From: Christoph Lameter <clameter@sgi.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Martin Bligh <mbligh@mbligh.org>,
Christian Krafft <krafft@de.ibm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 2/2] enables booting a NUMA system where some nodes have no memory
Date: Wed, 15 Nov 2006 16:45:29 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0611151643420.24457@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <200611160126.02016.arnd@arndb.de>
On Thu, 16 Nov 2006, Arnd Bergmann wrote:
> - we want to be able to boot with the 'mem=512M' option, which effectively
> disables the memory on the second node (each node has 512MiB).
> - Each node has 8 SPUs, all of which we want to use. In order to use an
> SPU, we call __add_pages to register the local memory on it, so we have
> struct page pointers we can hand out to user mappings with ->nopage().
This is more like the bringup of a processor right? You need
to have the memory online before the processor is brought up otherwise
the slab cannot properly allocate its structures on the node when the
per node portion is brought up. The page allocator has similar issues.
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next prev parent reply other threads:[~2006-11-16 0:45 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-15 18:30 [patch 0/2] fix bugs while booting on NUMA system where some nodes have no mem Christian Krafft
2006-11-15 18:32 ` [patch 1/2] fix call to alloc_bootmem after bootmem has been freed Christian Krafft
2006-11-21 16:55 ` Andrew Morton
2006-11-21 18:02 ` Christian Krafft
2006-11-21 18:26 ` Andrew Morton
2006-11-22 9:23 ` Arnd Bergmann
2006-11-15 18:34 ` [patch 2/2] enables booting a NUMA system where some nodes have no memory Christian Krafft
2006-11-15 21:24 ` Christoph Lameter
2006-11-15 21:58 ` Jack Steiner
2006-11-15 22:40 ` Christoph Lameter
2006-11-15 22:43 ` Martin Bligh
2006-11-15 22:52 ` Christoph Lameter
2006-11-16 0:54 ` KAMEZAWA Hiroyuki
2006-11-16 0:57 ` Christoph Lameter
2006-11-16 1:17 ` KAMEZAWA Hiroyuki
2006-11-16 15:40 ` Christian Krafft
2006-11-16 15:49 ` Martin J. Bligh
2006-11-16 18:46 ` Christoph Lameter
2006-11-16 2:01 ` Martin Bligh
2006-11-16 1:35 ` Jack Steiner
2006-11-16 1:57 ` Christoph Lameter
2006-11-16 2:09 ` Martin Bligh
2006-11-16 2:35 ` Christoph Lameter
2006-11-16 3:28 ` Jack Steiner
2006-11-15 22:05 ` Martin Bligh
2006-11-15 22:41 ` Christoph Lameter
2006-11-15 22:46 ` Martin Bligh
2006-11-15 22:51 ` Christoph Lameter
2006-11-16 0:59 ` KAMEZAWA Hiroyuki
2006-11-16 1:22 ` Yasunori Goto
2006-11-16 0:26 ` Arnd Bergmann
2006-11-16 0:45 ` Christoph Lameter [this message]
2006-11-16 13:08 ` Arnd Bergmann
2006-11-16 0:44 ` Jesper Juhl
2006-11-16 0:46 ` Christoph Lameter
2006-11-16 15:21 ` Lee Schermerhorn
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