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mm/mempolicy: add missing annotation for queue_pages_pmd()

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Sparse reports a warning at queue_pages_pmd()

context imbalance in queue_pages_pmd() - unexpected unlock

The root cause is the missing annotation at queue_pages_pmd()
Add the missing __releases(ptl)

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200214204741.94112-8-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jules Irenge 2020-04-06 20:08:12 -07:00 committed by Linus Torvalds
parent 1b2a1e7bb9
commit 959a7e136d
1 changed files with 1 additions and 0 deletions
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mm/mempolicy.c
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@ -442,6 +442,7 @@ static inline bool queue_pages_required(struct page *page,
*/
static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr,
unsigned long end, struct mm_walk *walk)
__releases(ptl)
{
int ret = 0;
struct page *page;