From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757534Ab2J2CGg (ORCPT ); Sun, 28 Oct 2012 22:06:36 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:64963 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753850Ab2J2CGf (ORCPT ); Sun, 28 Oct 2012 22:06:35 -0400 X-AuditID: 9c930179-b7c8bae000003559-95-508de4a9e6f9 Date: Mon, 29 Oct 2012 11:12:19 +0900 From: Minchan Kim To: Joonsoo Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Peter Zijlstra Subject: Re: [PATCH 0/5] minor clean-up and optimize highmem related code Message-ID: <20121029021219.GK15767@bbox> References: <1351451576-2611-1-git-send-email-js1304@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1351451576-2611-1-git-send-email-js1304@gmail.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 Hi Joonsoo, On Mon, Oct 29, 2012 at 04:12:51AM +0900, Joonsoo Kim wrote: > This patchset clean-up and optimize highmem related code. > > [1] is just clean-up and doesn't introduce any functional change. > [2-3] are for clean-up and optimization. > These eliminate an useless lock opearation and list management. > [4-5] is for optimization related to flush_all_zero_pkmaps(). > > Joonsoo Kim (5): > mm, highmem: use PKMAP_NR() to calculate an index of pkmap > mm, highmem: remove useless pool_lock > mm, highmem: remove page_address_pool list > mm, highmem: makes flush_all_zero_pkmaps() return index of last > flushed entry > mm, highmem: get virtual address of the page using PKMAP_ADDR() This patchset looks awesome to me. If you have a plan to respin, please CCed Peter. -- Kind regards, Minchan Kim