Messages in this thread Patch in this message | | | Date | Thu, 19 Jun 2014 09:59:18 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH] mm: percpu: micro-optimize round-to-even |
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On Thu, 19 Jun 2014, Tejun Heo wrote:
> Indeed, a patch?
Subject: percpu: Use ALIGN macro instead of hand coding alignment calculation
Signed-off-by: Christoph Lameter <cl@linux.com>
Index: linux/mm/percpu.c =================================================================== --- linux.orig/mm/percpu.c 2014-06-04 13:43:12.541466633 -0500 +++ linux/mm/percpu.c 2014-06-19 09:56:10.458023912 -0500 @@ -720,8 +720,7 @@ static void __percpu *pcpu_alloc(size_t if (unlikely(align < 2)) align = 2;
- if (unlikely(size & 1)) - size++; + size = ALIGN(size, 2);
if (unlikely(!size || size > PCPU_MIN_UNIT_SIZE || align > PAGE_SIZE)) { WARN(true, "illegal size (%zu) or align (%zu) for "
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