From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 1 Aug 2005 12:48:40 -0700 (PDT) From: Linus Torvalds Subject: Re: [patch 2.6.13-rc4] fix get_user_pages bug In-Reply-To: Message-ID: References: <20050801032258.A465C180EC0@magilla.sf.frob.com> <42EDDB82.1040900@yahoo.com.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Hugh Dickins Cc: Nick Piggin , Robin Holt , Andrew Morton , Roland McGrath , Martin Schwidefsky , linux-mm@kvack.org, linux-kernel List-ID: On Mon, 1 Aug 2005, Hugh Dickins wrote: > > Attractive, I very much wanted to do that rather than change all the > arches, but I think s390 rules it out: its pte_mkdirty does nothing, > its pte_dirty just says no. How does s390 work at all? > Or should we change s390 to set a flag in the pte just for this purpose? If the choice is between a broken and ugly implementation for everybody else, then hell yes. Even if it's a purely sw bit that nothing else actually cares about.. I hope they have an extra bit around somewhere. Linus -- 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