On Sat, May 27, 2023 at 01:41:44PM +0300, Mike Rapoport wrote: > Sorry if I wasn't clear, by "page table page" I meant the page (or memory > for that matter) for actual page table rather than struct page describing > that memory. > > So what we allocate here is the actual memory for the page tables and not > the memory for the metadata. That's why I think the name ptdesc_alloc is > confusing. But that's going to be the common pattern in the Glorious Future. You allocate a folio and that includes both the folio memory descriptor and the 2^n pages of memory described by that folio. Similarly for all the other memory descriptors.
