On (24/02/22 18:27), Yosry Ahmed wrote: > I also don't see any recent changes in mm/zsmalloc.c that modify this > code, so maybe it wasn't introduce in 6.7. I will defer to Minchan and > Sergey, I don't think zswap is an active actor in this bug report. Yeah. [1] are the only recent zsmalloc patches I can recall, and those patches touch zsmalloc locking (zspages migration/compaction). https://lore.kernel.org/lkml/20240219-b4-szmalloc-migrate-v1-0-34cd49c6545b@xxxxxxxxxxxxx/