anon 
flags: 0x1fffc0000080034(uptodate|lru|active|swapbacked)
raw: 01fffc0000080034 ffffea0001f2dec8 ffffea0001c17648 ffff8880901f0659
raw: 0000000000001952 0000000000000000 0000000100000000 ffff88808eabc500
page dumped because: VM_BUG_ON_PAGE(page_ref_count(page))
page->mem_cgroup:ffff88808eabc500
------------[ cut here ]------------
kernel BUG at mm/internal.h:77!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1043 Comm: kcompactd0 Not tainted 5.0.0-rc1-next-20190108 #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:set_page_refcounted mm/internal.h:77 [inline]
RIP: 0010:set_page_refcounted mm/internal.h:74 [inline]
RIP: 0010:split_page+0x423/0x500 mm/page_alloc.c:3101
Code: 4c 89 e7 e8 9f f2 10 00 0f 0b 48 c7 c6 40 61 52 88 4c 89 ff e8 8e f2 10 00 0f 0b 48 c7 c6 c0 61 52 88 4c 89 ff e8 7d f2 10 00 <0f> 0b 48 c7 c6 e0 60 52 88 4c 89 e7 e8 6c f2 10 00 0f 0b 4c 89 ef
RSP: 0018:ffff8880a781ed90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffea0001c17634 RCX: 0000000000000000
RDX: ffffed1014f03d63 RSI: ffffffff81b462fe RDI: ffffed1014f03da3
RBP: ffff8880a781eec0 R08: 0000000000000021 R09: ffffed1015cc5021
R10: ffffed1015cc5020 R11: ffff8880ae628107 R12: ffff8880a781ee08
R13: dffffc0000000000 R14: ffff8880a781ee98 R15: ffffea0001c17600
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31628000 CR3: 00000000524f2000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 split_map_pages+0x452/0x780 mm/compaction.c:77
 isolate_freepages mm/compaction.c:1523 [inline]
 compaction_alloc+0x18d0/0x2810 mm/compaction.c:1537
 unmap_and_move mm/migrate.c:1177 [inline]
 migrate_pages+0x48e/0x2cc0 mm/migrate.c:1417
 compact_zone+0x2207/0x3e90 mm/compaction.c:2174
 kcompactd_do_work+0x6de/0x1200 mm/compaction.c:2565
 kcompactd+0x251/0x970 mm/compaction.c:2658
 kthread+0x357/0x430 kernel/kthread.c:247
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 17d8a5f09abb5070 ]---
RIP: 0010:set_page_refcounted mm/internal.h:77 [inline]
RIP: 0010:set_page_refcounted mm/internal.h:74 [inline]
RIP: 0010:split_page+0x423/0x500 mm/page_alloc.c:3101
Code: 4c 89 e7 e8 9f f2 10 00 0f 0b 48 c7 c6 40 61 52 88 4c 89 ff e8 8e f2 10 00 0f 0b 48 c7 c6 c0 61 52 88 4c 89 ff e8 7d f2 10 00 <0f> 0b 48 c7 c6 e0 60 52 88 4c 89 e7 e8 6c f2 10 00 0f 0b 4c 89 ef
RSP: 0018:ffff8880a781ed90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffea0001c17634 RCX: 0000000000000000
RDX: ffffed1014f03d63 RSI: ffffffff81b462fe RDI: ffffed1014f03da3
RBP: ffff8880a781eec0 R08: 0000000000000021 R09: ffffed1015cc5021
R10: ffffed1015cc5020 R11: ffff8880ae628107 R12: ffff8880a781ee08
R13: dffffc0000000000 R14: ffff8880a781ee98 R15: ffffea0001c17600
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31633000 CR3: 0000000078638000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600