On Tue, May 25, 2021 at 06:25:49PM +0530, Anshuman Khandual wrote: > CONFIG_SPARSEMEM_VMEMMAP is now the only available memory model on arm64 > platforms and free_unused_memmap() would just return without creating any > holes in the memmap mapping. There is no need for any special handling in > pfn_valid() and HAVE_ARCH_PFN_VALID can just be dropped. This also moves > the pfn upper bits sanity check into generic pfn_valid(). > > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: David Hildenbrand <david@xxxxxxxxxx> > Cc: Mike Rapoport <rppt@xxxxxxxxxx> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: linux-mm@xxxxxxxxx > Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> > Acked-by: David Hildenbrand <david@xxxxxxxxxx> > Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
