From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752566Ab2LDKF7 (ORCPT ); Tue, 4 Dec 2012 05:05:59 -0500 Received: from mail-la0-f46.google.com ([209.85.215.46]:39219 "EHLO mail-la0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752408Ab2LDKFy (ORCPT ); Tue, 4 Dec 2012 05:05:54 -0500 Message-ID: <50BDCAFE.1070004@googlemail.com> Date: Tue, 04 Dec 2012 10:05:50 +0000 From: Chris Clayton User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Andrew Morton CC: Jiang Liu , Wen Congyang , David Rientjes , Jiang Liu , Maciej Rutecki , "Rafael J . Wysocki" , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , Jianguo Wu , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [RFT PATCH v2 4/5] mm: provide more accurate estimation of pages occupied by memmap References: <20121120111942.c9596d3f.akpm@linux-foundation.org> <1353510586-6393-1-git-send-email-jiang.liu@huawei.com> <20121128155221.df369ce4.akpm@linux-foundation.org> <50B73E56.4050603@googlemail.com> <50BBB21D.3070005@googlemail.com> <20121203151715.8c536a7a.akpm@linux-foundation.org> In-Reply-To: <20121203151715.8c536a7a.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/03/12 23:17, Andrew Morton wrote: > On Sun, 02 Dec 2012 19:55:09 +0000 > Chris Clayton wrote: > >> >> >> On 11/29/12 10:52, Chris Clayton wrote: >>> On 11/28/12 23:52, Andrew Morton wrote: >>>> On Wed, 21 Nov 2012 23:09:46 +0800 >>>> Jiang Liu wrote: >>>> >>>>> Subject: Re: [RFT PATCH v2 4/5] mm: provide more accurate estimation >>>>> of pages occupied by memmap >>>> >>>> How are people to test this? "does it boot"? >>>> >>> >>> I've been running kernels with Gerry's 5 patches applied for 11 days >>> now. This is on a 64bit laptop but with a 32bit kernel + HIGHMEM. I >>> joined the conversation because my laptop would not resume from suspend >>> to disk - it either froze or rebooted. With the patches applied the >>> laptop does successfully resume and has been stable. >>> >>> Since Monday, I have have been running a kernel with the patches (plus, >>> from today, the patch you mailed yesterday) applied to 3.7rc7, without >>> problems. >>> >> >> I've been running 3.7-rc7 with the patches listed below for a week now >> and it has been perfectly stable. In particular, my laptop will now >> successfully resume from suspend to disk, which always failed without >> the patches. >> >> From Jiang Liu: >> 1. [RFT PATCH v2 1/5] mm: introduce new field "managed_pages" to struct zone >> 2. [RFT PATCH v1 2/5] mm: replace zone->present_pages with >> zone->managed_pages if appreciated >> 3. [RFT PATCH v1 3/5] mm: set zone->present_pages to number of existing >> pages in the zone >> 4. [RFT PATCH v2 4/5] mm: provide more accurate estimation of pages >> occupied by memmap >> 5. [RFT PATCH v1 5/5] mm: increase totalram_pages when free pages >> allocated by bootmem allocator >> >> From Andrew Morton: >> 6. mm-provide-more-accurate-estimation-of-pages-occupied-by-memmap.patch >> >> Tested-by: Chris Clayton > > Thanks. > > I have only two of these five patches queued for 3.8: > mm-introduce-new-field-managed_pages-to-struct-zone.patch and > mm-provide-more-accurate-estimation-of-pages-occupied-by-memmap.patch. > I don't recall what happened with the other three. > Gerry posted version 1 of the five patches on 18 November. Version 2 of the first and fourth patches were posted on 21 November. BTW, the title of Andrew's patch that I applied is wrong above. It should be mm-provide-more-accurate-estimation-of-pages-occupied-by-memmap-fix. Chris