From 81aba9e06ba8cc1e2494258bc4b48875af522f32 Mon Sep 17 00:00:00 2001
From: Jules Irenge <jbi.octave@gmail.com>
Date: Mon, 6 Apr 2020 20:08:18 -0700
Subject: [PATCH] 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
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200214204741.94112-10-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/slub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/slub.c b/mm/slub.c
index c6d603648c791..332d4b459a907 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -466,7 +466,7 @@ static unsigned long *get_map(struct kmem_cache *s, struct page *page)
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);
--
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