeA->addr + nodeA->size) ==
|
||||
(void *)run) {
|
||||
/*
|
||||
@ -2681,7 +2665,7 @@ arena_bin_nonfull_run_get(arena_t *arena, arena_bin_t *bin)
|
||||
unsigned i, remainder;
|
||||
|
||||
/* Look for a usable run. */
|
||||
rb_first(arena_run_t, link, &bin->runs, run);
|
||||
run = arena_run_tree_first(&bin->runs);
|
||||
if (run != NULL) {
|
||||
/* run is guaranteed to have available space. */
|
||||
arena_run_tree_remove(&bin->runs, run);
|
||||
@ -3053,8 +3037,7 @@ arena_palloc(arena_t *arena, size_t alignment, size_t size, size_t alloc_size)
|
||||
* does not change.
|
||||
*/
|
||||
key.addr = ret;
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_alloced_ad, &key, node);
|
||||
node = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
|
||||
assert(node != NULL);
|
||||
|
||||
arena_run_trim_tail(arena, chunk, node, ret, alloc_size, size,
|
||||
@ -3067,8 +3050,7 @@ arena_palloc(arena_t *arena, size_t alignment, size_t size, size_t alloc_size)
|
||||
* does not change.
|
||||
*/
|
||||
key.addr = ret;
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_alloced_ad, &key, node);
|
||||
node = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
|
||||
assert(node != NULL);
|
||||
|
||||
leadsize = alignment - offset;
|
||||
@ -3228,8 +3210,7 @@ arena_salloc(const void *ptr)
|
||||
arena = chunk->arena;
|
||||
malloc_spin_lock(&arena->lock);
|
||||
key.addr = (void *)ptr;
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_alloced_ad, &key, node);
|
||||
node = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
|
||||
assert(node != NULL);
|
||||
ret = node->size;
|
||||
malloc_spin_unlock(&arena->lock);
|
||||
@ -3261,8 +3242,7 @@ isalloc(const void *ptr)
|
||||
|
||||
/* Extract from tree of huge allocations. */
|
||||
key.addr = __DECONST(void *, ptr);
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp, &huge, &key,
|
||||
node);
|
||||
node = extent_tree_ad_search(&huge, &key);
|
||||
assert(node != NULL);
|
||||
|
||||
ret = node->size;
|
||||
@ -3350,8 +3330,7 @@ arena_dalloc_large(arena_t *arena, arena_chunk_t *chunk, void *ptr)
|
||||
size_t size;
|
||||
|
||||
key.addr = ptr;
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_alloced_ad, &key, node);
|
||||
node = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
|
||||
assert(node != NULL);
|
||||
size = node->size;
|
||||
#ifdef MALLOC_STATS
|
||||
@ -3427,8 +3406,7 @@ arena_ralloc_large_shrink(arena_t *arena, arena_chunk_t *chunk, void *ptr,
|
||||
#else
|
||||
malloc_spin_lock(&arena->lock);
|
||||
#endif
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_alloced_ad, &key, node);
|
||||
node = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
|
||||
assert(node != NULL);
|
||||
arena_run_trim_tail(arena, chunk, node, (arena_run_t *)ptr, oldsize,
|
||||
size, true);
|
||||
@ -3452,8 +3430,7 @@ arena_ralloc_large_grow(arena_t *arena, arena_chunk_t *chunk, void *ptr,
|
||||
#else
|
||||
malloc_spin_lock(&arena->lock);
|
||||
#endif
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp, &arena->runs_avail_ad,
|
||||
&key, nodeC);
|
||||
nodeC = extent_tree_ad_search(&arena->runs_avail_ad, &key);
|
||||
if (nodeC != NULL && oldsize + nodeC->size >= size) {
|
||||
extent_node_t *nodeA, *nodeB;
|
||||
|
||||
@ -3468,13 +3445,11 @@ arena_ralloc_large_grow(arena_t *arena, arena_chunk_t *chunk, void *ptr,
