[12411.268143] kswapd0: page allocation failure: order:0, mode:0xa20(GFP_ATOMIC), nodemask=(null),cpuset=/,mems_allowed=0
[12411.268179] CPU: 0 PID: 83 Comm: kswapd0 Not tainted 5.8.0-48-generic #54~20.04.1-Ubuntu
[12411.268180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[12411.268181] Call Trace:
[12411.268184]  <IRQ>
[12411.268201]  dump_stack+0x74/0x92
[12411.268205]  warn_alloc.cold+0x7b/0xdf
[12411.268209]  ? get_page_from_freelist+0x197/0x370
[12411.268211]  __alloc_pages_slowpath.constprop.0+0xde1/0xe20
[12411.268213]  ? get_page_from_freelist+0x197/0x370
[12411.268214]  __alloc_pages_nodemask+0x2bc/0x2f0
[12411.268216]  page_frag_alloc+0x162/0x1a0
[12411.268220]  __napi_alloc_skb+0x95/0xf0
[12411.268225]  page_to_skb+0x64/0x350 [virtio_net]
[12411.268227]  receive_mergeable+0x5de/0xe20 [virtio_net]
[12411.268231]  ? inet_gro_receive+0x235/0x2e0
[12411.268234]  receive_buf+0x25f/0x520 [virtio_net]
[12411.268236]  virtnet_poll+0x15f/0x352 [virtio_net]
[12411.268238]  net_rx_action+0x142/0x390
[12411.268245]  __do_softirq+0xe1/0x2d6
[12411.268247]  asm_call_irq_on_stack+0x12/0x20
[12411.268248]  </IRQ>
[12411.268251]  do_softirq_own_stack+0x3d/0x50
[12411.268255]  irq_exit_rcu+0xa4/0xb0
[12411.268257]  common_interrupt+0x7c/0x150
[12411.268258]  asm_common_interrupt+0x1e/0x40
[12411.268262] RIP: 0010:super_cache_count+0x40/0x100
[12411.268263] Code: 00 00 00 55 48 89 e5 41 56 41 55 49 89 f5 41 54 49 89 fc 53 48 8b 87 08 fc ff ff 45 31 f6 48 85 c0 74 1b 48 8b 80 c0 00 00 00 <48> 85 c0 74 0f 48 8d bf d8 fb ff ff e8 af 24 b1 00 49 89 c6 49 8b
[12411.268264] RSP: 0018:ffffa98640163bc0 EFLAGS: 00000282
[12411.268265] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000400
[12411.268266] RDX: 0000000000000000 RSI: ffffa98640163c78 RDI: ffff8fd319beac28
[12411.268266] RBP: ffffa98640163be0 R08: 0000000020000000 R09: 0000000000000000
[12411.268267] R10: 0000000000000000 R11: 0000000000000520 R12: ffff8fd319beac28
[12411.268267] R13: ffffa98640163c78 R14: 0000000000000000 R15: ffff8fd319beac28
[12411.268272]  do_shrink_slab+0x58/0x2a0
[12411.268274]  ? update_load_avg+0x7c/0x640
[12411.268275]  shrink_slab+0xac/0x2a0
[12411.268277]  shrink_node+0x1bd/0x6a0
[12411.268279]  balance_pgdat+0x308/0x620
[12411.268281]  kswapd+0x1f8/0x3c0
[12411.268283]  ? wait_woken+0x80/0x80
[12411.268285]  kthread+0x114/0x150
[12411.268285]  ? balance_pgdat+0x620/0x620
[12411.268286]  ? kthread_park+0x90/0x90
[12411.268289]  ret_from_fork+0x22/0x30
[12411.268291] Mem-Info:
[12411.268294] active_anon:8230 inactive_anon:10579 isolated_anon:0
                active_file:13427 inactive_file:66487 isolated_file:0
                unevictable:0 dirty:7994 writeback:0
                slab_reclaimable:9361 slab_unreclaimable:6410
                mapped:12163 shmem:87 pagetables:414 bounce:0
                free:2249 free_pcp:0 free_cma:0
[12411.268296] Node 0 active_anon:32920kB inactive_anon:42316kB active_file:53708kB inactive_file:265948kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48652kB dirty:31976kB writeback:0kB shmem:348kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB all_unreclaimable? no
[12411.268296] Node 0 DMA free:4096kB min:92kB low:112kB high:132kB reserved_highatomic:4096KB active_anon:24kB inactive_anon:120kB active_file:116kB inactive_file:6760kB unevictable:0kB writepending:468kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[12411.268306] lowmem_reserve[]: 0 436 436 436 436
[12411.268307] Node 0 DMA32 free:4900kB min:2624kB low:3280kB high:3936kB reserved_highatomic:8192KB active_anon:32896kB inactive_anon:42196kB active_file:53592kB inactive_file:259204kB unevictable:0kB writepending:31508kB present:507752kB managed:473004kB mlocked:0kB kernel_stack:1808kB pagetables:1656kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[12411.268309] lowmem_reserve[]: 0 0 0 0 0
[12411.268311] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 2*2048kB (H) 0*4096kB = 4096kB
[12411.268315] Node 0 DMA32: 77*4kB (H) 52*8kB (H) 25*16kB (H) 16*32kB (H) 9*64kB (H) 3*128kB (H) 3*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 4900kB
[12411.268341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[12411.268348] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[12411.268349] 80494 total pagecache pages
[12411.268360] 482 pages in swap cache
[12411.268360] Swap cache stats: add 9394, delete 8912, find 28168/28833
[12411.268361] Free swap  = 493168kB
[12411.268361] Total swap = 524284kB
[12411.268361] 130936 pages RAM
[12411.268362] 0 pages HighMem/MovableOnly
[12411.268362] 8708 pages reserved
[12411.268362] 0 pages hwpoisoned