From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 22 Apr 2008 12:16:07 -0700 (PDT) From: Christoph Lameter Subject: Re: Warning on memory offline (and possible in usual migration?) In-Reply-To: <20080422094352.GB23770@wotan.suse.de> Message-ID: References: <20080414145806.c921c927.kamezawa.hiroyu@jp.fujitsu.com> <20080422045205.GH21993@wotan.suse.de> <20080422165608.7ab7026b.kamezawa.hiroyu@jp.fujitsu.com> <20080422094352.GB23770@wotan.suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: KAMEZAWA Hiroyuki , "linux-mm@kvack.org" , Andrew Morton , GOTO List-ID: On Tue, 22 Apr 2008, Nick Piggin wrote: > No, it need not be under IO or in some unstable state. Christoph just > said that migration can't handle !uptodate pages, and I'm very > curious as to why not, and what is in place to prevent that from > happening. We just assumed that the page was in an unstable state since it was under I/O. Maybe you can give us the correct definition? -- 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