From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>, linux-kernel@vger.kernel.org
Subject: Re: [patch] slub: default min_partial to at least highest cpus per node
Date: Tue, 07 Apr 2009 23:48:31 +0300 [thread overview]
Message-ID: <49DBBC1F.6000407@cs.helsinki.fi> (raw)
In-Reply-To: <alpine.DEB.1.10.0904071641390.12192@qirst.com>
Christoph Lameter wrote:
> I am not sure about the benefit of this. If the page allocator finally
> improves in performance then we can reduce the mininum number of partial
> slabs kept and also do pass through for all sizes >2k.
Sure, we can do that, but it still makes sense to adjust the partial
list sizes based on per-node CPU count. So I'm inclined to apply the
patch I suggested if it shows performance gains on one or more of the
relevant benchmarks (sysbench, tbench, hackbench, netperf, etc.).
next prev parent reply other threads:[~2009-04-07 20:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-06 0:52 [patch] slub: default min_partial to at least highest cpus per node David Rientjes
2009-04-07 18:58 ` Pekka Enberg
2009-04-07 19:09 ` Pekka Enberg
2009-04-07 19:44 ` David Rientjes
2009-04-07 19:54 ` Pekka Enberg
2009-04-07 20:09 ` David Rientjes
2009-04-07 20:11 ` Pekka Enberg
2009-04-07 20:22 ` David Rientjes
2009-04-07 20:35 ` Pekka Enberg
2009-04-07 20:43 ` Christoph Lameter
2009-04-07 20:48 ` Pekka Enberg [this message]
2009-04-07 21:31 ` Christoph Lameter
2009-04-07 21:46 ` David Rientjes
2009-04-07 21:48 ` Christoph Lameter
2009-04-07 22:03 ` David Rientjes
2009-04-13 18:07 ` Christoph Lameter
2009-04-07 22:01 ` David Rientjes
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