linux-kernel - Re: [patch] slub: default min_partial to at least highest cpus per node

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Message-ID: <alpine.DEB.1.10.0904131407370.13756@qirst.com>
Date:	Mon, 13 Apr 2009 14:07:58 -0400 (EDT)
From:	Christoph Lameter <cl@...ux.com>
To:	David Rientjes <rientjes@...gle.com>
cc:	Pekka Enberg <penberg@...helsinki.fi>, linux-kernel@...r.kernel.org
Subject: Re: [patch] slub: default min_partial to at least highest cpus per
  node

On Tue, 7 Apr 2009, David Rientjes wrote:

> The page allocator may be getting significantly faster, but that is _not_
> the only reason why we use partial slabs.  Higher order slabs, such as the
> default for kmalloc-2048, kmalloc-4096, etc., increase the liklihood of
> having cpu slabs at that order as opposed to order fallback with a
> sufficiently long uptime.

kmalloc-4096 will go away with a faster page allocator.

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