Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753203AbZFXBnN (ORCPT ); Tue, 23 Jun 2009 21:43:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751765AbZFXBnE (ORCPT ); Tue, 23 Jun 2009 21:43:04 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:51838 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751566AbZFXBnD (ORCPT ); Tue, 23 Jun 2009 21:43:03 -0400 From: KOSAKI Motohiro To: David Howells Subject: Re: [PATCH 0/3] make mapped executable pages the first class citizen Cc: kosaki.motohiro@jp.fujitsu.com, Wu Fengguang , Andrew Morton , LKML , Christoph Lameter , "hannes@cmpxchg.org" , "peterz@infradead.org" , "riel@redhat.com" , "tytso@mit.edu" , "linux-mm@kvack.org" , "elladan@eskimo.com" , "npiggin@suse.de" , "minchan.kim@gmail.com" In-Reply-To: <7561.1245768237@redhat.com> References: <20090620043303.GA19855@localhost> <7561.1245768237@redhat.com> Message-Id: <20090624104150.2257.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Wed, 24 Jun 2009 10:43:02 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5163 Lines: 67 > Wu Fengguang wrote: > > > David, could you try running this when it occurred again? > > > > make Documentation/vm/page-types > > Documentation/vm/page-types --raw # run as root > > Okay. I managed to catch it between the first and second OOMs, and ran the > command you asked for. > > David > --- > flags page-count MB symbolic-flags long-symbolic-flags > 0x0000000000000000 142261 555 ________________________________ > 0x0000000100000000 5588 21 ____________________r___________ reserved > 0x0000004000000000 17 0 __________________________h_____ arch > 0x0000000800000004 4 0 __R____________________P________ referenced,private > 0x0000000800000024 2073 8 __R__l_________________P________ referenced,lru,private > 0x0000000400000028 69911 273 ___U_l________________d_________ uptodate,lru,mappedtodisk > 0x0001000400000028 16 0 ___U_l________________d_____I___ uptodate,lru,mappedtodisk,readahead > 0x0000000800000028 25 0 ___U_l_________________P________ uptodate,lru,private > 0x0000000000000028 11 0 ___U_l__________________________ uptodate,lru > 0x000000040000002c 3045 11 __RU_l________________d_________ referenced,uptodate,lru,mappedtodisk > 0x000000080000002c 4 0 __RU_l_________________P________ referenced,uptodate,lru,private > 0x0000000800000034 9 0 __R_Dl_________________P________ referenced,dirty,lru,private > 0x0000000800000038 1 0 ___UDl_________________P________ uptodate,dirty,lru,private > 0x0000000000004038 13 0 ___UDl________b_________________ uptodate,dirty,lru,swapbacked > 0x000000080000003c 1 0 __RUDl_________________P________ referenced,uptodate,dirty,lru,private > 0x0000000800000060 183 0 _____lA________________P________ lru,active,private > 0x0000000800000064 982 3 __R__lA________________P________ referenced,lru,active,private > 0x0000000400000068 473 1 ___U_lA_______________d_________ uptodate,lru,active,mappedtodisk > 0x0000000c00000068 1 0 ___U_lA_______________dP________ uptodate,lru,active,mappedtodisk,private > 0x000000040000006c 392 1 __RU_lA_______________d_________ referenced,uptodate,lru,active,mappedtodisk > 0x0000000c0000006c 1 0 __RU_lA_______________dP________ referenced,uptodate,lru,active,mappedtodisk,private > 0x0000000800000070 1 0 ____DlA________________P________ dirty,lru,active,private > 0x0000000800000074 20 0 __R_DlA________________P________ referenced,dirty,lru,active,private > 0x0000000c00000078 2 0 ___UDlA_______________dP________ uptodate,dirty,lru,active,mappedtodisk,private > 0x0000000000004078 1 0 ___UDlA_______b_________________ uptodate,dirty,lru,active,swapbacked > 0x000000080000007c 1 0 __RUDlA________________P________ referenced,uptodate,dirty,lru,active,private > 0x0000000000000080 18684 72 _______S________________________ slab > 0x0000000000000400 6797 26 __________B_____________________ buddy > 0x0000000000000804 1 0 __R________M____________________ referenced,mmap > 0x0000000400000828 195 0 ___U_l_____M__________d_________ uptodate,lru,mmap,mappedtodisk > 0x000000040000082c 35 0 __RU_l_____M__________d_________ referenced,uptodate,lru,mmap,mappedtodisk > 0x0000000000004838 2 0 ___UDl_____M__b_________________ uptodate,dirty,lru,mmap,swapbacked > 0x0000000400000868 11 0 ___U_lA____M__________d_________ uptodate,lru,active,mmap,mappedtodisk > 0x000000040000086c 274 1 __RU_lA____M__________d_________ referenced,uptodate,lru,active,mmap,mappedtodisk > 0x0000000800000878 1 0 ___UDlA____M___________P________ uptodate,dirty,lru,active,mmap,private > 0x000000080000087c 2 0 __RUDlA____M___________P________ referenced,uptodate,dirty,lru,active,mmap,private > 0x0000000000005008 8 0 ___U________a_b_________________ uptodate,anonymous,swapbacked > 0x0000000000005808 6 0 ___U_______Ma_b_________________ uptodate,mmap,anonymous,swapbacked > 0x0000000000005828 4325 16 ___U_l_____Ma_b_________________ uptodate,lru,mmap,anonymous,swapbacked > 0x0000000000005868 366 1 ___U_lA____Ma_b_________________ uptodate,lru,active,mmap,anonymous,swapbacked > 0x000000000000586c 1 0 __RU_lA____Ma_b_________________ referenced,uptodate,lru,active,mmap,anonymous,swapbacked > total 255744 999 reclaimable pages are very few. I don't think we see vmscan issue. I guess it's memory leak issue. -- 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/