From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752988Ab2DZCEB (ORCPT ); Wed, 25 Apr 2012 22:04:01 -0400 Received: from LGEMRELSE7Q.lge.com ([156.147.1.151]:46133 "EHLO LGEMRELSE7Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751522Ab2DZCEA (ORCPT ); Wed, 25 Apr 2012 22:04:00 -0400 X-AuditID: 9c930197-b7ca1ae0000069e6-88-4f98ad08828c Message-ID: <4F98AD2D.3070900@kernel.org> Date: Thu, 26 Apr 2012 11:04:29 +0900 From: Minchan Kim User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120410 Thunderbird/11.0.1 MIME-Version: 1.0 Newsgroups: gmane.linux.kernel.mm,gmane.linux.kernel To: Seth Jennings CC: Nitin Gupta , Greg Kroah-Hartman , Dan Magenheimer , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 6/6] zsmalloc: make zsmalloc portable References: <1335334994-22138-1-git-send-email-minchan@kernel.org> <1335334994-22138-7-git-send-email-minchan@kernel.org> <4F980AFE.60901@vflare.org> <4F982862.4050302@linux.vnet.ibm.com> In-Reply-To: <4F982862.4050302@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/26/2012 01:37 AM, Seth Jennings wrote: > Hey Minchan, > > Thanks for the patches! > > On 04/25/2012 09:32 AM, Nitin Gupta wrote: >> I think Seth was working on this improvement but not sure about the >> current status. Seth? > > Yes, I looked at this option, and it is very clean and portable. > > Unfortunately, IIRC, with our rate of mapping/unmapping, > flush_tlb_kernel_range() causes an IPI storm that effective > stalls the machine. > > I'll apply your patch and try it out. Seth, Thanks! -- Kind regards, Minchan Kim