From: Andi Kleen <ak@suse.de>
To: Paul Jackson <pj@sgi.com>
Cc: Andi Kleen <ak@suse.de>,
raybry@sgi.com, ak@muc.de, raybry@austin.rr.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC 2.6.11-rc2-mm2 0/7] mm: manual page migration -- overview II
Date: Sun, 20 Feb 2005 23:35:10 +0100 [thread overview]
Message-ID: <20050220223510.GB14486@wotan.suse.de> (raw)
In-Reply-To: <20050220143023.3d64252b.pj@sgi.com>
> Do you have any better way to suggest, Andi, for a batch manager to
> relocate a job? The typical scenario, as Ray explained it to me, is
- Give the shared libraries and any other files a suitable policy
(by mapping them and applying mbind)
- Then execute migrate_pages() for the anonymous pages with a suitable
old node -> new node mapping.
> How would you recommend that the batch manager move that job to the
> nodes that can run it? The layout of allocated memory pages and tasks
> for that job must be preserved in order to keep the same performance.
> The migration method needs to scale to hundreds, or more, of nodes.
You have to walk to full node mapping for each array, but
even with hundreds of nodes that should not be that costly
(in the worst case you could create a small hash table for it
in the kernel, but I'm not sure it's worth it)
-Andi
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next prev parent reply other threads:[~2005-02-20 22:35 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-12 3:25 [RFC 2.6.11-rc2-mm2 0/7] mm: manual page migration -- overview Ray Bryant
2005-02-12 3:25 ` [RFC 2.6.11-rc2-mm2 1/7] mm: manual page migration -- cleanup 1 Ray Bryant
2005-02-12 3:25 ` [RFC 2.6.11-rc2-mm2 2/7] mm: manual page migration -- cleanup 2 Ray Bryant
2005-02-12 3:25 ` [RFC 2.6.11-rc2-mm2 3/7] mm: manual page migration -- cleanup 3 Ray Bryant
2005-02-12 3:26 ` [RFC 2.6.11-rc2-mm2 4/7] mm: manual page migration -- cleanup 4 Ray Bryant
2005-02-12 3:26 ` [RFC 2.6.11-rc2-mm2 5/7] mm: manual page migration -- cleanup 5 Ray Bryant
2005-02-12 3:26 ` [RFC 2.6.11-rc2-mm2 6/7] mm: manual page migration -- add node_map arg to try_to_migrate_pages() Ray Bryant
2005-02-12 3:26 ` [RFC 2.6.11-rc2-mm2 7/7] mm: manual page migration -- sys_page_migrate Ray Bryant
2005-02-12 8:08 ` Paul Jackson
2005-02-12 12:34 ` Arjan van de Ven
2005-02-12 14:48 ` Andi Kleen
2005-02-12 20:51 ` Paul Jackson
2005-02-12 21:04 ` Dave Hansen
2005-02-12 21:44 ` Paul Jackson
2005-02-14 13:52 ` Robin Holt
2005-02-14 18:50 ` Dave Hansen
2005-02-14 22:01 ` Robin Holt
2005-02-14 22:22 ` Dave Hansen
2005-02-15 10:50 ` Robin Holt
2005-02-15 15:38 ` Paul Jackson
2005-02-15 18:39 ` Dave Hansen
2005-02-15 18:54 ` Ray Bryant
2005-02-15 15:49 ` Paul Jackson
