From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by uproxy.gmail.com with SMTP id q2so19763uge for ; Wed, 08 Feb 2006 18:57:07 -0800 (PST) Message-ID: Date: Thu, 9 Feb 2006 11:57:07 +0900 From: Magnus Damm Subject: Re: [RFC] Removing page->flags In-Reply-To: <43EAA0F4.2060208@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Content-Disposition: inline References: <1139381183.22509.186.camel@localhost> <43EAA0F4.2060208@jp.fujitsu.com> Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: Magnus Damm , linux-mm@kvack.org, Magnus Damm List-ID: Hi Kamezawa-san, On 2/9/06, KAMEZAWA Hiroyuki wrote: > Magnus Damm wrote: > > [RFC] Removing page-flags > > > > Moving type A bits: > > > > Instead of keeping the bits together, we spread them out and store a > > pointer to them from pg_data_t. > > > This will annoy people who has a job to look into crash-dump's vmcore..like me ;) > so, I don't like this idea. Hehe, gotcha. =) I also wonder how well it would work with your zone patches. > BTW, did you see Nigel's dynamic page-flags idea ? > I think temporal page-flags can be replaced by some page tracking > infrastructure. I'm not familiar with that patch yet, but I will be soon. =) Thanks! / magnus -- 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