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

Commit Message

Andrew Morton April 7, 2020, 3:08 a.m. UTC

From: Jules Irenge <[e-mail]>
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/[e-mail]
Signed-off-by: Jules Irenge <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

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

Patch

--- 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;