[PATCH] mm: less atomic ops
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:
committed by
Linus Torvalds
parent
4c84cacfa4
commit
674539115c
@@ -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--;
|
||||
|
||||
Reference in New Issue
Block a user