From: Christoph Lameter <clameter@sgi.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
linux-kernel@vger.kernel.org, Linux MM <linux-mm@kvack.org>
Subject: Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds)
Date: Wed, 24 Oct 2007 09:56:42 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0710240955480.26202@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <84144f020710231341p189435b1y5514e5be981b9b1c@mail.gmail.com>
On Tue, 23 Oct 2007, Pekka Enberg wrote:
> Yeah, but we're _not failing_ when debugging is enabled. Thus, it's
> likely, that the _failing_ (non-debug) case has potential for more
> order 0 allocs, no? I am just guessing here but maybe it's
> slab_order() behaving differently from calculate_slab_order() so that
> we see more order 0 pressure in SLUB than SLAB?
Seesm that order 0 pressure is better than order 1?
prev parent reply other threads:[~2007-10-24 17:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-23 18:16 Alexey Dobriyan
2007-10-23 19:35 ` Christoph Lameter
2007-10-23 19:48 ` Pekka Enberg
2007-10-23 19:57 ` Christoph Lameter
2007-10-24 8:09 ` Mel Gorman
2007-10-24 19:28 ` Alexey Dobriyan
2007-10-25 2:15 ` Christoph Lameter
2007-10-25 2:34 ` Nick Piggin
2007-10-25 2:43 ` Christoph Lameter
2007-10-25 3:06 ` Nick Piggin
2007-10-23 20:04 ` Pekka Enberg
2007-10-23 20:09 ` Christoph Lameter
2007-10-23 20:41 ` Pekka Enberg
2007-10-24 16:56 ` Christoph Lameter [this message]
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