From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753314Ab2JaQ7K (ORCPT ); Wed, 31 Oct 2012 12:59:10 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:45139 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751115Ab2JaQ7I (ORCPT ); Wed, 31 Oct 2012 12:59:08 -0400 From: Joonsoo Kim To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Joonsoo Kim Subject: [PATCH v2 0/5] minor clean-up and optimize highmem related code Date: Thu, 1 Nov 2012 01:56:32 +0900 Message-Id: <1351702597-10795-1-git-send-email-js1304@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset clean-up and optimize highmem related code. Change from v1 Rebase on v3.7-rc3 [4] Instead of returning index of last flushed entry, return first index. And update last_pkmap_nr to this index to optimize more. Summary for v1 [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 first flushed entry mm, highmem: get virtual address of the page using PKMAP_ADDR() include/linux/highmem.h | 1 + mm/highmem.c | 108 ++++++++++++++++++++++------------------------- 2 files changed, 51 insertions(+), 58 deletions(-) -- 1.7.9.5