On Thu, 7 Aug 2025 14:21, Hugh Dickins wrote: > But another idea has just this moment occurred to me: anon THP splitting > is another user of migration entries. Is it possible that kcompactd is > not actually the cause of Alexander's issue, but that his RT tasks have > (bad news! shouldn't be allowed) got anon THPs in them? No, we don't have transparent hugepages enabled. (From Kconfig, this seems not even possible together with PREEMPT_RT.)
