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| author | Miles Chen <miles.chen@mediatek.com> | 2017-11-16 02:32:10 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-16 03:21:01 +0100 |
| commit | 9f88faee3ff7d6e8b09c9d23b7d4ac0c15a3eae9 (patch) | |
| tree | 829cea5144d580e3fe7f04b2ad9b880ee39b33e9 /mm/slob.c | |
| parent | mm: oom: show unreclaimable slab info when unreclaimable slabs > user memory (diff) | |
| download | linux-9f88faee3ff7d6e8b09c9d23b7d4ac0c15a3eae9.tar.xz linux-9f88faee3ff7d6e8b09c9d23b7d4ac0c15a3eae9.zip | |
mm/slob.c: remove an unnecessary check for __GFP_ZERO
Current flow guarantees a valid pointer when handling the __GFP_ZERO
case. So remove the unnecessary NULL pointer check.
Link: http://lkml.kernel.org/r/1507203141-11959-1-git-send-email-miles.chen@mediatek.com
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slob.c')
| -rw-r--r-- | mm/slob.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/slob.c b/mm/slob.c index 10249160b693..3451ecad8e35 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -330,7 +330,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) BUG_ON(!b); spin_unlock_irqrestore(&slob_lock, flags); } - if (unlikely((gfp & __GFP_ZERO) && b)) + if (unlikely(gfp & __GFP_ZERO)) memset(b, 0, size); return b; } |