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Code Issues Releases Activity

Account for pv entry pages in the total number of wired pages. (Note: pv

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entry pages have always been included in the total number of wired pages
on i386 just not amd64.)

MFC after: 6 weeks
This commit is contained in:
Alan Cox 2007-11-28 22:41:14 +00:00
parent 45358a0069
commit b3e2a63fa6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=174056
1 changed files with 6 additions and 3 deletions
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9
sys/amd64/amd64/pmap.c
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@ -1733,6 +1733,7 @@ free_pv_entry(pmap_t pmap, pv_entry_t pv)
TAILQ_REMOVE(&pmap->pm_pvchunk, pc, pc_list);
m = PHYS_TO_VM_PAGE(DMAP_TO_PHYS((vm_offset_t)pc));
dump_drop_page(m->phys_addr);
vm_page_unwire(m, 0);
vm_page_free(m);
}
@ -1782,7 +1783,8 @@ get_pv_entry(pmap_t pmap, int try)
}
}
/* No free items, allocate another chunk */
m = vm_page_alloc(NULL, colour, VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ);
m = vm_page_alloc(NULL, colour, VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ |
VM_ALLOC_WIRED);
if (m == NULL) {
if (try) {
pv_entry_count--;
@ -1797,12 +1799,12 @@ get_pv_entry(pmap_t pmap, int try)
PV_STAT(pmap_collect_inactive++);
pmap_collect(pmap, &vm_page_queues[PQ_INACTIVE]);
m = vm_page_alloc(NULL, colour,
VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ);
VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED);
if (m == NULL) {
PV_STAT(pmap_collect_active++);
pmap_collect(pmap, &vm_page_queues[PQ_ACTIVE]);
m = vm_page_alloc(NULL, colour,
VM_ALLOC_SYSTEM | VM_ALLOC_NOOBJ);
VM_ALLOC_SYSTEM | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED);
if (m == NULL)
panic("get_pv_entry: increase vm.pmap.shpgperproc");
}
@ -3048,6 +3050,7 @@ pmap_remove_pages(pmap_t pmap)
TAILQ_REMOVE(&pmap->pm_pvchunk, pc, pc_list);
m = PHYS_TO_VM_PAGE(DMAP_TO_PHYS((vm_offset_t)pc));
dump_drop_page(m->phys_addr);
vm_page_unwire(m, 0);
vm_page_free(m);
}
}