From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 22 Feb 2007 10:45:06 -0800 (PST) From: Christoph Lameter Subject: Re: [PATCH] Take anonymous pages off the LRU if we have no swap In-Reply-To: <6599ad830702220921w71126a5bg2a21a08befce7bec@mail.gmail.com> Message-ID: References: <6599ad830702220921w71126a5bg2a21a08befce7bec@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Paul Menage Cc: akpm@linux-foundation.org, linux-mm@kvack.org List-ID: On Thu, 22 Feb 2007, Paul Menage wrote: > On 2/21/07, Christoph Lameter wrote: > > If the kernel was compiled without support for swapping then we have no > > means > > of evicting anonymous pages and they become like mlocked pages. > > How will this interact with page migration? The same way as mlocked pages are handled. > In order to start migrating a page, the migration paths call > isolate_lru_page(), which returns -EBUSY if the page isn't on an LRU. Not anymore. Check Andrew's tree. -- 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