[patch 079/166] mm/mempolicy: add missing annotation for queue_pages_pmd()

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From: Jules Irenge <jbi.octave@xxxxxxxxx>
Subject: mm/mempolicy: add missing annotation for queue_pages_pmd()

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)

Link: http://lkml.kernel.org/r/20200214204741.94112-8-jbi.octave@xxxxxxxxx
Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/mempolicy.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/mempolicy.c~mm-mempolicy-add-missing-annotation-for-queue_pages_pmd
+++ a/mm/mempolicy.c
@@ -442,6 +442,7 @@ static inline bool queue_pages_required(
  */
 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;
_




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