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| author | Nick Piggin <npiggin@suse.de> | 2008-08-02 12:01:03 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 21:31:34 -0700 |
| commit | 529ae9aaa08378cfe2a4350bded76f32cc8ff0ce (patch) | |
| tree | d3ae998f9876c72a83a022805103a92111852b21 /mm/swapfile.c | |
| parent | e9ba9698187ddbc0c5bfcf41de0349a662d23d02 (diff) | |
| download | linux-stable-529ae9aaa08378cfe2a4350bded76f32cc8ff0ce.tar.gz linux-stable-529ae9aaa08378cfe2a4350bded76f32cc8ff0ce.tar.bz2 linux-stable-529ae9aaa08378cfe2a4350bded76f32cc8ff0ce.zip | |
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.c | 2 |
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; } |