+ mm-slub-add-missing-annotation-for-get_map.patch added to -mm tree

+ mm-slub-add-missing-annotation-for-get_map.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm/slub: add missing annotation for get_map()
has been added to the -mm tree.  Its filename is
     mm-slub-add-missing-annotation-for-get_map.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-slub-add-missing-annotation-for-get_map.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-slub-add-missing-annotation-for-get_map.patch

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------------------------------------------------------
From: Jules Irenge <jbi.octave@gmail.com>
Subject: mm/slub: add missing annotation for get_map()

Sparse reports a warning at get_map()()

 warning: context imbalance in get_map() - wrong count at exit

The root cause is the missing annotation at get_map()
Add the missing __acquires(&object_map_lock) annotation

Link: http://lkml.kernel.org/r/20200214204741.94112-9-jbi.octave@gmail.com
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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

--- a/mm/slub.c~mm-slub-add-missing-annotation-for-get_map
+++ a/mm/slub.c
@@ -449,6 +449,7 @@ static DEFINE_SPINLOCK(object_map_lock);
  * not vanish from under us.
  */
 static unsigned long *get_map(struct kmem_cache *s, struct page *page)
+	__acquires(&object_map_lock)
 {
 	void *p;
 	void *addr = page_address(page);
_

Patches currently in -mm which might be from jbi.octave@gmail.com 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