From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id 820796B02BD for ; Fri, 20 Aug 2010 01:26:46 -0400 (EDT) Received: from m4.gw.fujitsu.co.jp ([10.0.50.74]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o7K5QgDC007082 for (envelope-from iram.shahzad@jp.fujitsu.com); Fri, 20 Aug 2010 14:26:42 +0900 Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 880C645DE4D for ; Fri, 20 Aug 2010 14:26:42 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 6560F45DE60 for ; Fri, 20 Aug 2010 14:26:42 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id E0FAFE38002 for ; Fri, 20 Aug 2010 14:26:41 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.249.87.107]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 756091DB8037 for ; Fri, 20 Aug 2010 14:26:41 +0900 (JST) Message-ID: From: "Iram Shahzad" References: <325E0A25FE724BA18190186F058FF37E@rainbow> <20100817111018.GQ19797@csn.ul.ie> <4385155269B445AEAF27DC8639A953D7@rainbow> <20100818154130.GC9431@localhost> <565A4EE71DAC4B1A820B2748F56ABF73@rainbow> <20100819160006.GG6805@barrios-desktop> Subject: Re: compaction: trying to understand the code Date: Fri, 20 Aug 2010 14:31:03 +0900 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_NextPart_000_00CA_01CB4074.51799E60" Sender: owner-linux-mm@kvack.org To: Minchan Kim Cc: Wu Fengguang , Mel Gorman , linux-mm@kvack.org, KOSAKI Motohiro List-ID: This is a multi-part message in MIME format. ------=_NextPart_000_00CA_01CB4074.51799E60 Content-Type: text/plain; format=flowed; charset="ISO-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit > Could you apply below patch for debugging and report it? The Mem-info gets printed forever. So I have picked the first 2 of them and then another 2 after some time. These 4 Mem-infos are shown in the attached log. Thanks Iram ------=_NextPart_000_00CA_01CB4074.51799E60 Content-Type: text/plain; format=flowed; name="too_many_isolated_log.txt"; reply-type=original Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="too_many_isolated_log.txt" Mem-info: Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 184 active_anon:40345 inactive_anon:0 isolated_anon:8549 active_file:2713 inactive_file:10418 isolated_file:1871 unevictable:0 dirty:0 writeback:0 unstable:0 free:53713 slab_reclaimable:533 slab_unreclaimable:1076 mapped:9461 shmem:2349 pagetables:1574 bounce:0 Normal free:214852kB min:2884kB low:3604kB high:4324kB = active_anon:161380kB inactive_anon:0kB active_file:10852kB = inactive_file:41672kB unevictable:0kB isolated(anon):34196kB = isolated(file):7484kB present:520192kB mlocked:0kB dirty:0kB = writeback:0kB mapped:37844kB shmem:9396kB slab_reclaimable:2132kB = slab_unreclaimable:4304kB kernel_stack:1880kB pagetables:6296kB = unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 = all_unreclaimable? no lowmem_reserve[]: 0 0 0 Normal: 31*4kB 29*8kB 20*16kB 23*32kB 21*64kB 19*128kB 19*256kB 20*512kB = 20*1024kB 3*2048kB 41*4096kB =3D 214852kB 15491 total pagecache pages 131072 pages of RAM 54242 free pages 18897 reserved pages 1609 slab pages 84316 pages shared 0 pages swap cached Mem-info: Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 184 active_anon:40345 inactive_anon:0 isolated_anon:8549 active_file:2713 inactive_file:10418 isolated_file:1871 unevictable:0 dirty:0 writeback:0 unstable:0 free:53713 slab_reclaimable:533 slab_unreclaimable:1076 mapped:9461 shmem:2349 pagetables:1574 bounce:0 Normal free:214852kB min:2884kB low:3604kB high:4324kB = active_anon:161380kB inactive_anon:0kB active_file:10852kB = inactive_file:41672kB unevictable:0kB isolated(anon):34196kB = isolated(file):7484kB present:520192kB mlocked:0kB dirty:0kB = writeback:0kB mapped:37844kB shmem:9396kB slab_reclaimable:2132kB = slab_unreclaimable:4304kB kernel_stack:1880kB pagetables:6296kB = unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 = all_unreclaimable? no lowmem_reserve[]: 0 0 0 Normal: 26*4kB 27*8kB 19*16kB 22*32kB 20*64kB 19*128kB 19*256kB 20*512kB = 20*1024kB 3*2048kB 41*4096kB =3D 214704kB 15491 total pagecache pages 131072 pages of RAM 54258 free pages 18897 reserved pages 1609 slab pages 84296 pages shared 0 pages swap cached [snip] Mem-info: Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 100 active_anon:40429 inactive_anon:0 isolated_anon:8581 active_file:2719 inactive_file:10423 isolated_file:1871 unevictable:0 dirty:0 writeback:0 unstable:0 free:53777 slab_reclaimable:534 slab_unreclaimable:1070 mapped:9461 shmem:2349 pagetables:1574 bounce:0 Normal free:215108kB min:2884kB low:3604kB high:4324kB = active_anon:161716kB inactive_anon:0kB active_file:10876kB = inactive_file:41692kB unevictable:0kB isolated(anon):34324kB = isolated(file):7484kB present:520192kB mlocked:0kB dirty:0kB = writeback:0kB mapped:37844kB shmem:9396kB slab_reclaimable:2136kB = slab_unreclaimable:4280kB kernel_stack:1872kB pagetables:6296kB = unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 = all_unreclaimable? no lowmem_reserve[]: 0 0 0 Normal: 31*4kB 29*8kB 20*16kB 21*32kB 22*64kB 19*128kB 20*256kB 20*512kB = 20*1024kB 3*2048kB 41*4096kB =3D 215108kB 15491 total pagecache pages 131072 pages of RAM 54221 free pages 18897 reserved pages 1604 slab pages 84289 pages shared 0 pages swap cached Mem-info: Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 100 active_anon:40429 inactive_anon:0 isolated_anon:8581 active_file:2719 inactive_file:10423 isolated_file:1871 unevictable:0 dirty:0 writeback:0 unstable:0 free:53777 slab_reclaimable:534 slab_unreclaimable:1070 mapped:9461 shmem:2349 pagetables:1574 bounce:0 Normal free:215108kB min:2884kB low:3604kB high:4324kB = active_anon:161716kB inactive_anon:0kB active_file:10876kB = inactive_file:41692kB unevictable:0kB isolated(anon):34324kB = isolated(file):7484kB present:520192kB mlocked:0kB dirty:0kB = writeback:0kB mapped:37844kB shmem:9396kB slab_reclaimable:2136kB = slab_unreclaimable:4280kB kernel_stack:1872kB pagetables:6296kB = unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 = all_unreclaimable? no lowmem_reserve[]: 0 0 0 Normal: 31*4kB 29*8kB 20*16kB 21*32kB 22*64kB 19*128kB 20*256kB 20*512kB = 20*1024kB 3*2048kB 41*4096kB =3D 215108kB 15491 total pagecache pages 131072 pages of RAM 54222 free pages 18897 reserved pages 1603 slab pages 84289 pages shared 0 pages swap cached ------=_NextPart_000_00CA_01CB4074.51799E60-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. 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