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; _
