From: Dave McCracken <dave.mccracken@oracle.com>
To: Andy Whitcroft <apw@shadowen.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: Page scan keeps touching kernel text pages
Date: Mon, 25 Feb 2008 13:46:32 -0600 [thread overview]
Message-ID: <200802251346.32289.dave.mccracken@oracle.com> (raw)
In-Reply-To: <20080225192127.GA20322@shadowen.org>
On Monday 25 February 2008, Andy Whitcroft wrote:
> I thought that init sections were deliberatly pushed to the end of the
> kernel when linked, cirtainly on my laptop here that seems to be so.
> That would make the first two "after" the kernel. The other two appear
> to be before the traditional kernel load address, which is 0x100000, so
> those pages are before not in the kernel?
I believe the memory below the kernel load address on x86 is returned to the
free memory pool at some point during boot, which would explain those
addresses.
Dave McCracken
next prev parent reply other threads:[~2008-02-25 19:46 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
2008-02-25 18:53 ` Jörn Engel
2008-02-25 19:21 ` Andy Whitcroft
2008-02-25 19:46 ` Dave McCracken [this message]
2008-02-25 20:38 ` Jörn Engel
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