Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758282AbbDWUYc (ORCPT ); Thu, 23 Apr 2015 16:24:32 -0400 Received: from lists.s-osg.org ([54.187.51.154]:57269 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754305AbbDWUYa (ORCPT ); Thu, 23 Apr 2015 16:24:30 -0400 Message-ID: <553954FC.4050700@osg.samsung.com> Date: Thu, 23 Apr 2015 14:24:28 -0600 From: Shuah Khan Organization: Samsung Open Source Group User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Andrew Morton , Eric B Munson CC: Sri Jayaramappa , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, Shuah Khan Subject: Re: [PATCH V2] Test compaction of mlocked memory References: <1429813301-27216-1-git-send-email-sjayaram@akamai.com> <20150423184134.GF2282@akamai.com> <20150423132323.a3bd1dcdc94a2da3ca06a30d@linux-foundation.org> In-Reply-To: <20150423132323.a3bd1dcdc94a2da3ca06a30d@linux-foundation.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1761 Lines: 54 On 04/23/2015 02:23 PM, Andrew Morton wrote: > On Thu, 23 Apr 2015 14:41:34 -0400 Eric B Munson wrote: > >> On Thu, 23 Apr 2015, Sri Jayaramappa wrote: >> >>> Commit commit 5bbe3547aa3b ("mm: allow compaction of unevictable pages") >>> introduced a sysctl that allows userspace to enable scanning of locked >>> pages for compaction. This patch introduces a new test which fragments >>> main memory and attempts to allocate a number of huge pages to exercise >>> this compaction logic. >>> >>> Tested on machines with up to 32 GB RAM. With the patch a much larger >>> number of huge pages can be allocated than on the kernel without the >>> patch. >>> >>> Example output: >>> On a machine with 16 GB RAM: >>> sudo make run_tests vm >>> ... >>> ----------------------- >>> running compaction_test >>> ----------------------- >>> No of huge pages allocated = 3834 >>> [PASS] >>> ... >>> >>> Signed-off-by: Sri Jayaramappa >>> Cc: linux-kernel@vger.kernel.org >>> Cc: linux-api@vger.kernel.org >>> Cc: Andrew Morton >>> Cc: Eric B Munson >> >> Reviewed-by: Eric B Munson > > Acked-by: Andrew Morton > > I'm assuming that Shuah will process this one? > Yes. I will get this one after the merge window closes. -- Shuah -- Shuah Khan Sr. Linux Kernel Developer Open Source Innovation Group Samsung Research America (Silicon Valley) shuahkh@osg.samsung.com | (970) 217-8978 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/