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[66.187.233.206]) by smtp.gmail.com with ESMTPSA id 10sm26658307vkl.33.2019.07.30.09.25.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Jul 2019 09:25:29 -0700 (PDT) Message-ID: <1564503928.11067.32.camel@lca.pw> Subject: "mm: account nr_isolated_xxx in [isolate|putback]_lru_page" breaks OOM with swap From: Qian Cai To: Minchan Kim Cc: Andrew Morton , Johannes Weiner , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org Date: Tue, 30 Jul 2019 12:25:28 -0400 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org OOM workloads with swapping is unable to recover with linux-next since next- 20190729 due to the commit "mm: account nr_isolated_xxx in [isolate|putback]_lru_page" breaks OOM with swap" [1] [1] https://lore.kernel.org/linux-mm/20190726023435.214162-4-minchan@kernel.org/ T/#mdcd03bcb4746f2f23e6f508c205943726aee8355 For example, LTP oom01 test case is stuck for hours, while it finishes in a few minutes here after reverted the above commit. Sometimes, it prints those message while hanging. [  509.983393][  T711] INFO: task oom01:5331 blocked for more than 122 seconds. [  509.983431][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.983447][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.983477][  T711] oom01           D24656  5331   5157 0x00040000 [  509.983513][  T711] Call Trace: [  509.983538][  T711] [c00020037d00f880] [0000000000000008] 0x8 (unreliable) [  509.983583][  T711] [c00020037d00fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.983615][  T711] [c00020037d00fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.983647][  T711] [c00020037d00fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.983684][  T711] [c00020037d00fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.983727][  T711] [c00020037d00fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.983758][  T711] [c00020037d00fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.983801][  T711] [c00020037d00fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.983832][  T711] INFO: task oom01:5333 blocked for more than 122 seconds. [  509.983862][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.983887][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.983928][  T711] oom01           D26352  5333   5157 0x00040000 [  509.983964][  T711] Call Trace: [  509.983990][  T711] [c00020089ae4f880] [c0000000015d1180] rcu_lock_map+0x0/0x20 (unreliable) [  509.984038][  T711] [c00020089ae4fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.984078][  T711] [c00020089ae4fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.984121][  T711] [c00020089ae4fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.984151][  T711] [c00020089ae4fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.984193][  T711] [c00020089ae4fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.984244][  T711] [c00020089ae4fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.984284][  T711] [c00020089ae4fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.984324][  T711] INFO: task oom01:5339 blocked for more than 122 seconds. [  509.984362][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.984388][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.984429][  T711] oom01           D26352  5339   5157 0x00040000 [  509.984469][  T711] Call Trace: [  509.984493][  T711] [c00020175cd4f880] [c00020175cd4f8d0] 0xc00020175cd4f8d0 (unreliable) [  509.984545][  T711] [c00020175cd4fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.984586][  T711] [c00020175cd4fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.984628][  T711] [c00020175cd4fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.984678][  T711] [c00020175cd4fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.984732][  T711] [c00020175cd4fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.984751][  T711] [c00020175cd4fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.984791][  T711] [c00020175cd4fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.984840][  T711] INFO: task oom01:5341 blocked for more than 122 seconds. [  509.984879][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.984916][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.984966][  T711] oom01           D26352  5341   5157 0x00040000 [  509.985008][  T711] Call Trace: [  509.985032][  T711] [c000200d8aa6f880] [c000200d8aa6f8d0] 0xc000200d8aa6f8d0 (unreliable) [  509.985074][  T711] [c000200d8aa6fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.985112][  T711] [c000200d8aa6fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.985152][  T711] [c000200d8aa6fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.985191][  T711] [c000200d8aa6fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.985234][  T711] [c000200d8aa6fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.985285][  T711] [c000200d8aa6fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.985335][  T711] [c000200d8aa6fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.985387][  T711] INFO: task oom01:5348 blocked for more than 122 seconds. [  509.985424][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.985470][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.985522][  T711] oom01           D26352  5348   5157 0x00040000 [  509.985565][  T711] Call Trace: [  509.985588][  T711] [c00020089a46f880] [c00020089a46f8d0] 0xc00020089a46f8d0 (unreliable) [  509.985628][  T711] [c00020089a46fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.985669][  T711] [c00020089a46fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.985711][  T711] [c00020089a46fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.985751][  T711] [c00020089a46fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.985793][  T711] [c00020089a46fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.985836][  T711] [c00020089a46fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.985887][  T711] [c00020089a46fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.985937][  T711] INFO: task oom01:5355 blocked for more than 122 seconds. [  509.985976][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.986012][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.986054][  T711] oom01           D26352  5355   5157 0x00040000 [  509.986092][  T711] Call Trace: [  509.986125][  