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 05:19:13 +1000 References: <42F57FCA.9040805@yahoo.com.au> <1123577509.30257.173.camel@gaston> <42F87C24.4080000@yahoo.com.au> In-Reply-To: <42F87C24.4080000@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200508100519.14462.phillips@arcor.de> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Benjamin Herrenschmidt , linux-kernel , Linux Memory Management , Hugh Dickins , Linus Torvalds , Andrew Morton , Andrea Arcangeli List-ID: On Tuesday 09 August 2005 19:49, Nick Piggin wrote: > Benjamin Herrenschmidt wrote: > > I have no problem keeping PG_reserved for that, and _ONLY_ for that. > > (though i'd rather see it renamed then). I'm just afraid by doing so, > > some drivers will jump in the gap and abuse it again... > > Sure it would be renamed (better yet may be a slower page_is_valid() > that doesn't need to use a flag). Right! This is the correct time to wrap all remaining users (that use the newly-mandated valid page sense) in an inline or macro. And this patch set should change the flag name, because it quietly changes the rules. I think you need a 3/3 that drops the other shoe. 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