From: Matt Mackall <mpm@selenic.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: Christoph Lameter <cl@linux.com>,
Eric Dumazet <eric.dumazet@gmail.com>,
Mel Gorman <mgorman@suse.de>,
Konstantin Khlebnikov <khlebnikov@openvz.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm-slab: allocate kmem_cache with __GFP_REPEAT
Date: Wed, 20 Jul 2011 13:07:04 -0500 [thread overview]
Message-ID: <1311185224.14555.43.camel@calx> (raw)
In-Reply-To: <alpine.DEB.2.00.1107202040240.2847@tiger>
On Wed, 2011-07-20 at 20:41 +0300, Pekka Enberg wrote:
> On Wed, 20 Jul 2011, Pekka Enberg wrote:
> >> On Wed, 20 Jul 2011, Eric Dumazet wrote:
> >>>> [PATCH v2] slab: shrinks sizeof(struct kmem_cache)
> >>
> >> On Wed, 20 Jul 2011, Christoph Lameter wrote:
> >>> This will solve the issue for small nr_cpu_ids but those with 4k cpus will
> >>> still have the issue.
> >>>
> >>> Acked-by: Christoph Lameter <cl@linux.com>
> >>
> >> Applied, thanks! Do we still want the __GFP_REPEAT patch from Konstantin
> >> though?
>
> On Wed, 20 Jul 2011, Christoph Lameter wrote:
> > Those with 4k cpus will be thankful I guess.
>
> OTOH, I'm slightly worried that it might mask a real problem
> with GFP_KERNEL not being aggressive enough. Mel?
I think that's already been demonstrated here, yes. It's just waiting
for another obscure workload to trigger it.
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next prev parent reply other threads:[~2011-07-20 18:07 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-20 12:16 Konstantin Khlebnikov
2011-07-20 13:14 ` Pekka Enberg
2011-07-20 13:28 ` Konstantin Khlebnikov
2011-07-20 13:42 ` Pekka Enberg
2011-07-20 13:50 ` Konstantin Khlebnikov
2011-07-20 13:53 ` Pekka Enberg
2011-07-20 15:36 ` Christoph Lameter
2011-07-20 13:59 ` Konstantin Khlebnikov
2011-07-20 13:54 ` Christoph Lameter
2011-07-20 14:20 ` Mel Gorman
2011-07-20 14:32 ` Konstantin Khlebnikov
2011-07-20 14:40 ` Eric Dumazet
2011-07-20 14:47 ` Konstantin Khlebnikov
2011-07-20 13:43 ` Mel Gorman
2011-07-20 13:56 ` Christoph Lameter
2011-07-20 14:08 ` Eric Dumazet
2011-07-20 14:52 ` Christoph Lameter
2011-07-20 15:09 ` Eric Dumazet
2011-07-20 15:34 ` Christoph Lameter
2011-07-20 15:56 ` Eric Dumazet
2011-07-20 16:17 ` Christoph Lameter
2011-07-20 16:31 ` Eric Dumazet
2011-07-20 17:04 ` Eric Dumazet
2011-07-20 17:13 ` Christoph Lameter
2011-07-20 17:28 ` Pekka Enberg
2011-07-20 17:37 ` Christoph Lameter
2011-07-20 17:41 ` Pekka Enberg
2011-07-20 18:07 ` Matt Mackall [this message]
2011-07-21 7:18 ` Konstantin Khlebnikov
2011-07-20 19:09 ` Mel Gorman
2011-07-31 11:41 ` Konstantin Khlebnikov
2011-07-31 11:44 ` Pekka Enberg
2011-07-21 8:43 ` Eric Dumazet
2011-07-21 15:27 ` Christoph Lameter
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