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[PATCH] mm: less atomic ops

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In the page release paths, we can be sure that nobody will mess with our
page->flags because the refcount has dropped to 0.  So no need for atomic
operations here.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nick Piggin 2006-03-22 00:08:00 -08:00 • committed by Linus Torvalds
parent 4c84cacfa4
commit 674539115c
3 changed files with 5 additions and 3 deletions
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include/linux/mm_inline.h
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@ -32,7 +32,7 @@ del_page_from_lru(struct zone *zone, struct page *page)
{
list_del(&page->lru);
if (PageActive(page)) {
ClearPageActive(page);
__ClearPageActive(page);
zone->nr_active--;
} else {
zone->nr_inactive--;