|
||||
oldsize, false, false);
|
||||
|
||||
key.addr = ptr;
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_alloced_ad, &key, nodeA);
|
||||
nodeA = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
|
||||
assert(nodeA != NULL);
|
||||
|
||||
key.addr = (void *)((uintptr_t)ptr + oldsize);
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp,
|
||||
&arena->runs_alloced_ad, &key, nodeB);
|
||||
nodeB = extent_tree_ad_search(&arena->runs_alloced_ad, &key);
|
||||
assert(nodeB != NULL);
|
||||
|
||||
nodeA->size += nodeB->size;
|
||||
@ -3619,14 +3594,15 @@ arena_new(arena_t *arena)
|
||||
#endif
|
||||
|
||||
/* Initialize chunks. */
|
||||
rb_tree_new(arena_chunk_t, link, &arena->chunks);
|
||||
arena_chunk_tree_all_new(&arena->chunks_all);
|
||||
arena_chunk_tree_dirty_new(&arena->chunks_dirty);
|
||||
arena->spare = NULL;
|
||||
|
||||
arena->ndirty = 0;
|
||||
|
||||
rb_tree_new(extent_node_t, link_szad, &arena->runs_avail_szad);
|
||||
rb_tree_new(extent_node_t, link_ad, &arena->runs_avail_ad);
|
||||
rb_tree_new(extent_node_t, link_ad, &arena->runs_alloced_ad);
|
||||
extent_tree_szad_new(&arena->runs_avail_szad);
|
||||
extent_tree_ad_new(&arena->runs_avail_ad);
|
||||
extent_tree_ad_new(&arena->runs_alloced_ad);
|
||||
|
||||
#ifdef MALLOC_BALANCE
|
||||
arena->contention = 0;
|
||||
@ -3639,7 +3615,7 @@ arena_new(arena_t *arena)
|
||||
for (i = 0; i < ntbins; i++) {
|
||||
bin = &arena->bins[i];
|
||||
bin->runcur = NULL;
|
||||
rb_tree_new(arena_run_t, link, &bin->runs);
|
||||
arena_run_tree_new(&bin->runs);
|
||||
|
||||
bin->reg_size = (1U << (TINY_MIN_2POW + i));
|
||||
|
||||
@ -3654,7 +3630,7 @@ arena_new(arena_t *arena)
|
||||
for (; i < ntbins + nqbins; i++) {
|
||||
bin = &arena->bins[i];
|
||||
bin->runcur = NULL;
|
||||
rb_tree_new(arena_run_t, link, &bin->runs);
|
||||
arena_run_tree_new(&bin->runs);
|
||||
|
||||
bin->reg_size = quantum * (i - ntbins + 1);
|
||||
|
||||
@ -3670,7 +3646,7 @@ arena_new(arena_t *arena)
|
||||
for (; i < ntbins + nqbins + nsbins; i++) {
|
||||
bin = &arena->bins[i];
|
||||
bin->runcur = NULL;
|
||||
rb_tree_new(arena_run_t, link, &bin->runs);
|
||||
arena_run_tree_new(&bin->runs);
|
||||
|
||||
bin->reg_size = (small_max << (i - (ntbins + nqbins) + 1));
|
||||
|
||||
@ -3896,7 +3872,7 @@ huge_dalloc(void *ptr)
|
||||
|
||||
/* Extract from tree of huge allocations. */
|
||||
key.addr = ptr;
|
||||
rb_search(extent_node_t, link_ad, extent_ad_comp, &huge, &key, node);
|
||||
node = extent_tree_ad_search(&huge, &key);
|
||||
assert(node != NULL);
|
||||
assert(node->addr == ptr);
|
||||
extent_tree_ad_remove(&huge, node);
|
||||
@ -4396,14 +4372,14 @@ malloc_init_hard(void)
|
||||
|
||||
/* Initialize chunks data. */
|
||||
malloc_mutex_init(&huge_mtx);
|
||||
rb_tree_new(extent_node_t, link_ad, &huge);
|
||||
extent_tree_ad_new(&huge);
|
||||
#ifdef MALLOC_DSS
|
||||
malloc_mutex_init(&dss_mtx);
|
||||
dss_base = sbrk(0);
|
||||
dss_prev = dss_base;
|
||||
dss_max = dss_base;
|
||||
rb_tree_new(extent_node_t, link_szad, &dss_chunks_szad);
|
||||
rb_tree_new(extent_node_t, link_ad, &dss_chunks_ad);
|
||||
extent_tree_szad_new(&dss_chunks_szad);
|
||||
extent_tree_ad_new(&dss_chunks_ad);
|
||||
#endif
|
||||
#ifdef MALLOC_STATS
|
||||
huge_nmalloc = 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user