On Tue, Feb 27, 2024 at 10:13:38AM -0800, Jianfeng Wang wrote: > Change cma_alloc() to return struct folio. This further increases the > usage of folios in mm/hugetlb. I love the idea, but I don't think this works. The memory returned from cma_alloc() isn't set up to be a folio, is it? That is, it doesn't have compound_head initialised so that page_folio() on consecutive pages will return the same pointer. Or have I misunderstood?
