From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>, Rik van Riel <riel@surriel.com>,
Vlastimil Babka <vbabka@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis
Date: Tue, 19 Jul 2016 17:30:31 +0900 [thread overview]
Message-ID: <20160719083031.GD17479@js1304-P5Q-DELUXE> (raw)
In-Reply-To: <20160718142714.GA10438@techsingularity.net>
On Mon, Jul 18, 2016 at 03:27:14PM +0100, Mel Gorman wrote:
> On Mon, Jul 18, 2016 at 01:11:22PM +0100, Mel Gorman wrote:
> > The all_unreclaimable logic is related to the number of pages scanned
> > but currently pages skipped contributes to pages scanned. That is one
> > possibility. The other is that if all pages scanned are skipped then the
> > OOM killer can believe there is zero progress.
> >
> > Try this to start with;
> >
>
> And if that fails, try this heavier handed version that will scan the full
> LRU potentially to isolate at least a single page if it's available for
> zone-constrained allocations. It's compile-tested only
I tested both patches but they don't work for me. Notable difference
is that all_unreclaimable is now "no".
Just attach the oops log from heavier version.
Thanks.
fork invoked oom-killer: gfp_mask=0x27000c0(GFP_KERNEL_ACCOUNT|__GFP_NOTRACK), order=2, oom_score_adj=0
fork cpuset=/ mems_allowed=0
CPU: 1 PID: 7484 Comm: fork Not tainted 4.7.0-rc7-next-20160713+ #657
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.1-0-gb3ef39f-prebuilt.qemu-project.org 04/01/2014
0000000000000000 ffff880019f6bb18 ffffffff8142b8d3 ffff880019f6bd20
ffff88001c2c2500 ffff880019f6bb90 ffffffff81240b7e ffffffff81e6f0e0
ffff880019f6bb40 ffffffff810de08d ffff880019f6bb60 0000000000000206
Call Trace:
[<ffffffff8142b8d3>] dump_stack+0x85/0xc2
[<ffffffff81240b7e>] dump_header+0x5c/0x22e
[<ffffffff810de08d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff811b3381>] oom_kill_process+0x221/0x3f0
[<ffffffff810901b7>] ? has_capability_noaudit+0x17/0x20
[<ffffffff811b3acf>] out_of_memory+0x52f/0x560
[<ffffffff811b377c>] ? out_of_memory+0x1dc/0x560
[<ffffffff811ba004>] __alloc_pages_nodemask+0x1154/0x11b0
[<ffffffff810813a1>] ? copy_process.part.30+0x121/0x1bf0
[<ffffffff810813a1>] copy_process.part.30+0x121/0x1bf0
[<ffffffff811ebb16>] ? handle_mm_fault+0xb36/0x13d0
[<ffffffff810fb60d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[<ffffffff81083066>] _do_fork+0xe6/0x6a0
[<ffffffff810836c9>] SyS_clone+0x19/0x20
[<ffffffff81003e13>] do_syscall_64+0x73/0x1e0
[<ffffffff81858ec3>] entry_SYSCALL64_slow_path+0x25/0x25
Mem-Info:
active_anon:23909 inactive_anon:18 isolated_anon:0
active_file:289985 inactive_file:101445 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:6696 slab_unreclaimable:22083
mapped:381662 shmem:95 pagetables:21600 bounce:0
free:8378 free_pcp:227 free_cma:0
Node 0 active_anon:95676kB inactive_anon:72kB active_file:1160056kB inactive_file:405792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1526812kB dirty:4kB writeback:0kB shmem:0kB shmem_thp
: 0kB shmem_pmdmapped: 0kB anon_thp: 380kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:2176kB min:204kB low:252kB high:300kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:2328kB kernel_stack:1472kB pagetables:2940kB bounce:0kB free_pcp:0k
B local_pcp:0kB free_cma:0kB node_pages_scanned:1668
lowmem_reserve[]: 0 493 493 1955
