Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757441AbYBYTqq (ORCPT ); Mon, 25 Feb 2008 14:46:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755727AbYBYTqh (ORCPT ); Mon, 25 Feb 2008 14:46:37 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.123]:41322 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755620AbYBYTqg convert rfc822-to-8bit (ORCPT ); Mon, 25 Feb 2008 14:46:36 -0500 From: Dave McCracken To: Andy Whitcroft Subject: Re: Page scan keeps touching kernel text pages Date: Mon, 25 Feb 2008 13:46:32 -0600 User-Agent: KMail/1.9.7 Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20080224144710.GD31293@lazybastard.org> <20080225185319.GA14699@lazybastard.org> <20080225192127.GA20322@shadowen.org> In-Reply-To: <20080225192127.GA20322@shadowen.org> Organization: Oracle Corp MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200802251346.32289.dave.mccracken@oracle.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 808 Lines: 17 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/