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Date: Thu, 16 Jul 2015 17:26:43 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [RFC][PATCH 1/5] mm/slab_common: allow NULL cache pointer in
 kmem_cache_destroy()
Message-ID: <20150716082643.GA622@swordfish>
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To: Julia Lawall <julia.lawall@lip6.fr>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>, David Rientjes <rientjes@google.com>, Andrew Morton <akpm@linux-foundation.org>, Minchan Kim <minchan@kernel.org>, Christoph Lameter <cl@linux.com>, Pekka Enberg <penberg@kernel.org>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Michal Hocko <mhocko@suse.cz>, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>

On (06/20/15 18:25), Julia Lawall wrote:
> > On (06/17/15 16:14), David Rientjes wrote:
> > [..]
> > > > 
> > > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> > > > Reported-by: Andrew Morton <akpm@linux-foundation.org>
> > > > LKML-reference: https://lkml.org/lkml/2015/6/8/583
> > > 
> > > Acked-by: David Rientjes <rientjes@google.com>
> > > 
> > > kmem_cache_destroy() isn't a fastpath, this is long overdue.  Now where's 
> > > the patch to remove the NULL checks from the callers? ;)
> > > 
> > 
> > Thanks.
> > 
> > Yes, Julia Lawall (Cc'd) already has a patch set ready for submission.
> 
> The patch for making these functions able to tolerate NULL doesn't seem to 
> be in linux-next yet, so I will wait until it appears.

Hello Julia,

The patches are in -next now.

mm/dmapool: 8bf49946ed8fa01a0b5e7d0de94655c072525344
mm/mempool: eb54bc8469e2977bcef4e284d24cbf3578ce9cd9
mm/slab_common: e88672f95907c14cf8ab2cce592c41bbb9cefc5f

	-ss

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