On Thu, 27 Feb 2025 18:57:17 +0000 Frank van der Linden <fvdl@xxxxxxxxxx> wrote: > SPARSEMEM_VMEMMAP_PREINIT is not useful as a user-facing > option, it is just something that should be selected > if a subsystem wishes to do vmemmap preinit. That's > currently only HUGETLB_PAGE_OPTIMIZE_VMEMMAP. > > So, make it a default-less option that is only selected > by HUGETLB_PAGE_OPTIMIZE_VMEMMAP, iff the architecture > has noted it is capable of doing hugetlb vmemmap preinit. > That is done via ARCH_WANT_HUGETLB_VMEMMAP_PREINIT, > renamed from ARCH_WANT_SPARSE_VMEMMAP_PREINIT. > I'm in a mess getting this landed in the right place in the series. We seem to have a few updates in the works so I'll drop this series again. And I'll disable Mike's "mm/mm_init: rename __init_reserved_page_zone to __init_page_from_nid" and "mm/mm_init: rename init_reserved_page to init_deferred_page" until "hugetlb/CMA improvements for large systems v5" appears.
