diff options
| author |   Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2020-08-06 23:19:09 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 11:33:23 -0700 |
| commit | b3cb9fc3aeaf9d52967c87d54a98f035e96279dc (patch) | |
| tree | c503cbb2063ed9d78211856bcf6fb16d8f6d2fcf /mm/slub.c | |
| parent | mm, slab/slub: improve error reporting and overhead of cache_from_obj() (diff) | |
| download | linux-dev-b3cb9fc3aeaf9d52967c87d54a98f035e96279dc.tar.xz linux-dev-b3cb9fc3aeaf9d52967c87d54a98f035e96279dc.zip | |
mm/slub.c: drop lockdep_assert_held() from put_map()
There is no point in using lockdep_assert_held() unlock that is about to
be unlocked. It works only with lockdep and lockdep will complain if
spin_unlock() is used on a lock that has not been locked.
Remove superfluous lockdep_assert_held().
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Christopher Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20200618201234.795692-2-bigeasy@linutronix.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c index 629a58b56728..e5fc31c37b37 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -473,8 +473,6 @@ static unsigned long *get_map(struct kmem_cache *s, struct page *page) static void put_map(unsigned long *map) __releases(&object_map_lock) { VM_BUG_ON(map != object_map); - lockdep_assert_held(&object_map_lock); - spin_unlock(&object_map_lock); } |