On Thu, Apr 22, 2021 at 11:48:58AM +0200, David Hildenbrand wrote: > > > > > IOW, avoiding having to adjust generic pfn_valid()/pfn_to_online_page() at > > > all. Am i missing something or should that be possible? > > > > We are back again to the question "should arm64 free its memmap". > > If the answer is no, we don't need arm64::pfn_valid() for SPARSEMEM at all. > > If the answer is yes, Anshuman's patch is way better than a custom > > pfn_valid(). > > Well, I propose something in between: stop freeing with SPARSEMEM, continue > freeing with FLATMEM. I'm all for it. -- Sincerely yours, Mike.
