From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Weiner Subject: Re: [PATCH 01/10] vmscan: kill prev_priority completely Date: Sat, 17 Apr 2010 00:37:58 +0200 Message-ID: <20100416223758.GD20640@cmpxchg.org> References: <1271352103-2280-1-git-send-email-mel@csn.ul.ie> <1271352103-2280-2-git-send-email-mel@csn.ul.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Chris Mason , Dave Chinner , KOSAKI Motohiro , Andi Kleen To: Mel Gorman Return-path: Content-Disposition: inline In-Reply-To: <1271352103-2280-2-git-send-email-mel@csn.ul.ie> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org On Thu, Apr 15, 2010 at 06:21:34PM +0100, Mel Gorman wrote: > From: KOSAKI Motohiro > > Since 2.6.28 zone->prev_priority is unused. Then it can be removed > safely. It reduce stack usage slightly. > > Now I have to say that I'm sorry. 2 years ago, I thghout prev_priority > can be integrate again, it's useful. but four (or more) times trying > haven't got good performance number. thus I give up such approach. > > Signed-off-by: KOSAKI Motohiro Reviewed-by: Johannes Weiner -- 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