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Message-ID: <20090330075246.GA16497@balbir.in.ibm.com> Date: Mon, 30 Mar 2009 13:22:46 +0530 From: Balbir Singh <balbir@...ux.vnet.ibm.com> To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com>, "nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp> Subject: Re: [RFC][PATCH 7/8] memcg soft limit LRU reorder * KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> [2009-03-27 14:12:25]: > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> > > This patch adds a function to change the LRU order of pages in global LRU > under control of memcg's victim of soft limit. > > FILE and ANON victim is divided and LRU rotation will be done independently. > (memcg which only includes FILE cache or ANON can exists.) > > The routine finds specfied number of pages from memcg's LRU and > move it to top of global LRU. They will be the first target of shrink_xxx_list. This seems to be the core of the patch, but I don't like this very much. Moving LRU pages of the mem cgroup seems very subtle, why can't we directly use try_to_free_mem_cgroup_pages()? -- Balbir -- 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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