Given the information I got from here, the comment on the code [1] and an older commit message [2], I suspect CMA somehow influences our problem. If there is anything we should enable for better diagnosis (e.g. more ftrace events), we would be willing to try that out. [1] https://elixir.bootlin.com/linux/v6.16/source/mm/compaction.c#L1136 [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e46a28790e594c0876d1a84270926abf75460f61 Thanks, Alexander -- KUKA Deutschland GmbH Board of Directors: Michael Jürgens (Chairman), Dirk Busch, Johan Naten, Hui Zhang Registered Office: Augsburg HRB 14914 This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorized copying, disclosure or distribution of contents of this e-mail is strictly forbidden. Please consider the environment before printing this e-mail.
