From: Dave Hansen <haveblue@us.ibm.com>
To: Andy Whitcroft <apw@shadowen.org>
Cc: "Jörn Engel" <joern@logfs.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: Page scan keeps touching kernel text pages
Date: Mon, 25 Feb 2008 09:48:22 -0800 [thread overview]
Message-ID: <1203961702.6662.35.camel@nimitz.home.sr71.net> (raw)
In-Reply-To: <20080225150724.GF2604@shadowen.org>
On Mon, 2008-02-25 at 15:07 +0000, Andy Whitcroft wrote:
> shrink_page_list() would be expected to be passed pages pulled from
> the active or inactive lists via isolate_lru_pages()? I would not have
> expected to find the kernel text on the LRU and therefore not expect to
> see it passed to shrink_page_list()?
It may have been kernel text at one time, but what about __init
functions? Don't we free that section back to the normal allocator
after init time? Those can end up on the LRU.
-- Dave
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next prev parent reply other threads:[~2008-02-25 17:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-24 14:47 Page scan keeps touching kernel text pages Jörn Engel
2008-02-25 15:07 ` Andy Whitcroft
2008-02-25 15:15 ` Jörn Engel
2008-02-25 17:35 ` Jörn Engel
2008-02-25 17:48 ` Dave Hansen [this message]
2008-02-25 18:53 ` Jörn Engel
2008-02-25 19:21 ` Andy Whitcroft
2008-02-25 19:46 ` Dave McCracken
2008-02-25 20:38 ` Jörn Engel
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