Messages in this thread | | | Date | Fri, 19 Dec 2008 18:40:17 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [bug][mmtom] memcg: MEM_CGROUP_ZSTAT underflow |
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On Fri, 19 Dec 2008 18:29:29 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> + /* > + * Don't clear pc->mem_cgroup because del_from_lru() will see this. > + * The fully unchaged page is assumed to be freed after us, so it's > + * safe. When this page is reused before free, we have to be careful. > + * (In SwapCache case...it can happen.) > + */ > Maybe this is better. == /* * Don't clear pc->mem_cgroup because del_from_lru() may see this. * If this page is fully unchaged, it's assumed to be freed soon,or it * is isolated from LRU. When this page is reused before free * (and on LRU), we have to be careful. * (In SwapCache case...it can happen.) */ == Hmm.
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