From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx148.postini.com [74.125.245.148]) by kanga.kvack.org (Postfix) with SMTP id A32646B0044 for ; Wed, 25 Apr 2012 12:38:19 -0400 (EDT) Received: from /spool/local by e3.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 25 Apr 2012 12:38:16 -0400 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id 3F2F438C803A for ; Wed, 25 Apr 2012 12:38:01 -0400 (EDT) Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q3PGbxa6046258 for ; Wed, 25 Apr 2012 12:37:59 -0400 Received: from d03av03.boulder.ibm.com (loopback [127.0.0.1]) by d03av03.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q3PGbwXO028036 for ; Wed, 25 Apr 2012 10:37:59 -0600 Message-ID: <4F982862.4050302@linux.vnet.ibm.com> Date: Wed, 25 Apr 2012 11:37:54 -0500 From: Seth Jennings MIME-Version: 1.0 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> In-Reply-To: <4F980AFE.60901@vflare.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Nitin Gupta , Greg Kroah-Hartman , Dan Magenheimer , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org 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. Thanks, Seth -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org