From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 19 Sep 2001 14:55:34 -0700 (PDT) Message-Id: <20010919.145534.104033668.davem@redhat.com> Subject: Re: broken VM in 2.4.10-pre9 From: "David S. Miller" In-Reply-To: References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: ebiederm@xmission.com Cc: alan@lxorguk.ukuu.org.uk, phillips@bonn-fries.net, rfuller@nsisoftware.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: That I think is a significant cost. My own personal feeling, after having tried to implement a much lighter weight scheme involving "anon areas", is that reverse maps or something similar should be looked at as a latch ditch effort. We are tons faster than anyone else in fork/exec/exit precisely because we keep track of so little state for anonymous pages. Later, David S. Miller davem@redhat.com -- 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/