From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave McCracken Subject: Re: Page scan keeps touching kernel text pages Date: Mon, 25 Feb 2008 13:46:32 -0600 References: <20080224144710.GD31293@lazybastard.org> <20080225185319.GA14699@lazybastard.org> <20080225192127.GA20322@shadowen.org> In-Reply-To: <20080225192127.GA20322@shadowen.org> 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: owner-linux-mm@kvack.org Return-Path: To: Andy Whitcroft Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org