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SubjectRe: [PATCH 1/6] atomic page_cgroup flags
* KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> [2008-10-01 16:55:13]:

> This patch makes page_cgroup->flags to be atomic_ops and define
> functions (and macros) to access it.
>
> Before trying to modify memory resource controller, this atomic operation
> on flags is necessary. Most of flags in this patch is for LRU and modfied
> under mz->lru_lock but we'll add another flags which is not for LRU soon.
> (lock_page_cgroup() will use LOCK bit on page_cgroup->flags)
> So we use atomic version here.
>

Seems quite straightforward

Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
--
Balbir


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