From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [RFC][patch 0/2] mm: remove PageReserved From: Nigel Cunningham Reply-To: ncunningham@cyclades.com In-Reply-To: <200508090710.00637.phillips@arcor.de> References: <42F57FCA.9040805@yahoo.com.au> <200508090710.00637.phillips@arcor.de> Content-Type: text/plain Message-Id: <1123562392.4370.112.camel@localhost> Mime-Version: 1.0 Date: Tue, 09 Aug 2005 14:39:52 +1000 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Daniel Phillips Cc: Nick Piggin , Linux Kernel Mailing List , Linux Memory Management , Hugh Dickins , Linus Torvalds , Andrew Morton , Andrea Arcangeli , Benjamin Herrenschmidt List-ID: Hi. On Tue, 2005-08-09 at 07:09, Daniel Phillips wrote: > > It doesn't look like they'll be able to easily free up a page > > flag for 2 reasons. First, PageReserved will probably be kept > > around for at least one release. Second, swsusp and some arch > > code (ioremap) wants to know about struct pages that don't point > > to valid RAM - currently they use PageReserved, but we'll probably > > just introduce a PageValidRAM or something when PageReserved goes. Changing the e820 code so it sets PageNosave instead of PageReserved, along with a couple of modifications in swsusp itself should get rid of the swsusp dependency. Regards, Nigel -- Evolution. Enumerate the requirements. Consider the interdependencies. Calculate the probabilities. -- 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