From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx201.postini.com [74.125.245.201]) by kanga.kvack.org (Postfix) with SMTP id B7A9F6B004D for ; Thu, 15 Dec 2011 22:34:42 -0500 (EST) Message-ID: <4EEABC4D.7070706@redhat.com> Date: Thu, 15 Dec 2011 22:34:37 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 06/11] mm: compaction: make isolate_lru_page() filter-aware again References: <1323877293-15401-1-git-send-email-mgorman@suse.de> <1323877293-15401-7-git-send-email-mgorman@suse.de> In-Reply-To: <1323877293-15401-7-git-send-email-mgorman@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Andrew Morton , Andrea Arcangeli , Minchan Kim , Dave Jones , Jan Kara , Andy Isaacson , Johannes Weiner , Nai Xia , Linux-MM , LKML On 12/14/2011 10:41 AM, Mel Gorman wrote: > Commit [39deaf85: mm: compaction: make isolate_lru_page() filter-aware] > noted that compaction does not migrate dirty or writeback pages and > that is was meaningless to pick the page and re-add it to the LRU list. > This had to be partially reverted because some dirty pages can be > migrated by compaction without blocking. > > This patch updates "mm: compaction: make isolate_lru_page" by skipping > over pages that migration has no possibility of migrating to minimise > LRU disruption. > > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- All rights reversed -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org