Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754942Ab3HFIsz (ORCPT ); Tue, 6 Aug 2013 04:48:55 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:42380 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754661Ab3HFIsx (ORCPT ); Tue, 6 Aug 2013 04:48:53 -0400 X-AuditID: 9c930179-b7c53ae000000457-36-5200b8733d46 Date: Tue, 6 Aug 2013 17:48:53 +0900 From: Joonsoo Kim To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Minchan Kim , Johannes Weiner , Mel Gorman , Rik van Riel , Michel Lespinasse Subject: Re: [PATCH 4/4] mm, page_alloc: optimize batch count in free_pcppages_bulk() Message-ID: <20130806084852.GA22782@lge.com> References: <1375778620-31593-1-git-send-email-iamjoonsoo.kim@lge.com> <1375778620-31593-4-git-send-email-iamjoonsoo.kim@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1375778620-31593-4-git-send-email-iamjoonsoo.kim@lge.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 706 Lines: 18 On Tue, Aug 06, 2013 at 05:43:40PM +0900, Joonsoo Kim wrote: > If we use a division operation, we can compute a batch count more closed > to ideal value. With this value, we can finish our job within > MIGRATE_PCPTYPES iteration. In addition, batching to free more pages > may be helpful to cache usage. > > Signed-off-by: Joonsoo Kim Oops... Sorry. Please ignore this one. This patch is already submitted few seconds ago :) Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/