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mm/zsmalloc: add missing annotation for migrate_read_unlock()

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Sparse reports a warning at migrate_read_unlock()()

 warning: context imbalance in migrate_read_unlock() - unexpected unlock

The root cause is the missing annotation at migrate_read_unlock()
Add the missing __releases(&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/20200214204741.94112-12-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jules Irenge 2020-04-06 20:08:24 -07:00 committed by Linus Torvalds
parent cfc451cfdf
commit 8a374cccee
1 changed files with 1 additions and 1 deletions
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2
mm/zsmalloc.c
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@ -1838,7 +1838,7 @@ static void migrate_read_lock(struct zspage *zspage) __acquires(&zspage->lock)
read_lock(&zspage->lock);
}
static void migrate_read_unlock(struct zspage *zspage)
static void migrate_read_unlock(struct zspage *zspage) __releases(&zspage->lock)
{
read_unlock(&zspage->lock);
}