linux-kernel - Re: [PATCH 8/9] slab: destroy a slab without holding any alien cache lock

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Message-ID: <alpine.DEB.2.10.1402141247590.12887@nuc>
Date:	Fri, 14 Feb 2014 12:48:28 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
cc:	Pekka Enberg <penberg@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Joonsoo Kim <js1304@...il.com>
Subject: Re: [PATCH 8/9] slab: destroy a slab without holding any alien cache
 lock

On Fri, 14 Feb 2014, Joonsoo Kim wrote:

> I haven't heard that this alien cache lock is contended, but to reduce
> chance of contention would be better generally. And with this change,
> we can simplify complex lockdep annotation in slab code.
> In the following patch, it will be implemented.

Ok. Same move as before with the regular freeing.

Acked-by: Christoph Lameter <cl@...ux.com>
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