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) Signed-off-by: Jules Irenge <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
ambv · Apr 7, 2020 · 959a7e1 · 959a7e1
1 parent 1b2a1e7
commit 959a7e1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
@@ -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;