linux-kernel - Re: [PATCH] slub: Fix calculation of cpu slabs

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Date:	Mon, 14 Oct 2013 15:27:40 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Pekka Enberg <penberg@...nel.org>
CC:	Christoph Lameter <cl@...ux.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH] slub: Fix calculation of cpu slabs

Hi Pekka,

could you pick up this patch?

On 2013/9/11 5:06, Christoph Lameter wrote:
> On Tue, 10 Sep 2013, Li Zefan wrote:
> 
>> We should use page->pages instead of page->pobjects when calculating
>> the number of cpu partial slabs. This also fixes the mapping of slabs
>> and nodes.
> 
> True.
> 
>> As there's no variable storing the number of total/active objects in
>> cpu partial slabs, and we don't have user interfaces requiring those
>> statistics, I just add WARN_ON for those cases.
> 
> 
> Well that is not strictly required but it does not hurt either.
> 
> Acked-by: Christoph Lameter <cl@...ux.com>
> 

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