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Date: Fri, 28 Jan 2011 14:36:54 +0900 From: Daisuke Nishimura <nishimura@....nes.nec.co.jp> To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Cc: "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "hannes@...xchg.org" <hannes@...xchg.org>, "balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>, Daisuke Nishimura <nishimura@....nes.nec.co.jp> Subject: Re: [BUGFIX][PATCH 1/4] memcg: fix limit estimation at reclaim for hugepage On Fri, 28 Jan 2011 13:58:39 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote: > How about this ? > == > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> > > Current memory cgroup's code tends to assume page_size == PAGE_SIZE > and arrangement for THP is not enough yet. > > This is one of fixes for supporing THP. This adds > mem_cgroup_check_margin() and checks whether there are required amount of > free resource after memory reclaim. By this, THP page allocation > can know whether it really succeeded or not and avoid infinite-loop > and hangup. > > Total fixes for do_charge()/reclaim memory will follow this patch. > > Changelog v1->v2: > - style fix. > > Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Acked-by: Daisuke Nishimura <nishimura@....nes.nec.co.jp> Thanks, Daisuke Nishimura. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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