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percpu: zero memory more efficiently in mm/percpu.c::pcpu_mem_alloc()

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Don't do vmalloc() + memset() when vzalloc() will do.

tj: dropped unnecessary temp variable ptr.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Jesper Juhl 2010-10-30 15:56:54 +02:00 committed by Tejun Heo
parent cf7d7e5a19
commit 7af4c09324
1 changed files with 2 additions and 6 deletions
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mm/percpu.c
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@ -293,12 +293,8 @@ static void *pcpu_mem_alloc(size_t size)
if (size <= PAGE_SIZE)
return kzalloc(size, GFP_KERNEL);
else {
void *ptr = vmalloc(size);
if (ptr)
memset(ptr, 0, size);
return ptr;
}
else
return vzalloc(size);
}
/**