From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx158.postini.com [74.125.245.158]) by kanga.kvack.org (Postfix) with SMTP id 9A9986B0005 for ; Sun, 3 Feb 2013 23:46:11 -0500 (EST) Subject: Re: CPU hotplug hang due to "swap: make each swap partition have one address_space" From: Joseph Lo In-Reply-To: <20130204023646.GA321@kernel.org> References: <510C9DE9.9040207@wwwdotorg.org> <20130204023646.GA321@kernel.org> Date: Mon, 4 Feb 2013 12:45:44 +0800 Message-ID: <1359953144.5542.2.camel@jlo-ubuntu-64.nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Shaohua Li Cc: Stephen Warren , Shaohua Li , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "linux-next@vger.kernel.org" , Andrew Morton , Rik van Riel , Minchan Kim On Mon, 2013-02-04 at 10:36 +0800, Shaohua Li wrote: > On Fri, Feb 01, 2013 at 10:02:33PM -0700, Stephen Warren wrote: > > Shaohua, > > > > In next-20130128, commit 174f064 "swap: make each swap partition have > > one address_space" (from the mm/akpm tree) appears causes a hang/RCU > > stall for me when hot-unplugging a CPU. > > does this one work for you? > http://marc.info/?l=linux-mm&m=135929599505624&w=2 > Or try a more recent linux-next. The patch is in akpm's tree. > Hi Shaohua, The patch you pointed out did fix the issue. Just verified on Tegra device. Thanks, Joseph -- 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