Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263165AbUCMTO0 (ORCPT ); Sat, 13 Mar 2004 14:14:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263166AbUCMTO0 (ORCPT ); Sat, 13 Mar 2004 14:14:26 -0500 Received: from bay-bridge.veritas.com ([143.127.3.10]:17283 "EHLO MTVMIME01.enterprise.veritas.com") by vger.kernel.org with ESMTP id S263165AbUCMTOZ (ORCPT ); Sat, 13 Mar 2004 14:14:25 -0500 Date: Sat, 13 Mar 2004 19:14:25 +0000 (GMT) From: Hugh Dickins X-X-Sender: hugh@localhost.localdomain To: Linus Torvalds cc: Rik van Riel , Andrea Arcangeli , William Lee Irwin III , Ingo Molnar , Andrew Morton , Kernel Mailing List Subject: Re: anon_vma RFC2 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 937 Lines: 24 On Fri, 12 Mar 2004, Linus Torvalds wrote: > > The absolute _LAST_ thing we want to have is a "remnant" rmap > infrastructure that only gets very occasional use. That's a GUARANTEED way > to get bugs, and really subtle behaviour. On Sat, 13 Mar 2004, Linus Torvalds wrote: > > I just think that if mremap() causes so many problems for reverse mapping, > we should make _that_ the expensive operation, instead of making > everything else more complicated. Friday's Linus has a good point, but I agree more with Saturday's: mremap MAYMOVE is a very special case, and I believe it would hurt the whole to put it at the centre of the design. But all power to Andrea to achieve that. Hugh - 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/