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mm/slob.c: remove an unnecessary check for __GFP_ZERO

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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]>
This commit is contained in:
Miles Chen 2017-11-15 17:32:10 -08:00 • committed by Linus Torvalds
commit 9f88faee3f
1 changed files with 1 additions and 1 deletions
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2
mm/slob.c
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@ -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;
}