Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760350AbXJOKNc (ORCPT ); Mon, 15 Oct 2007 06:13:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757666AbXJOKNX (ORCPT ); Mon, 15 Oct 2007 06:13:23 -0400 Received: from smtp106.mail.mud.yahoo.com ([209.191.85.216]:34605 "HELO smtp106.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1757646AbXJOKNW (ORCPT ); Mon, 15 Oct 2007 06:13:22 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:X-YMail-OSG:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=qN81VBpUaxZGfxTZOcBUD6TvozKFxnUtZBkRrKiWAUAshXVWyEQwbY3jkRok93mUPxZNqSn3BPv/kjMTo2iyQXdPKusPZrMZSyZDlUZ9kAjvUxQL/iW43TsFWmFwLAxy10Qxv/dM8CyLqQbZjxk5CNEEGLdiB1Tdq+WPus+AFlk= ; X-YMail-OSG: k0Pz3gYVM1nmbCp2NOW0Tq9OZCrUd6KpdgtqGbIMJXcs9rf9 From: Nick Piggin To: Andrew Morton Subject: Re: [PATCH resend] ramdisk: fix zeroed ramdisk pages on memory pressure Date: Tue, 16 Oct 2007 01:23:32 +1000 User-Agent: KMail/1.9.5 Cc: Christian Borntraeger , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Martin Schwidefsky , "Theodore Ts'o" References: <200710151028.34407.borntraeger@de.ibm.com> <200710160006.19735.nickpiggin@yahoo.com.au> <20071015021624.7d5233bd.akpm@linux-foundation.org> In-Reply-To: <20071015021624.7d5233bd.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710160123.32434.nickpiggin@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1085 Lines: 23 On Monday 15 October 2007 19:16, Andrew Morton wrote: > On Tue, 16 Oct 2007 00:06:19 +1000 Nick Piggin wrote: > > On Monday 15 October 2007 18:28, Christian Borntraeger wrote: > > > Andrew, this is a resend of a bugfix patch. Ramdisk seems a bit > > > unmaintained, so decided to sent the patch to you :-). > > > I have CCed Ted, who did work on the code in the 90s. I found no > > > current email address of Chad Page. > > > > This really needs to be fixed... > > rd.c is fairly mind-boggling vfs abuse. Why do you say that? I guess it is _different_, by necessity(?) Is there anything that is really bad? I guess it's not nice for operating on the pagecache from its request_fn, but the alternative is to duplicate pages for backing store and buffer cache (actually that might not be a bad alternative really). - 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/