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There is no point in setting PG_REFERENCED on kmem_object pages because

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they are "unmanaged", i.e., non-pageable, pages.

Remove a stale comment.
This commit is contained in:
Alan Cox 2006-11-13 00:27:02 +00:00
parent b2ba9b4e04
commit 0f3b612a06
1 changed files with 1 additions and 6 deletions
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7
sys/vm/vm_kern.c
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@ -390,9 +390,7 @@ kmem_malloc(map, size, flags)
vm_map_simplify_entry(map, entry);
/*
* Loop thru pages, entering them in the pmap. (We cannot add them to
* the wired count without wrapping the vm_page_queue_lock in
* splimp...)
* Loop thru pages, entering them in the pmap.
*/
VM_OBJECT_LOCK(kmem_object);
for (i = 0; i < size; i += PAGE_SIZE) {
@ -401,9 +399,6 @@ 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_lock_queues();
vm_page_flag_set(m, PG_REFERENCED);
vm_page_unlock_queues();
vm_page_wakeup(m);
}
VM_OBJECT_UNLOCK(kmem_object);