From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757568Ab2C0DSB (ORCPT ); Mon, 26 Mar 2012 23:18:01 -0400 Received: from mprc.pku.edu.cn ([162.105.203.9]:45687 "EHLO mprc.pku.edu.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755541Ab2C0DR7 (ORCPT ); Mon, 26 Mar 2012 23:17:59 -0400 Message-ID: <4F71319F.60605@mprc.pku.edu.cn> Date: Tue, 27 Mar 2012 11:18:55 +0800 From: Guan Xuetao User-Agent: Mozilla/5.0 (X11; Linux i686; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2 MIME-Version: 1.0 To: Kautuk Consul CC: linux-kernel@vger.kernel.org Subject: Re: [PATCH 15/20] unicore32/mm/fault.c: Port OOM changes to do_pf References: <1332249906-3106-1-git-send-email-consul.kautuk@gmail.com> In-Reply-To: <1332249906-3106-1-git-send-email-consul.kautuk@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/20/2012 09:25 PM, Kautuk Consul wrote: > Commit d065bd810b6deb67d4897a14bfe21f8eb526ba99 > (mm: retry page fault when blocking on disk transfer) and > commit 37b23e0525d393d48a7d59f870b3bc061a30ccdb > (x86,mm: make pagefault killable) > > The above commits introduced changes into the x86 pagefault handler > for making the page fault handler retryable as well as killable. > > These changes reduce the mmap_sem hold time, which is crucial > during OOM killer invocation. > > Port these changes to unicore32. > > Signed-off-by: Kautuk Consul > --- > Sorry for replying so late. I've tested the patch for compilation and running, but not triggered VM_FAULT_RETRY. Regards, Guan Xuetao