T711] [c0002011b220f880] [c0002011b220f8d0] 0xc0002011b220f8d0 (unreliable) [  509.986157][  T711] [c0002011b220fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.986194][  T711] [c0002011b220fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.986235][  T711] [c0002011b220fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.986273][  T711] [c0002011b220fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.986315][  T711] [c0002011b220fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.986356][  T711] [c0002011b220fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.986397][  T711] [c0002011b220fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.986437][  T711] INFO: task oom01:5356 blocked for more than 122 seconds. [  509.986474][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.986512][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.986621][  T711] oom01           D26352  5356   5157 0x00040000 [  509.986715][  T711] Call Trace: [  509.986748][  T711] [c00020107806f880] [0000000000000008] 0x8 (unreliable) [  509.986830][  T711] [c00020107806fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.986937][  T711] [c00020107806fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.987028][  T711] [c00020107806fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.987123][  T711] [c00020107806fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.987232][  T711] [c00020107806fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.987317][  T711] [c00020107806fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.987445][  T711] [c00020107806fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.987528][  T711] INFO: task oom01:5363 blocked for more than 122 seconds. [  509.987626][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.987728][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.987829][  T711] oom01           D26352  5363   5157 0x00040000 [  509.987899][  T711] Call Trace: [  509.987934][  T711] [c0002010f510f880] [c0000000015d1180] rcu_lock_map+0x0/0x20 (unreliable) [  509.988040][  T711] [c0002010f510fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.988162][  T711] [c0002010f510fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.988246][  T711] [c0002010f510fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.988322][  T711] [c0002010f510fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.988429][  T711] [c0002010f510fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.988528][  T711] [c0002010f510fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.988625][  T711] [c0002010f510fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.988737][  T711] INFO: task oom01:5364 blocked for more than 122 seconds. [  509.988836][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.988894][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.988989][  T711] oom01           D26352  5364   5157 0x00040000 [  509.989097][  T711] Call Trace: [  509.989137][  T711] [c0002017e444f880] [c0002017e444f8d0] 0xc0002017e444f8d0 (unreliable) [  509.989248][  T711] [c0002017e444fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.989345][  T711] [c0002017e444fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.989459][  T711] [c0002017e444fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.989528][  T711] [c0002017e444fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.989652][  T711] [c0002017e444fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.989747][  T711] [c0002017e444fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.989859][  T711] [c0002017e444fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.989972][  T711] INFO: task oom01:5367 blocked for more than 122 seconds. [  509.990074][  T711]       Not tainted 5.3.0-rc2-next-20190730 #7 [  509.990141][  T711] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  509.990221][  T711] oom01           D26352  5367   5157 0x00040000 [  509.990295][  T711] Call Trace: [  509.990376][  T711] [c0002008d216f880] [c0002008d216f8d0] 0xc0002008d216f8d0 (unreliable) [  509.990494][  T711] [c0002008d216fa60] [c000000000023724] __switch_to+0x3a4/0x520 [  509.990601][  T711] [c0002008d216fad0] [c0000000008d17bc] __schedule+0x2fc/0x950 [  509.990684][  T711] [c0002008d216fba0] [c0000000008d1e68] schedule+0x58/0x150 [  509.990755][  T711] [c0002008d216fbd0] [c0000000008d7614] rwsem_down_read_slowpath+0x4b4/0x630 [  509.990886][  T711] [c0002008d216fc90] [c0000000008d7dfc] down_read+0x12c/0x240 [  509.990965][  T711] [c0002008d216fd20] [c00000000005fb28] __do_page_fault+0x6f8/0xee0 [  509.991077][  T711] [c0002008d216fe20] [c00000000000a364] handle_page_fault+0x18/0x38 [  509.991187][  T711]  [  509.991187][  T711] Showing all locks held in the system: [  509.991361][  T711] 1 lock held by khungtaskd/711: [  509.991375][  T711]  #0: 000000006e6271c2 (rcu_read_lock){....}, at: debug_show_all_locks+0x50/0x170 [  509.991520][  T711] 1 lock held by systemd-udevd/1612: [  509.991577][  T711]  #0: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.991728][  T711] 1 lock held by oom01/5331: [  509.991766][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.991876][  T711] 2 locks held by oom01/5332: [  509.991930][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.992037][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.992174][  T711] 1 lock held by oom01/5333: [  509.992228][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.992350][  T711] 2 locks held by oom01/5334: [  509.992407][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.992524][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.992631][  T711] 1 lock held by oom01/5335: [  509.992707][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.992828][  T711] 2 locks held by oom01/5336: [  509.992890][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.992996][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.993135][  T711] 1 lock held by oom01/5337: [  509.993202][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.993352][  T711] 2 locks held by oom01/5338: [  509.993395][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.993519][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.993647][  T711] 1 lock held by oom01/5339: [  509.993694][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.993800][  T711] 2 locks held by oom01/5340: [  