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Subject: Re: [PATCH] slub Discard slab page only when node partials >
 minimum setting
From: "Alex,Shi" <alex.shi@intel.com>
To: Christoph Lameter <christoph@lameter.com>
Cc: Christoph Lameter <cl@linux.com>,
        "penberg@kernel.org" <penberg@kernel.org>,
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        "Huang, Ying" <ying.huang@intel.com>,
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Date: Thu, 15 Sep 2011 10:00:31 +0800
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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@intel.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?
>         
>         
>         
>         
>