[PATCH] cgroup: prefer [kv]zalloc over [kv]malloc+memset in memory controller code.

[Wu Fengguang]

On Mon, Nov 01, 2010 at 08:59:13PM +0100, Jesper Juhl wrote:

> @@ -4169,13 +4169,11 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *mem, int node)
>  	 */
>  	if (!node_state(node, N_NORMAL_MEMORY))
>  		tmp = -1;
> -	pn = kmalloc_node(sizeof(*pn), GFP_KERNEL, tmp);
> +	pn = kmalloc_node(sizeof(*pn), GFP_KERNEL|__GFP_ZERO, tmp);

Use the simpler kzalloc_node()? It's introduced here:

        commit 979b0fea2d9ae5d57237a368d571cbc84655fba6
        Author: Jeff Layton <jlayton at redhat.com>
        Date:   Thu Jun 5 22:47:00 2008 -0700

            vm: add kzalloc_node() inline


Reviewed-by: Wu Fengguang <fengguang.wu at intel.com>

Thanks,
Fengguang