Node 0 DMA32 free:8188kB min:6492kB low:8112kB high:9732kB present:2080632kB managed:508600kB mlocked:0kB slab_reclaimable:26784kB slab_unreclaimable:86004kB kernel_stack:40704kB pagetables:83460kB bounce:
0kB free_pcp:208kB local_pcp:0kB free_cma:0kB node_pages_scanned:12000
lowmem_reserve[]: 0 0 0 1462
Node 0 Movable free:23648kB min:19256kB low:24068kB high:28880kB present:1535864kB managed:1500964kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_
pcp:748kB local_pcp:0kB free_cma:0kB node_pages_scanned:12000
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 2*4kB (M) 0*8kB 2*16kB (UM) 2*32kB (UM) 0*64kB 2*128kB (UM) 1*256kB (U) 1*512kB (M) 1*1024kB (M) 0*2048kB 0*4096kB = 2152kB
Node 0 DMA32: 21*4kB (EH) 14*8kB (UMEH) 14*16kB (UMEH) 17*32kB (UM) 11*64kB (ME) 13*128kB (UME) 14*256kB (UME) 1*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 8452kB
Node 0 Movable: 87*4kB (M) 106*8kB (M) 82*16kB (M) 39*32kB (M) 11*64kB (M) 4*128kB (M) 0*256kB 1*512kB (M) 0*1024kB 1*2048kB (M) 4*4096kB (M) = 23916kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
391491 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
908122 pages RAM
0 pages HighMem/MovableOnly
401754 pages reserved
0 pages cma reserved
0 pages hwpoisoned
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next prev parent reply other threads:[~2016-07-19 8:26 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-01 20:01 [PATCH 00/31] Move LRU page reclaim from zones to nodes v8 Mel Gorman
2016-07-01 20:01 ` [PATCH 01/31] mm, vmstat: add infrastructure for per-node vmstats Mel Gorman
2016-07-04 23:50 ` Minchan Kim
2016-07-05 8:14 ` Mel Gorman
2016-07-06 0:15 ` Minchan Kim
2016-07-01 20:01 ` [PATCH 02/31] mm, vmscan: move lru_lock to the node Mel Gorman
2016-07-05 0:03 ` Minchan Kim
2016-07-01 20:01 ` [PATCH 03/31] mm, vmscan: move LRU lists to node Mel Gorman
2016-07-05 1:19 ` Minchan Kim
2016-07-05 10:14 ` Mel Gorman
2016-07-01 20:01 ` [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis Mel Gorman
2016-07-07 1:12 ` Joonsoo Kim
2016-07-07 9:48 ` Mel Gorman
2016-07-08 2:28 ` Joonsoo Kim
2016-07-08 10:05 ` Mel Gorman
2016-07-14 6:28 ` Joonsoo Kim
2016-07-14 7:48 ` Vlastimil Babka
2016-07-18 4:52 ` Joonsoo Kim
2016-07-18 12:11 ` Mel Gorman
2016-07-18 14:27 ` Mel Gorman
2016-07-19 8:30 ` Joonsoo Kim [this message]
2016-07-19 14:25 ` Mel Gorman
2016-07-01 20:01 ` [PATCH 05/31] mm, vmscan: have kswapd only scan based on the highest requested zone Mel Gorman
2016-07-01 20:01 ` [PATCH 06/31] mm, vmscan: make kswapd reclaim in terms of nodes Mel Gorman
2016-07-01 20:01 ` [PATCH 07/31] mm, vmscan: remove balance gap Mel Gorman
2016-07-01 20:01 ` [PATCH 08/31] mm, vmscan: simplify the logic deciding whether kswapd sleeps Mel Gorman
2016-07-05 5:59 ` Minchan Kim
2016-07-05 10:26 ` Mel Gorman
2016-07-06 0:30 ` Minchan Kim
2016-07-06 8:31 ` Mel Gorman
2016-07-07 5:51 ` Minchan Kim
2016-07-07 9:56 ` Mel Gorman
2016-07-07 1:20 ` Joonsoo Kim
2016-07-07 10:17 ` Mel Gorman
2016-07-08 2:44 ` Joonsoo Kim
2016-07-08 10:11 ` Mel Gorman
2016-07-14 5:23 ` Joonsoo Kim
2016-07-14 8:32 ` Vlastimil Babka
2016-07-18 5:07 ` Joonsoo Kim
2016-07-18 6:51 ` Vlastimil Babka
2016-07-18 7:24 ` Joonsoo Kim
2016-07-14 9:05 ` Mel Gorman
2016-07-18 5:03 ` Joonsoo Kim
2016-07-01 20:01 ` [PATCH 09/31] mm, vmscan: by default have direct reclaim only shrink once per node Mel Gorman
2016-07-07 1:43 ` Joonsoo Kim
2016-07-07 10:27 ` Mel Gorman
2016-07-01 20:01 ` [PATCH 10/31] mm, vmscan: remove duplicate logic clearing node congestion and dirty state Mel Gorman
