From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Phillips Subject: Re: [RFC][patch 0/2] mm: remove PageReserved Date: Wed, 10 Aug 2005 23:34:42 +1000 References: <20050808145430.15394c3c.akpm@osdl.org> <200508090724.30962.phillips@arcor.de> <31567.1123679613@warthog.cambridge.redhat.com> In-Reply-To: <31567.1123679613@warthog.cambridge.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200508102334.43662.phillips@arcor.de> Sender: owner-linux-mm@kvack.org Return-Path: To: David Howells Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, hugh@veritas.com List-ID: On Wednesday 10 August 2005 23:13, David Howells wrote: > Andrew Morton wrote: > > > ...kill PG_checked please :) Or at least keep it from spreading. > > > > It already spread - ext3 is using it and I think reiser4. I thought I > > had a patch to rename it to PG_misc1 or somesuch, but no. It's mandate > > becomes "filesystem-specific page flag". > > You're carrying a patch to stick a flag called PG_fs_misc, but that has the > same value as PG_checked. An extra page flag beyond PG_uptodate, PG_lock > and PG_writeback is required to make readpage through the cache > non-synchronous. David, Interesting, have you got a pointer to a full explanation? Is this about aio? Regards, Daniel -- 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