From: Christoph Lameter <clameter@sgi.com>
To: Paul Menage <menage@google.com>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org
Subject: Re: [PATCH] Take anonymous pages off the LRU if we have no swap
Date: Thu, 22 Feb 2007 10:45:06 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0702221044270.2011@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <6599ad830702220921w71126a5bg2a21a08befce7bec@mail.gmail.com>
On Thu, 22 Feb 2007, Paul Menage wrote:
> On 2/21/07, Christoph Lameter <clameter@sgi.com> wrote:
> > If the kernel was compiled without support for swapping then we have no
> > means
> > of evicting anonymous pages and they become like mlocked pages.
>
> How will this interact with page migration?
The same way as mlocked pages are handled.
> In order to start migrating a page, the migration paths call
> isolate_lru_page(), which returns -EBUSY if the page isn't on an LRU.
Not anymore. Check Andrew's tree.
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prev parent reply other threads:[~2007-02-22 18:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-21 22:12 Christoph Lameter
2007-02-21 23:17 ` Rik van Riel
2007-02-22 0:06 ` Christoph Lameter
2007-02-22 2:17 ` Rik van Riel
2007-02-22 3:09 ` Christoph Lameter
2007-02-22 12:13 ` Rik van Riel
2007-02-22 15:35 ` Balbir Singh
2007-02-22 17:04 ` Rik van Riel
2007-02-22 17:21 ` Paul Menage
2007-02-22 18:45 ` Christoph Lameter [this message]
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