From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx191.postini.com [74.125.245.191]) by kanga.kvack.org (Postfix) with SMTP id C160F6B004F for ; Sat, 17 Dec 2011 20:53:27 -0500 (EST) Received: by ghrr18 with SMTP id r18so3350707ghr.14 for ; Sat, 17 Dec 2011 17:53:26 -0800 (PST) Date: Sun, 18 Dec 2011 10:53:14 +0900 From: Minchan Kim Subject: Re: [PATCH 06/11] mm: compaction: make isolate_lru_page() filter-aware again Message-ID: <20111218015314.GA13069@barrios-laptop.redhat.com> References: <1323877293-15401-1-git-send-email-mgorman@suse.de> <1323877293-15401-7-git-send-email-mgorman@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1323877293-15401-7-git-send-email-mgorman@suse.de> 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 , Rik van Riel , Nai Xia , Linux-MM , LKML On Wed, Dec 14, 2011 at 03:41:28PM +0000, 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: Minchan Kim -- Kind regards, Minchan Kim -- 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