Hi all, when running xfstests on nfs against a local server I see warnings like the ones above, which appear to have been added in commit e0932b6c1f94 (mm: page_alloc: consolidate free page accounting"). Here is a typical backtrace: generic/154 109s ... [ 617.027401] run fstests generic/154 at 2024-05-27 08:53:22 [ 628.242905] ------------[ cut here ]------------ [ 628.243233] page type is 3, passed migratetype is 1 (nr=512) [ 628.243595] WARNING: CPU: 1 PID: 3608 at mm/page_alloc.c:645 expand+0x1c5/0x1f0 [ 628.244017] Modules linked in: crc32_pclmul i2c_piix4 [ 628.244321] CPU: 1 PID: 3608 Comm: nfsd Not tainted 6.10.0-rc1+ #2435 [ 628.244711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 628.245270] RIP: 0010:expand+0x1c5/0x1f0 [ 628.245514] Code: 05 16 70 bf 02 01 e8 ca fc ff ff 8b 54 24 34 44 89 e1 48 c7 c7 80 a2 28 83 48 89 c6 b8 01 00 00 00 d3 e0 83 [ 628.246610] RSP: 0018:ffffc9000151f6f8 EFLAGS: 00010082 [ 628.246920] RAX: 0000000000000000 RBX: ffffffff83fa9480 RCX: 0000000000000000 [ 628.247337] RDX: 0000000000000003 RSI: 0000000000000027 RDI: 00000000ffffffff [ 628.247760] RBP: 0000000000174200 R08: 00000000fffeffff R09: 0000000000000001 [ 628.248175] R10: 0000000000000000 R11: ffffffff83676200 R12: 0000000000000009 [ 628.248603] R13: 0000000000000200 R14: 0000000000000001 R15: ffffea0005d08000 [ 628.249022] FS: 0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 [ 628.249499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 628.249841] CR2: 00005643a0160004 CR3: 000000000365a001 CR4: 0000000000770ef0 [ 628.250265] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 628.250697] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400 [ 628.251121] PKRU: 55555554 [ 628.251285] Call Trace: [ 628.251436] <TASK> [ 628.251572] ? __warn+0x7b/0x120 [ 628.251769] ? expand+0x1c5/0x1f0 [ 628.251969] ? report_bug+0x191/0x1c0 [ 628.252202] ? handle_bug+0x3c/0x80 [ 628.252413] ? exc_invalid_op+0x17/0x70 [ 628.252646] ? asm_exc_invalid_op+0x1a/0x20 [ 628.252899] ? expand+0x1c5/0x1f0 [ 628.253100] ? expand+0x1c5/0x1f0 [ 628.253299] ? __free_one_page+0x5e4/0x750 [ 628.253549] get_page_from_freelist+0x305/0xf00 [ 628.253822] __alloc_pages_slowpath.constprop.0+0x42b/0xca0 [ 628.254148] __alloc_pages_noprof+0x2b9/0x2e0 [ 628.254408] __folio_alloc_noprof+0x10/0xa0 [ 628.254661] __filemap_get_folio+0x16b/0x370 [ 628.254915] iomap_write_begin+0x496/0x680 [ 628.255159] iomap_file_buffered_write+0x17f/0x440 [ 628.255441] ? __break_lease+0x469/0x710 [ 628.255682] xfs_file_buffered_write+0x7e/0x2a0 [ 628.255952] do_iter_readv_writev+0x107/0x200 [ 628.256213] vfs_iter_write+0x9e/0x240 [ 628.256436] nfsd_vfs_write+0x188/0x5a0 [ 628.256673] nfsd4_write+0x133/0x1c0 [ 628.256888] nfsd4_proc_compound+0x2e3/0x5f0 [ 628.257144] nfsd_dispatch+0xc8/0x210 [ 628.257363] svc_process_common+0x4cf/0x700 [ 628.257619] ? __pfx_nfsd_dispatch+0x10/0x10 [ 628.257873] svc_process+0x13e/0x190 [ 628.258086] svc_recv+0x838/0xa00 [ 628.258286] ? __pfx_nfsd+0x10/0x10 [ 628.258500] nfsd+0x82/0xf0 [ 628.258668] kthread+0xd9/0x110 [ 628.258900] ? __pfx_kthread+0x10/0x10 [ 628.259192] ret_from_fork+0x2c/0x50 [ 628.259477] ? __pfx_kthread+0x10/0x10 [ 628.259763] ret_from_fork_asm+0x1a/0x30 [ 628.260070] </TASK> [ 628.260244] ---[ end trace 0000000000000000 ]---