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Date: Thu, 15 Sep 2011 10:00:31 +0800 From: "Alex,Shi" <alex.shi@...el.com> To: Christoph Lameter <christoph@...eter.com> Cc: Christoph Lameter <cl@...ux.com>, "penberg@...nel.org" <penberg@...nel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Huang, Ying" <ying.huang@...el.com>, "Li, Shaohua" <shaohua.li@...el.com>, "Chen, Tim C" <tim.c.chen@...el.com>, "linux-mm@...ck.org" <linux-mm@...ck.org> Subject: Re: [PATCH] slub Discard slab page only when node partials > minimum setting On Thu, 2011-09-15 at 09:51 +0800, Christoph Lameter wrote: > I have not had time to get into this. I was hoping you could come up > with something. Thanks! Um, let me have some try. > > On Wed, Sep 14, 2011 at 8:32 PM, Alex,Shi <alex.shi@...el.com> wrote: > On Tue, 2011-09-13 at 23:04 +0800, Christoph Lameter wrote: > > Sorry to be that late with a response but my email setup is > screwed > > up. > > > > I was more thinking about the number of slab pages in the > partial > > caches rather than the size of the objects itself being an > issue. I > > believe that was /sys/kernel/slab/*/cpu_partial. > > > > That setting could be tuned further before merging. An > increase there > > causes additional memory to be caught in the partial list. > But it > > reduces the node lock pressure further. > > > > > Yeah, I think so. The more cpu partial page, the quicker to > getting > slabs. Maybe it's better to considerate the system memory size > to set > them. Do you has some plan or suggestions on tunning? > > > > > -- 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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