On 24 Mar 2026, at 5:04, David Hildenbrand (Arm) wrote: > On 3/23/26 22:07, Matthew Wilcox wrote: >> On Mon, Mar 23, 2026 at 03:06:43PM -0400, Zi Yan wrote: >>> READ_ONLY_THP_FOR_FS is no longer present, remove related test. >> >> Um, surely we want to keep the test? It's no longer conditional on >> READ_ONLY_THP_FOR_FS being enabled, but we still want to collapse >> mapped files. > > Right, in particular this patch would also remove MADV_COLLAPSE support > (not just khugepaged support).
I will keep these selftests in the new version, since the new one aims to enable READ_ONLY_THP_FOR_FS by default for all FSes supporting large folio. Best Regards, Yan, Zi
