diff options
| author | Miles Chen <[email protected]> | 2017-11-15 17:32:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2017-11-15 18:21:01 -0800 |
| commit | 9f88faee3ff7d6e8b09c9d23b7d4ac0c15a3eae9 (patch) | |
| tree | 829cea5144d580e3fe7f04b2ad9b880ee39b33e9 | |
| parent | 852d8be0ad8511611eff18f28dce11d25195b654 (diff) | |
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/[email protected]
Signed-off-by: Miles Chen <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -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; } |