Commit 7af4c093 authored Oct 30, 2010 by Jesper Juhl Committed by Tejun Heo Dec 07, 2010

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



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>

parent cf7d7e5a

mm/percpu.c

+2 −6

Original line number	Original line	Diff line number	Diff line
	@@ -293,12 +293,8 @@ static void *pcpu_mem_alloc(size_t size)

	if (size <= PAGE_SIZE)		if (size <= PAGE_SIZE)
	return kzalloc(size, GFP_KERNEL);		return kzalloc(size, GFP_KERNEL);
	else {		else
	void *ptr = vmalloc(size);		return vzalloc(size);
	if (ptr)
	memset(ptr, 0, size);
	return ptr;
	}
	}		}

	/**		/**