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| author | Jules Irenge <jbi.octave@gmail.com> | 2020-04-06 20:08:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-07 10:43:41 -0700 |
| commit | cfc451cfdf1dde36eada652a4b16d9b1524c5932 (patch) | |
| tree | 0d9184d8d9a7b9b80d91b6a1831d95867889f36e /mm | |
| parent | 81aba9e06ba8cc1e2494258bc4b48875af522f32 (diff) | |
| download | lwn-cfc451cfdf1dde36eada652a4b16d9b1524c5932.tar.gz lwn-cfc451cfdf1dde36eada652a4b16d9b1524c5932.zip | |
mm/zsmalloc: add missing annotation for migrate_read_lock()
Sparse reports a warning at migrate_read_lock()()
warning: context imbalance in migrate_read_lock() - wrong count at exit
The root cause is the missing annotation at migrate_read_lock()
Add the missing __acquires(&zspage->lock) annotation
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: http://lkml.kernel.org/r/20200214204741.94112-11-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/zsmalloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 22d17ecfe7df..da70817b4ed8 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1833,7 +1833,7 @@ static void migrate_lock_init(struct zspage *zspage) rwlock_init(&zspage->lock); } -static void migrate_read_lock(struct zspage *zspage) +static void migrate_read_lock(struct zspage *zspage) __acquires(&zspage->lock) { read_lock(&zspage->lock); } |