[PATCH v2] cgroup: prefer [kv]zalloc[_node] over [kv]malloc+memset in memory controller code.

Li Zefan lizf.kern at gmail.com
Thu Nov 4 13:35:03 PDT 2010

> In mem_cgroup_alloc() we currently do either kmalloc() or vmalloc() then 
> followed by memset() to zero the memory. This can be more efficiently 
> achieved by using kzalloc() and vzalloc().
> There's also one situation where we can use kzalloc_node() - this is 
> what's new in this version of the patch.
> The original patch was:
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com>
> Reviewed-by: Minchan Kim <minchan.kim at gmail.com>
> Reviewed-by: Wu Fengguang <fengguang.wu at intel.com>
> Acked-by: Balbir Singh <balbir at linux.vnet.ibm.com>
> Here's version 2. I'd appreciate it if someone could merge it, but I don't 
> know who that someone would be.

Normally it's Andrew Morton.

btw, a better title is: [...] memcgroup: prefer ... over ... memset

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