From: Christoph Lameter <clameter@sgi.com>
To: Pekka J Enberg <penberg@cs.helsinki.fi>
Cc: lee.schermerhorn@hp.com, Olaf Hering <olaf@aepfle.de>,
Linux MM <linux-mm@kvack.org>, Mel Gorman <mel@csn.ul.ie>,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
hanth Aravamudan <nacc@us.ibm.com>,
akpm@linux-foundation.org,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH] Fix boot problem in situations where the boot CPU is running on a memoryless node
Date: Wed, 23 Jan 2008 10:35:32 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0801231034110.11430@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0801231611160.20050@sbz-30.cs.Helsinki.FI>
On Wed, 23 Jan 2008, Pekka J Enberg wrote:
> I still think Christoph's kmem_getpages() patch is correct (to fix
> cache_grow() oops) but I overlooked the fact that none the callers of
> ____cache_alloc_node() deal with bootstrapping (with the exception of
> __cache_alloc_node() that even has a comment about it).
My patch is useless. kmem_getpages called with nodeid == -1 falls back
correctly to the available node. The problem is that the node structures
for the page does not exist.
> But what I am really wondering about is, why wasn't the
> N_NORMAL_MEMORY revert enough? I assume this used to work before so what
> more do we need to revert for 2.6.24?
I think that is because SLUB relaxed the requirements on having regular
memory on the boot node. Now the expectation is that SLAB can do the same.
next prev parent reply other threads:[~2008-01-23 18:35 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-15 15:09 crash in kmem_cache_init Olaf Hering
2008-01-15 15:58 ` Olaf Hering
2008-01-17 12:14 ` Pekka Enberg
2008-01-17 14:30 ` Christoph Lameter
2008-01-17 18:12 ` Olaf Hering
2008-01-17 18:58 ` Christoph Lameter
2008-01-17 19:54 ` Olaf Hering
2008-01-17 20:20 ` Olaf Hering
2008-01-19 4:56 ` Christoph Lameter
2008-01-17 21:15 ` Olaf Hering
2008-01-18 6:56 ` Olaf Hering
2008-01-18 18:42 ` Christoph Lameter
2008-01-19 4:55 ` Christoph Lameter
2008-01-18 18:47 ` Christoph Lameter
2008-01-18 21:30 ` Mel Gorman
2008-01-18 21:43 ` Christoph Lameter
2008-01-18 22:16 ` Christoph Lameter
2008-01-18 22:19 ` Nish Aravamudan
2008-01-18 22:38 ` Christoph Lameter
2008-01-18 22:57 ` Olaf Hering
2008-01-22 19:54 ` Mel Gorman
2008-01-22 20:11 ` Christoph Lameter
2008-01-22 21:26 ` Mel Gorman
2008-01-22 21:34 ` Christoph Lameter
2008-01-22 22:50 ` Mel Gorman
2008-01-22 22:57 ` Christoph Lameter
2008-01-22 23:10 ` Mel Gorman
2008-01-22 23:14 ` Christoph Lameter
2008-01-22 22:59 ` Pekka Enberg
2008-01-22 23:12 ` Christoph Lameter
2008-01-22 23:18 ` Christoph Lameter
2008-01-23 8:19 ` Pekka Enberg
2008-01-23 8:40 ` Olaf Hering
2008-01-22 21:45 ` Olaf Hering
2008-01-22 22:12 ` Nish Aravamudan
2008-01-22 22:23 ` Christoph Lameter
2008-01-23 7:58 ` Olaf Hering
2008-01-23 10:50 ` Mel Gorman
2008-01-23 12:14 ` Olaf Hering
2008-01-23 12:52 ` Olaf Hering
2008-01-23 13:55 ` [PATCH] Fix boot problem in situations where the boot CPU is running on a memoryless node Mel Gorman
2008-01-23 14:18 ` Pekka J Enberg
2008-01-23 14:32 ` Pekka J Enberg
2008-01-23 14:49 ` Pekka J Enberg
2008-01-23 15:56 ` Mel Gorman
2008-01-23 17:29 ` Pekka J Enberg
2008-01-23 17:42 ` Pekka J Enberg
2008-01-23 18:51 ` Christoph Lameter
2008-01-23 19:52 ` Nishanth Aravamudan
2008-01-23 21:02 ` Pekka Enberg
2008-01-23 21:14 ` Christoph Lameter
2008-01-23 21:36 ` Nishanth Aravamudan
2008-01-24 3:13 ` Christoph Lameter
2008-01-23 18:36 ` Christoph Lameter
2008-01-23 18:35 ` Christoph Lameter [this message]
2008-01-23 14:27 ` Olaf Hering
2008-01-23 14:42 ` Mel Gorman
2008-01-23 18:41 ` Christoph Lameter
2008-01-23 13:41 ` crash in kmem_cache_init Mel Gorman
2008-01-18 18:51 ` Christoph Lameter
2008-01-17 19:03 ` Christoph Lameter
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