2005-02-15 16:21 ` Robin Holt
2005-02-15 16:35 ` Paul Jackson
2005-02-15 18:59 ` Robin Holt
2005-02-15 20:54 ` Dave Hansen
2005-02-15 21:58 ` Peter Chubb
2005-02-15 22:10 ` Paul Jackson
2005-02-15 22:51 ` Robin Holt
2005-02-15 23:00 ` Paul Jackson
2005-02-15 23:21 ` Ray Bryant
2005-02-15 23:51 ` Martin J. Bligh
2005-02-16 0:38 ` Ray Bryant
2005-02-16 0:44 ` Andi Kleen
2005-02-16 0:54 ` Martin J. Bligh
2005-02-16 10:02 ` Andi Kleen
2005-02-16 15:21 ` Martin J. Bligh
2005-02-16 15:49 ` Paul Jackson
2005-02-16 16:08 ` Andi Kleen
2005-02-16 16:55 ` Martin J. Bligh
2005-02-16 23:35 ` Ray Bryant
2005-02-16 0:50 ` Martin J. Bligh
2005-02-15 15:40 ` Paul Jackson
2005-02-12 11:17 ` [RFC 2.6.11-rc2-mm2 0/7] mm: manual page migration -- overview Andi Kleen
2005-02-12 12:12 ` Robin Holt
2005-02-14 19:18 ` Andi Kleen
2005-02-15 1:02 ` Steve Longerbeam
2005-02-12 15:54 ` Marcelo Tosatti
2005-02-12 16:18 ` Marcelo Tosatti
2005-02-12 21:29 ` Andi Kleen
2005-02-14 16:38 ` Robin Holt
2005-02-14 19:15 ` Andi Kleen
2005-02-14 23:49 ` Ray Bryant
2005-02-15 3:16 ` Paul Jackson
2005-02-15 9:14 ` Ray Bryant
2005-02-15 15:21 ` Paul Jackson
2005-02-15 0:29 ` Ray Bryant
2005-02-15 11:05 ` Robin Holt
2005-02-15 17:44 ` Ray Bryant
2005-02-15 11:53 ` Andi Kleen
2005-02-15 12:15 ` Robin Holt
2005-02-15 15:07 ` Paul Jackson
2005-02-15 15:11 ` Paul Jackson
2005-02-15 18:16 ` Ray Bryant
2005-02-15 18:24 ` Andi Kleen
2005-02-15 12:14 ` [RFC 2.6.11-rc2-mm2 0/7] mm: manual page migration -- overview II Andi Kleen
2005-02-15 18:38 ` Ray Bryant
2005-02-15 21:48 ` Andi Kleen
2005-02-15 22:37 ` Paul Jackson
2005-02-16 3:44 ` Ray Bryant
2005-02-17 23:54 ` Andi Kleen
2005-02-18 8:38 ` Ray Bryant
2005-02-18 13:02 ` Andi Kleen
2005-02-18 16:18 ` Paul Jackson
2005-02-18 16:20 ` Paul Jackson
2005-02-18 16:22 ` Paul Jackson
2005-02-18 16:25 ` Paul Jackson
2005-02-19 1:01 ` Ray Bryant
2005-02-20 21:49 ` Andi Kleen
2005-02-20 22:30 ` Paul Jackson
2005-02-20 22:35 ` Andi Kleen [this message]
2005-02-21 1:50 ` Paul Jackson
2005-02-21 7:39 ` Ray Bryant
2005-02-21 7:29 ` Ray Bryant
2005-02-21 9:57 ` Andi Kleen
2005-02-21 12:02 ` Paul Jackson
2005-02-21 8:42 ` Ray Bryant
2005-02-21 12:10 ` Andi Kleen
2005-02-21 17:12 ` Ray Bryant
2005-02-22 18:03 ` Andi Kleen
2005-02-23 3:33 ` Ray Bryant
2005-02-22 6:40 ` Ray Bryant
2005-02-22 18:01 ` Andi Kleen
2005-02-22 18:45 ` Ray Bryant
2005-02-22 18:49 ` Andi Kleen
2005-02-26 18:22 ` Ray Bryant
2005-02-22 22:04 ` Ray Bryant
2005-02-22 6:44 ` Ray Bryant
2005-02-21 4:20 ` Ray Bryant
2005-02-18 16:58 ` Ray Bryant
2005-02-18 17:02 ` Ray Bryant
2005-02-18 17:11 ` Ray Bryant
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