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Date: Wed, 23 May 2012 00:44:55 +0900
Message-ID: <CAAmzW4NUKsij1zkGWJwOX7DmWcfFZuWyMOLHyYp6vsvbmu-g0w@mail.gmail.com>
Subject: Re: [RFC] Common code 06/12] slabs: Use a common mutex definition
From: JoonSoo Kim <js1304@gmail.com>
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To: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>, linux-mm@kvack.org, David Rientjes <rientjes@google.com>, Matt Mackall <mpm@selenic.com>, Glauber Costa <glommer@parallels.com>, Alex Shi <alex.shi@intel.com>

2012/5/19 Christoph Lameter <cl@linux.com>:
> Use the mutex definition from SLAB and make it the common way to take a sleeping lock.
>
> This has the effect of using a mutex instead of a rw semaphore for SLUB.
>
> SLOB gains the use of a mutex for kmem_cache_create serialization.
> Not needed now but SLOB may acquire some more features later (like slabinfo
> / sysfs support) through the expansion of the common code that will
> need this.
>
> Reviewed-by: Glauber Costa <glommer@parallels.com>
> Signed-off-by: Christoph Lameter <cl@linux.com>
Reviewed-by: Joonsoo Kim <js1304@gmail.com>

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