2016-07-01 20:01 ` [PATCH 11/31] mm: vmscan: do not reclaim from kswapd if there is any eligible zone Mel Gorman
2016-07-05 6:11 ` Minchan Kim
2016-07-05 10:38 ` Mel Gorman
2016-07-06 1:25 ` Minchan Kim
2016-07-06 8:42 ` Mel Gorman
2016-07-07 6:27 ` Minchan Kim
2016-07-07 10:55 ` Mel Gorman
2016-07-01 20:01 ` [PATCH 12/31] mm, vmscan: make shrink_node decisions more node-centric Mel Gorman
2016-07-05 6:24 ` Minchan Kim
2016-07-05 10:40 ` Mel Gorman
2016-07-01 20:01 ` [PATCH 13/31] mm, memcg: move memcg limit enforcement from zones to nodes Mel Gorman
2016-07-01 20:01 ` [PATCH 14/31] mm, workingset: make working set detection node-aware Mel Gorman
2016-07-01 20:01 ` [PATCH 15/31] mm, page_alloc: consider dirtyable memory in terms of nodes Mel Gorman
2016-07-01 20:01 ` [PATCH 16/31] mm: move page mapped accounting to the node Mel Gorman
2016-07-01 20:01 ` [PATCH 17/31] mm: rename NR_ANON_PAGES to NR_ANON_MAPPED Mel Gorman
2016-07-01 20:01 ` [PATCH 18/31] mm: move most file-based accounting to the node Mel Gorman
2016-07-01 20:01 ` [PATCH 19/31] mm: move vmscan writes and file write " Mel Gorman
2016-07-01 20:01 ` [PATCH 20/31] mm, vmscan: only wakeup kswapd once per node for the requested classzone Mel Gorman
2016-07-07 1:24 ` Joonsoo Kim
2016-07-07 10:58 ` Mel Gorman
2016-07-01 20:01 ` [PATCH 21/31] mm, page_alloc: Wake kswapd based on the highest eligible zone Mel Gorman
2016-07-01 20:01 ` [PATCH 22/31] mm: convert zone_reclaim to node_reclaim Mel Gorman
2016-07-01 20:01 ` [PATCH 23/31] mm, vmscan: Avoid passing in classzone_idx unnecessarily to shrink_node Mel Gorman
2016-07-01 20:01 ` [PATCH 24/31] mm, vmscan: Avoid passing in classzone_idx unnecessarily to compaction_ready Mel Gorman
2016-07-01 20:01 ` [PATCH 25/31] mm, vmscan: add classzone information to tracepoints Mel Gorman
2016-07-01 20:01 ` [PATCH 26/31] mm, page_alloc: remove fair zone allocation policy Mel Gorman
2016-07-01 20:01 ` [PATCH 27/31] mm: page_alloc: cache the last node whose dirty limit is reached Mel Gorman
2016-07-01 20:01 ` [PATCH 28/31] mm: vmstat: replace __count_zone_vm_events with a zone id equivalent Mel Gorman
2016-07-01 20:01 ` [PATCH 29/31] mm: vmstat: account per-zone stalls and pages skipped during reclaim Mel Gorman
2016-07-01 20:01 ` [PATCH 30/31] mm, vmstat: print node-based stats in zoneinfo file Mel Gorman
2016-07-01 20:01 ` [PATCH 31/31] mm, vmstat: Remove zone and node double accounting by approximating retries Mel Gorman
2016-07-06 0:02 ` Minchan Kim
2016-07-06 8:58 ` Mel Gorman
2016-07-06 9:33 ` Mel Gorman
2016-07-07 6:47 ` Minchan Kim
2016-07-06 18:12 ` Dave Hansen
2016-07-07 11:26 ` Mel Gorman
2016-07-04 1:37 ` [PATCH 00/31] Move LRU page reclaim from zones to nodes v8 Minchan Kim
2016-07-04 4:34 ` Mel Gorman
2016-07-04 8:04 ` Minchan Kim
2016-07-04 9:55 ` Mel Gorman
2016-07-06 1:51 ` Minchan Kim
[not found] <009e01d1d5d8$fcf06440$f6d12cc0$@alibaba-inc.com>
2016-07-04 10:08 ` [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis Hillf Danton
2016-07-04 10:33 ` Mel Gorman
2016-07-05 3:17 ` Hillf Danton
-- strict thread matches above, loose matches on Subject: below --
2016-07-01 15:37 [PATCH 00/31] Move LRU page reclaim from zones to nodes v8 Mel Gorman
2016-07-01 15:37 ` [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis Mel Gorman
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