linux-kernel - Re: [PATCH] slub: correctly bootstrap boot caches

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Date:	Fri, 22 Feb 2013 20:11:56 +0400
From:	Glauber Costa <glommer@...allels.com>
To:	Christoph Lameter <cl@...ux.com>
CC:	<linux-mm@...ck.org>, <cgroups@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>, Pekka Enberg <penberg@...nel.org>,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH] slub: correctly bootstrap boot caches

On 02/22/2013 08:10 PM, Christoph Lameter wrote:
> kmem_cache_node creation runs before PARTIAL and kmem_cache runs
> after. So there would be 2 kmem_cache_node structures allocated. Ok so
> that would use cpu slabs and therefore remove pages from the partial list.
> Pushing that back using the flushing should fix this. But I thought there
> was already code that went through the cpu slabs to address this?

not in bootstrap(), which is quite primitive. (and should remain so)

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