509.993874][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.994014][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.994157][  T711] 1 lock held by oom01/5341: [  509.994229][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.994328][  T711] 2 locks held by oom01/5342: [  509.994382][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.994511][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.994638][  T711] 2 locks held by oom01/5343: [  509.994729][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.994825][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.994976][  T711] 2 locks held by oom01/5344: [  509.995036][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.995134][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.995258][  T711] 2 locks held by oom01/5345: [  509.995306][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.995432][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.995540][  T711] 2 locks held by oom01/5346: [  509.995601][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.995704][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.995822][  T711] 2 locks held by oom01/5347: [  509.995898][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.996025][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.996143][  T711] 1 lock held by oom01/5348: [  509.996208][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.996313][  T711] 2 locks held by oom01/5349: [  509.996369][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.996497][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.996621][  T711] 1 lock held by oom01/5350: [  509.996675][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.996791][  T711] 2 locks held by oom01/5351: [  509.996837][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.996946][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.997067][  T711] 1 lock held by oom01/5352: [  509.997126][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.997258][  T711] 2 locks held by oom01/5353: [  509.997295][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.997400][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.997533][  T711] 2 locks held by oom01/5354: [  509.997595][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.997711][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.997837][  T711] 1 lock held by oom01/5355: [  509.997886][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.998005][  T711] 1 lock held by oom01/5356: [  509.998056][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.998169][  T711] 1 lock held by oom01/5357: [  509.998221][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.998357][  T711] 2 locks held by oom01/5358: [  509.998395][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.998507][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.998632][  T711] 2 locks held by oom01/5359: [  509.998672][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.998805][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.998917][  T711] 2 locks held by oom01/5360: [  509.998967][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.999069][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.999178][  T711] 2 locks held by oom01/5361: [  509.999250][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.999373][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.999483][  T711] 2 locks held by oom01/5362: [  509.999552][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  509.999638][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  509.999763][  T711] 1 lock held by oom01/5363: [  509.999833][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  509.999932][  T711] 1 lock held by oom01/5364: [  510.000003][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.000136][  T711] 2 locks held by oom01/5365: [  510.000174][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.000289][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.000421][  T711] 1 lock held by oom01/5366: [  510.000471][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.000593][  T711] 1 lock held by oom01/5367: [  510.000650][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.000762][  T711] 2 locks held by oom01/5368: [  510.000799][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.000920][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.001038][  T711] 2 locks held by oom01/5369: [  510.001115][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.001249][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.001354][  T711] 1 lock held by oom01/5370: [  510.001404][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.001546][  T711] 2 locks held by oom01/5371: [  510.001579][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.001701][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.001809][  T711] 1 lock held by oom01/5372: [  510.001876][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.001979][  T711] 2 locks held by oom01/5373: [  510.002034][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.002148][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.002272][  T711] 1 lock held by oom01/5374: [  510.002337][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.002473][  T711] 2 locks held by oom01/5375: [  510.002521][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.002627][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.002755][  T711] 2 locks held by oom01/5376: [  510.002809][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.002950][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.003064][  T711] 1 lock held by oom01/5377: [  510.003118][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.003241][  T711] 2 locks held by oom01/5378: [  510.003310][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.003403][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.003543][  T711] 2 locks held by oom01/5379: [  510.003610][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.003708][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.003830][  T711] 1 lock held by oom01/5380: [  510.003891][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.004021][  T711] 1 lock held by oom01/5381: [  510.004071][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.004183][  T711] 2 locks held by oom01/5382: [  510.004250][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.004369][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.004486][  