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Code Issues Releases Activity

o Remove the setting and clearing of the PG_MAPPED flag. (This flag is

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obsolete.)
This commit is contained in:
Alan Cox 2002-08-10 07:11:16 +00:00
parent 673cffefc7
commit db44450b11
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=101634
3 changed files with 4 additions and 4 deletions
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4
sys/vm/vm_fault.c
View File

@ -883,7 +883,7 @@ RetryFault:;
}
vm_page_lock_queues();
vm_page_flag_clear(fs.m, PG_ZERO);
vm_page_flag_set(fs.m, PG_MAPPED|PG_REFERENCED);
vm_page_flag_set(fs.m, PG_REFERENCED);
/*
* If the page is not wired down, then put it where the pageout daemon
@ -1077,7 +1077,7 @@ vm_fault_copy_entry(dst_map, src_map, dst_entry, src_entry)
vm_page_flag_clear(dst_m, PG_ZERO);
pmap_enter(dst_map->pmap, vaddr, dst_m, prot, FALSE);
vm_page_lock_queues();
vm_page_flag_set(dst_m, PG_WRITEABLE|PG_MAPPED);
vm_page_flag_set(dst_m, PG_WRITEABLE);
/*
* Mark it no longer busy, and put it on the active list.

2
sys/vm/vm_kern.c
View File

@ -429,7 +429,7 @@ kmem_malloc(map, size, flags)
* Because this is kernel_pmap, this call will not block.
*/
pmap_enter(kernel_pmap, addr + i, m, VM_PROT_ALL, 1);
vm_page_flag_set(m, PG_MAPPED | PG_WRITEABLE | PG_REFERENCED);
vm_page_flag_set(m, PG_WRITEABLE | PG_REFERENCED);
}
vm_map_unlock(map);

2
sys/vm/vm_page.c
View File

@ -447,7 +447,7 @@ vm_page_protect(vm_page_t mem, int prot)
if (prot == VM_PROT_NONE) {
if (pmap_page_is_mapped(mem) || (mem->flags & PG_WRITEABLE)) {
pmap_page_protect(mem, VM_PROT_NONE);
vm_page_flag_clear(mem, PG_WRITEABLE|PG_MAPPED);
vm_page_flag_clear(mem, PG_WRITEABLE);
}
} else if ((prot == VM_PROT_READ) && (mem->flags & PG_WRITEABLE)) {
pmap_page_protect(mem, VM_PROT_READ);