Re: [PATCH v2 09/13] arm, arm64: move free_unused_memmap() to generic mm

On Sun, Nov 01, 2020 at 07:04:50PM +0200, Mike Rapoport wrote: > From: Mike Rapoport > > ARM and ARM64 free unused parts of the memory map just before the > initialization of the page allocator. To allow holes in the memory map both > architectures overload pfn_valid() and define HAVE_ARCH_PFN_VA

[PATCH v2 09/13] arm, arm64: move free_unused_memmap() to generic mm

From: Mike Rapoport ARM and ARM64 free unused parts of the memory map just before the initialization of the page allocator. To allow holes in the memory map both architectures overload pfn_valid() and define HAVE_ARCH_PFN_VALID. Allowing holes in the memory map for FLATMEM may be useful for smal