Messages in this thread Patch in this message | | | From | Rasmus Villemoes <> | Subject | [PATCH] mm: percpu: micro-optimize round-to-even | Date | Thu, 19 Jun 2014 12:02:29 +0200 |
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This change shaves a few bytes off the generated code.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> --- mm/percpu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/percpu.c b/mm/percpu.c index 2ddf9a9..978097f 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -720,8 +720,7 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved) if (unlikely(align < 2)) align = 2; - if (unlikely(size & 1)) - size++; + size += size & 1; if (unlikely(!size || size > PCPU_MIN_UNIT_SIZE || align > PAGE_SIZE)) { WARN(true, "illegal size (%zu) or align (%zu) for " -- 1.9.2
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