From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Piggin Subject: Re: [PATCH resend] ramdisk: fix zeroed ramdisk pages on memory pressure Date: Tue, 16 Oct 2007 01:23:32 +1000 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: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Christian Borntraeger , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Martin Schwidefsky , Theodore Ts'o List-ID: 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, 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