On Tue, Oct 08, 2024 at 06:37:47PM -0400, Zi Yan wrote: > mm/huge_memory.c | 648 ++++++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 647 insertions(+), 1 deletion(-) The idea is sane, but I think it would require a lot more ground work before getting it upstream. I don't think we can afford two parallel split implementations. folio_split() and split_huge_page*() should share the same implementation internally. Otherwise it is going to be pain to maintain them in-sync. -- Kiryl Shutsemau / Kirill A. Shutemov
