The patch titled Subject: mm/slub: add missing annotation for put_map() has been added to the -mm tree. Its filename is mm-slub-add-missing-annotation-for-put_map.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-slub-add-missing-annotation-for-put_map.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-slub-add-missing-annotation-for-put_map.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Jules Irenge <jbi.octave@xxxxxxxxx> Subject: mm/slub: add missing annotation for put_map() Sparse reports a warning at put_map()() warning: context imbalance in put_map() - unexpected unlock The root cause is the missing annotation at put_map() Add the missing __releases(&object_map_lock) annotation Link: http://lkml.kernel.org/r/20200214204741.94112-10-jbi.octave@xxxxxxxxx Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/slub.c~mm-slub-add-missing-annotation-for-put_map +++ a/mm/slub.c @@ -466,7 +466,7 @@ static unsigned long *get_map(struct kme return object_map; } -static void put_map(unsigned long *map) +static void put_map(unsigned long *map) __releases(&object_map_lock) { VM_BUG_ON(map != object_map); lockdep_assert_held(&object_map_lock); _ Patches currently in -mm which might be from jbi.octave@xxxxxxxxx are ocfs2-add-missing-annotations-for-ocfs2_refcount_cache_lock-and-ocfs2_refcount_cache_unlock.patch mm-memcontrol-add-missing-annotation-for-unlock_page_lru.patch mm-memcontrol-add-missing-annotation-for-lock_page_lru.patch mm-compaction-add-missing-annotation-for-compact_lock_irqsave.patch mm-hugetlb-add-missing-annotation-for-gather_surplus_pages.patch mm-mempolicy-add-missing-annotation-for-queue_pages_pmd.patch mm-slub-add-missing-annotation-for-get_map.patch mm-slub-add-missing-annotation-for-put_map.patch mm-zsmalloc-add-missing-annotation-for-migrate_read_lock.patch mm-zsmalloc-add-missing-annotation-for-migrate_read_unlock.patch mm-zsmalloc-add-missing-annotation-for-pin_tag.patch mm-zsmalloc-add-missing-annotation-for-unpin_tag.patch