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authorNick Piggin <npiggin@suse.de>2008-08-02 12:01:03 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-04 21:31:34 -0700
commit529ae9aaa08378cfe2a4350bded76f32cc8ff0ce (patch)
treed3ae998f9876c72a83a022805103a92111852b21 /mm/swapfile.c
parente9ba9698187ddbc0c5bfcf41de0349a662d23d02 (diff)
downloadlinux-529ae9aaa08378cfe2a4350bded76f32cc8ff0ce.tar.bz2
mm: rename page trylock
Converting page lock to new locking bitops requires a change of page flag operation naming, so we might as well convert it to something nicer (!TestSetPageLocked_Lock => trylock_page, SetPageLocked => set_page_locked). This also facilitates lockdeping of page lock. Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/swapfile.c')
-rw-r--r--mm/swapfile.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c
index bb7f79641f9e..1e330f2998fa 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -403,7 +403,7 @@ void free_swap_and_cache(swp_entry_t entry)
if (p) {
if (swap_entry_free(p, swp_offset(entry)) == 1) {
page = find_get_page(&swapper_space, entry.val);
- if (page && unlikely(TestSetPageLocked(page))) {
+ if (page && unlikely(!trylock_page(page))) {
page_cache_release(page);
page = NULL;
}