T711] 2 locks held by oom01/5383: [  510.004558][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.004692][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.004797][  T711] 1 lock held by oom01/5384: [  510.004865][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.004962][  T711] 1 lock held by oom01/5385: [  510.005002][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: vm_mmap_pgoff+0x8c/0x160 [  510.005128][  T711] 1 lock held by oom01/5386: [  510.005203][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.005318][  T711] 2 locks held by oom01/5387: [  510.005385][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.005490][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.005604][  T711] 2 locks held by oom01/5388: [  510.005662][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.005798][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.005908][  T711] 2 locks held by oom01/5389: [  510.005978][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.006093][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.006206][  T711] 2 locks held by oom01/5390: [  510.006257][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.006380][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.006510][  T711] 1 lock held by oom01/5391: [  510.006569][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.006686][  T711] 2 locks held by oom01/5392: [  510.006743][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.006849][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.006985][  T711] 2 locks held by oom01/5393: [  510.007044][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.007143][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.007256][  T711] 1 lock held by oom01/5394: [  510.007315][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.007426][  T711] 2 locks held by oom01/5395: [  510.007504][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.007615][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.007753][  T711] 2 locks held by oom01/5396: [  510.007802][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.007901][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.008026][  T711] 2 locks held by oom01/5397: [  510.008099][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.008209][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.008321][  T711] 2 locks held by oom01/5398: [  510.008380][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.008465][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.008599][  T711] 2 locks held by oom01/5399: [  510.008673][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.008791][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.008908][  T711] 2 locks held by oom01/5400: [  510.008977][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.009076][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.009194][  T711] 2 locks held by oom01/5401: [  510.009265][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.009376][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.009487][  T711] 2 locks held by oom01/5402: [  510.009546][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.009655][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.009772][  T711] 2 locks held by oom01/5403: [  510.009843][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.009973][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.010085][  T711] 2 locks held by oom01/5404: [  510.010152][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.010253][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.010386][  T711] 2 locks held by oom01/5405: [  510.010448][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.010578][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.010677][  T711] 2 locks held by oom01/5406: [  510.010736][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.010846][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.010974][  T711] 2 locks held by oom01/5407: [  510.011051][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.011141][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.011274][  T711] 2 locks held by oom01/5408: [  510.011314][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.011424][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.011554][  T711] 2 locks held by oom01/5409: [  510.011617][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.011745][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.011851][  T711] 2 locks held by oom01/5410: [  510.011902][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.012030][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.012150][  T711] 2 locks held by oom01/5411: [  510.012225][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.012345][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.012465][  T711] 2 locks held by oom01/5412: [  510.012505][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.012617][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.012748][  T711] 1 lock held by oom01/5413: [  510.012817][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.012928][  T711] 2 locks held by oom01/5414: [  510.012974][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.013088][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.013233][  T711] 2 locks held by oom01/5415: [  510.013301][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.013422][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.013535][  T711] 2 locks held by oom01/5416: [  510.013584][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.013700][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.013809][  T711] 2 locks held by oom01/5417: [  510.013875][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.013987][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.014110][  T711] 2 locks held by oom01/5418: [  510.014172][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.014271][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.014409][  T711] 2 locks held by oom01/5419: [  510.014462][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.014591][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.014696][  T711] 2 locks held by oom01/5420: [  510.014757][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.014880][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.014997][  