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

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Message-ID: <0000013d028eec8e-012456de-9b98-4bcb-9427-2fbee58ecc74-000000@email.amazonses.com>
Date:	Fri, 22 Feb 2013 15:39:13 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Glauber Costa <glommer@...allels.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 Fri, 22 Feb 2013, Glauber Costa wrote:

> As I've mentioned in the description, the real bug is from partial slabs
> being temporarily in the cpu_slab during a recent allocation and
> therefore unreachable through the partial list.

The bootstrap code does not use cpu slabs but goes directly to the slab
pages. See early_kmem_cache_node_alloc.

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