From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from penguin.e-mind.com (penguin.e-mind.com [195.223.140.120]) by kvack.org (8.8.7/8.8.7) with ESMTP id LAA11414 for ; Sat, 19 Dec 1998 11:27:24 -0500 Date: Sat, 19 Dec 1998 17:27:40 +0100 (CET) From: Andrea Arcangeli Subject: Re: PG_clean for shared mapping smart syncing In-Reply-To: <199812191617.QAA00819@dax.scot.redhat.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: "Stephen C. Tweedie" Cc: linux-kernel@vger.rutgers.edu, linux-mm@kvack.org, Linus Torvalds List-ID: On Sat, 19 Dec 1998, Stephen C. Tweedie wrote: >Hi, > >On Sat, 19 Dec 1998 17:04:26 +0100 (CET), Andrea Arcangeli > said: > >Just a couple of comments: I can't see any mechanism in this patch for >clearing other process's pte dirty bits when we sync a shared page (I The only reason to add a bitflag in the page->flags field is to avoid us to play with the pte. Now the pte is used only to set the page readonly to allow us to remove the clean flag at the first page fault. Andrea Arcangeli -- This is a majordomo managed list. To unsubscribe, send a message with the body 'unsubscribe linux-mm me@address' to: majordomo@kvack.org