T711] 2 locks held by oom01/5421: [  510.015055][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.015189][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.015303][  T711] 2 locks held by oom01/5422: [  510.015371][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.015514][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.015626][  T711] 1 lock held by oom01/5423: [  510.015682][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.015808][  T711] 2 locks held by oom01/5424: [  510.015857][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.015979][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.016073][  T711] 2 locks held by oom01/5425: [  510.016149][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.016253][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.016388][  T711] 2 locks held by oom01/5426: [  510.016435][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.016556][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.016674][  T711] 2 locks held by oom01/5427: [  510.016733][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.016870][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.016983][  T711] 2 locks held by oom01/5428: [  510.017034][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.017158][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.017266][  T711] 2 locks held by oom01/5429: [  510.017346][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.017461][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.017586][  T711] 1 lock held by oom01/5430: [  510.017633][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.017743][  T711] 2 locks held by oom01/5431: [  510.017779][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.017906][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.018042][  T711] 2 locks held by oom01/5432: [  510.018102][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.018216][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.018353][  T711] 2 locks held by oom01/5433: [  510.018393][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.018503][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.018633][  T711] 2 locks held by oom01/5434: [  510.018695][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.018800][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.018918][  T711] 2 locks held by oom01/5435: [  510.018956][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.019083][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.019203][  T711] 2 locks held by oom01/5436: [  510.019282][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.019383][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.019507][  T711] 2 locks held by oom01/5437: [  510.019552][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.019674][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.019811][  T711] 2 locks held by oom01/5438: [  510.019874][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.019990][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.020109][  T711] 1 lock held by oom01/5439: [  510.020158][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.020267][  T711] 2 locks held by oom01/5440: [  510.020321][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.020442][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.020558][  T711] 2 locks held by oom01/5441: [  510.020613][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.020728][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.020838][  T711] 1 lock held by oom01/5442: [  510.020909][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.021043][  T711] 2 locks held by oom01/5443: [  510.021107][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.021217][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.021321][  T711] 2 locks held by oom01/5444: [  510.021383][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.021521][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.021632][  T711] 2 locks held by oom01/5445: [  510.021697][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.021804][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.021905][  T711] 2 locks held by oom01/5446: [  510.021977][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.022087][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.022225][  T711] 2 locks held by oom01/5447: [  510.022279][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.022379][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.022504][  T711] 2 locks held by oom01/5448: [  510.022574][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.022697][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.022825][  T711] 2 locks held by oom01/5449: [  510.022866][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.022975][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.023085][  T711] 2 locks held by oom01/5450: [  510.023164][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.023289][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.023408][  T711] 2 locks held by oom01/5451: [  510.023471][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.023565][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.023696][  T711] 2 locks held by oom01/5452: [  510.023766][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.023880][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.024007][  T711] 2 locks held by oom01/5453: [  510.024074][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.024203][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.024284][  T711] 2 locks held by oom01/5454: [  510.024368][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.024472][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.024593][  T711] 2 locks held by oom01/5455: [  510.024647][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.024772][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.024877][  T711] 2 locks held by oom01/5456: [  510.024925][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x188/0xee0 [  510.025034][  T711]  #1: 000000009cc1462e (fs_reclaim){....}, at: fs_reclaim_acquire.part.17+0x10/0x60 [  510.025150][  T711] 1 lock held by oom01/5457: [  510.025197][  T711]  #0: 00000000cd010082 (&mm->mmap_sem){....}, at: __do_page_fault+0x6f8/0xee0 [  510.025332][  T711]  [  510.025352][  T711] ============================================= [  510.025352][  T711]