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Date: Sat, 20 Jun 2015 18:25:33 +0200 (CEST)
From: Julia Lawall <julia.lawall@lip6.fr>
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To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
cc: David Rientjes <rientjes@google.com>, Julia Lawall <julia.lawall@lip6.fr>,
        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>
Subject: Re: [RFC][PATCH 1/5] mm/slab_common: allow NULL cache pointer in
 kmem_cache_destroy()
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On Thu, 18 Jun 2015, Sergey Senozhatsky 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.

julia
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