linux-kernel - Re: [RFC][PATCH 1/5] mm/slab_common: allow NULL cache pointer in kmem_cache

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Message-ID: <20150806142131.GB4292@swordfish>
Date:	Thu, 6 Aug 2015 23:21:31 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan@...nel.org>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Michal Hocko <mhocko@...e.cz>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [RFC][PATCH 1/5] mm/slab_common: allow NULL cache pointer in
 kmem_cache_destroy()

On (06/19/15 08:50), Julia Lawall wrote:
> On Thu, 18 Jun 2015, Sergey Senozhatsky wrote:
> 
> > On (06/17/15 16:14), David Rientjes wrote:
> > [..]
> > > >
> > > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> > > > Reported-by: Andrew Morton <akpm@...ux-foundation.org>
> > > > LKML-reference: https://lkml.org/lkml/2015/6/8/583
> > >
> > > Acked-by: David Rientjes <rientjes@...gle.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.
> 
> I'll refresh it and send it shortly.
> 

I'll re-up this thread.

Julia, do you want to wait until these 3 patches will be merged to
Linus's tree (just to be on a safe side, so someone's tree (out of sync
with linux-next) will not go crazy)?

	-ss
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