Hi, On (23/01/16 09:27), Huang, Ying wrote: > >> [ 59.546261] Call Trace: > >> [ 59.546833] <TASK> > >> [ 59.547371] ? lock_is_held_type+0xd9/0x130 > >> [ 59.548331] migrate_pages_batch+0x650/0xdc0 > >> [ 59.549326] ? move_freelist_tail+0xc0/0xc0 > >> [ 59.550281] ? isolate_freepages+0x290/0x290 > >> [ 59.551289] ? folio_flags.constprop.0+0x50/0x50 > >> [ 59.552348] migrate_pages+0x3fa/0x4d0 > >> [ 59.553224] ? isolate_freepages+0x290/0x290 > >> [ 59.554214] ? move_freelist_tail+0xc0/0xc0 > >> [ 59.555173] compact_zone+0x51b/0x6a0 > >> [ 59.556031] proactive_compact_node+0x8e/0xe0 > >> [ 59.557033] kcompactd+0x1c3/0x350 > >> [ 59.557842] ? swake_up_all+0xe0/0xe0 > >> [ 59.558699] ? kcompactd_do_work+0x260/0x260 > >> [ 59.559703] kthread+0xec/0x110 > >> [ 59.560450] ? kthread_complete_and_exit+0x20/0x20 > >> [ 59.561582] ret_from_fork+0x1f/0x30 > >> [ 59.562427] </TASK> > >> [ 59.562966] Modules linked in: deflate zlib_deflate zstd zstd_compress zram > >> [ 59.564591] ---[ end trace 0000000000000000 ]--- > >> [ 59.565661] RIP: 0010:move_to_new_folio+0x362/0x3b0 > > Thanks for reporting. We have just fixed a ZRAM related bug in > migrate_pages() batching series with the help of Mike. Oh, great. Yeah, I narroved it down to that series as well. > https://lore.kernel.org/linux-mm/Y8DizzvFXBSEPzI4@monkey/ That fixes it!
