From: Christoph Lameter <clameter@sgi.com>
To: Paul Menage <menage@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Hugh Dickins <hugh@veritas.com>,
linux-mm@kvack.org, akpm@osdl.org
Subject: Re: [RFC][PATCH 0/1] Node-based reclaim/migration
Date: Fri, 1 Dec 2006 11:56:46 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0612011156100.18846@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <6599ad830612011132i3e70ab38ye3bc8e48f879fea3@mail.gmail.com>
On Fri, 1 Dec 2006, Paul Menage wrote:
>
> I was thinking of a new anon_vma, rather than a new vma - but I guess
> that even if we do race with someone who's faulting on the page and
> pulling it from the swap cache, they'll just set the page mapping to
> the same value as it is already, rather than setting it to a new
> value. So you're right, not a problem.
The page is locked during migration to prevent such occurrences.
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next prev parent reply other threads:[~2006-12-01 19:56 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-29 3:06 menage
2006-11-29 3:06 ` [RFC][PATCH 1/1] Expose per-node reclaim and migration to userspace menage
2006-11-29 6:07 ` Nick Piggin
2006-11-29 21:57 ` Paul Menage
2006-11-30 4:13 ` Christoph Lameter
2006-11-30 4:18 ` Paul Menage
2006-11-30 7:38 ` Nick Piggin
2006-11-30 7:57 ` Paul Menage
2006-11-30 8:26 ` Nick Piggin
2006-11-30 8:39 ` Paul Menage
2006-11-30 8:55 ` Nick Piggin
2006-11-30 9:06 ` Paul Menage
2006-11-30 9:21 ` Nick Piggin
2006-11-30 9:45 ` Paul Menage
2006-11-30 10:15 ` Nick Piggin
2006-11-30 10:40 ` Paul Menage
2006-11-30 11:04 ` Nick Piggin
2006-11-30 11:23 ` Paul Menage
2006-11-30 11:35 ` Nick Piggin
2006-11-30 0:18 ` KAMEZAWA Hiroyuki
2006-11-30 0:25 ` Paul Menage
2006-11-30 0:38 ` KAMEZAWA Hiroyuki
2006-11-30 4:15 ` Christoph Lameter
2006-11-30 4:10 ` Christoph Lameter
2006-11-30 0:31 ` [RFC][PATCH 0/1] Node-based reclaim/migration KAMEZAWA Hiroyuki
2006-11-30 0:31 ` Paul Menage
2006-11-30 4:11 ` KAMEZAWA Hiroyuki
2006-11-30 4:17 ` Christoph Lameter
2006-11-30 10:45 ` Paul Menage
2006-11-30 11:12 ` KAMEZAWA Hiroyuki
2006-11-30 11:25 ` Paul Menage
2006-11-30 12:18 ` KAMEZAWA Hiroyuki
2006-11-30 18:28 ` Christoph Lameter
2006-11-30 18:35 ` Paul Menage
2006-11-30 18:39 ` Christoph Lameter
2006-11-30 19:09 ` Paul Menage
2006-11-30 19:42 ` Christoph Lameter
2006-11-30 19:53 ` Paul Menage
2006-11-30 20:00 ` Christoph Lameter
2006-11-30 20:07 ` Paul Menage
2006-11-30 20:15 ` Christoph Lameter
2006-11-30 21:33 ` Paul Menage
2006-11-30 23:41 ` Christoph Lameter
2006-11-30 23:48 ` Paul Menage
2006-12-01 2:23 ` Christoph Lameter
2006-12-01 19:32 ` Paul Menage
2006-12-01 19:56 ` Christoph Lameter [this message]
2006-12-01 2:44 ` KAMEZAWA Hiroyuki
2006-12-01 2:43 ` Christoph Lameter
2006-12-01 2:59 ` KAMEZAWA Hiroyuki
2006-12-01 2:44 ` Christoph Lameter
2006-12-01 3:10 ` KAMEZAWA Hiroyuki
2006-12-01 5:28 ` Christoph Lameter
2006-11-30 4:04 ` Christoph Lameter
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