From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx169.postini.com [74.125.245.169]) by kanga.kvack.org (Postfix) with SMTP id CEE896B0080 for ; Mon, 4 Feb 2013 15:49:05 -0500 (EST) Message-ID: <51101EBD.80607@wwwdotorg.org> Date: Mon, 04 Feb 2013 13:49:01 -0700 From: Stephen Warren MIME-Version: 1.0 Subject: Re: CPU hotplug hang due to "swap: make each swap partition have one address_space" References: <510C9DE9.9040207@wwwdotorg.org> <20130204023646.GA321@kernel.org> <510FE866.9090600@wwwdotorg.org> In-Reply-To: <510FE866.9090600@wwwdotorg.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Shaohua Li , Andrew Morton Cc: Shaohua Li , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "linux-next@vger.kernel.org" , Rik van Riel , Minchan Kim , Joseph Lo On 02/04/2013 09:57 AM, Stephen Warren wrote: > On 02/03/2013 07:36 PM, 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. > > Yes, that patch fixes the issue for me, thanks. I notice this patch is only in Andrew's mmots tree, not mmotm, and hence isn't included in linux-next. Do you know when it'll be "promoted" and show up in linux-next? -- 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