From: Christoph Lameter <clameter@sgi.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Thomas Graf <tgraf@suug.ch>, David Miller <davem@davemloft.net>,
Andrew Morton <akpm@linux-foundation.org>,
Daniel Phillips <phillips@google.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Matt Mackall <mpm@selenic.com>
Subject: Re: [PATCH 0/5] make slab gfp fair
Date: Thu, 17 May 2007 10:29:06 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0705171027390.17245@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <1179385718.27354.17.camel@twins>
On Thu, 17 May 2007, Peter Zijlstra wrote:
> I'm really not seeing why you're making such a fuzz about it; normally
> when you push the system this hard we're failing allocations left right
> and center too. Its just that the block IO path has some mempools which
> allow it to write out some (swap) pages and slowly get back to sanity.
I am weirdly confused by these patches. Among other things you told me
that the performance does not matter since its never (or rarely) being
used (why do it then?). Then we do these strange swizzles with reserve
slabs that may contain an indeterminate amount of objects.
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next prev parent reply other threads:[~2007-05-17 17:29 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-14 13:19 Peter Zijlstra
2007-05-14 13:19 ` [PATCH 1/5] mm: page allocation rank Peter Zijlstra
2007-05-14 13:19 ` [PATCH 2/5] mm: slab allocation fairness Peter Zijlstra
2007-05-14 15:51 ` Christoph Lameter
2007-05-14 13:19 ` [PATCH 3/5] mm: slub " Peter Zijlstra
2007-05-14 15:49 ` Christoph Lameter
2007-05-14 16:14 ` Peter Zijlstra
2007-05-14 16:35 ` Christoph Lameter
2007-05-14 13:19 ` [PATCH 4/5] mm: slob " Peter Zijlstra
2007-05-14 13:19 ` [PATCH 5/5] mm: allow mempool to fall back to memalloc reserves Peter Zijlstra
2007-05-14 15:53 ` [PATCH 0/5] make slab gfp fair Christoph Lameter
2007-05-14 16:10 ` Peter Zijlstra
2007-05-14 16:37 ` Christoph Lameter
2007-05-14 16:12 ` Matt Mackall
2007-05-14 16:29 ` Christoph Lameter
2007-05-14 17:40 ` Peter Zijlstra
2007-05-14 17:57 ` Christoph Lameter
2007-05-14 19:28 ` Peter Zijlstra
2007-05-14 19:56 ` Christoph Lameter
2007-05-14 20:03 ` Peter Zijlstra
2007-05-14 20:06 ` Christoph Lameter
2007-05-14 20:12 ` Peter Zijlstra
2007-05-14 20:25 ` Christoph Lameter
2007-05-15 17:27 ` Peter Zijlstra
2007-05-15 22:02 ` Christoph Lameter
2007-05-16 6:59 ` Peter Zijlstra
2007-05-16 18:43 ` Christoph Lameter
2007-05-16 19:25 ` Peter Zijlstra
2007-05-16 19:53 ` Christoph Lameter
2007-05-16 20:18 ` Peter Zijlstra
2007-05-16 20:27 ` Christoph Lameter
2007-05-16 20:40 ` Peter Zijlstra
2007-05-16 20:44 ` Christoph Lameter
2007-05-16 20:54 ` Peter Zijlstra
2007-05-16 20:59 ` Christoph Lameter
2007-05-16 21:04 ` Peter Zijlstra
2007-05-16 21:13 ` Christoph Lameter
2007-05-16 21:20 ` Peter Zijlstra
2007-05-16 21:42 ` Christoph Lameter
2007-05-17 7:28 ` Peter Zijlstra
2007-05-17 17:30 ` Christoph Lameter
2007-05-17 17:53 ` Peter Zijlstra
2007-05-17 18:01 ` Christoph Lameter
2007-05-14 19:44 ` Andrew Morton
2007-05-14 20:01 ` Matt Mackall
2007-05-14 20:05 ` Peter Zijlstra
2007-05-17 3:02 ` Christoph Lameter
2007-05-17 7:08 ` Peter Zijlstra
2007-05-17 17:29 ` Christoph Lameter [this message]
2007-05-17 17:52 ` Peter Zijlstra
2007-05-17 17:59 ` Christoph Lameter
2007-05-17 17:53 ` Matt Mackall
2007-05-17 18:02 ` Christoph Lameter
2007-05-17 19:18 ` Peter Zijlstra
2007-05-17 19:24 ` Christoph Lameter
2007-05-17 21:26 ` Peter Zijlstra
2007-05-17 21:44 ` Paul Jackson
2007-05-17 22:27 ` Christoph Lameter
2007-05-18 9:54 ` Peter Zijlstra
2007-05-18 17:11 ` Paul Jackson
2007-05-18 17:11 ` Christoph Lameter
2007-05-20 8:39 ` Peter Zijlstra
2007-05-21 16:45 ` Christoph Lameter
2007-05-21 19:33 ` Peter Zijlstra
2007-05-21 19:43 ` Christoph Lameter
2007-05-21 20:08 ` Peter Zijlstra
2007-05-21 20:32 ` Christoph Lameter
2007-05-21 20:54 ` Peter Zijlstra
2007-05-21 21:04 ` Christoph Lameter
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