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Re: [PATCH v2] cgroup: prefer [kv]zalloc[_node] over [kv]malloc+memset in memory controller code. [message #41970 is a reply to message #41969] Thu, 04 November 2010 20:35 Go to previous message
Li Zefan is currently offline  Li Zefan
Messages: 90
Registered: February 2008
Member
> 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@jp.fujitsu.com>
> Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
> Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
> Acked-by: Balbir Singh <balbir@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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