From 3de360c3fdb34fbdbaf6da3af94367d3fded95d3 Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Thu, 30 Sep 2021 04:30:39 +0300 Subject: arm64/mm: drop HAVE_ARCH_PFN_VALID 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(). [rppt: rebased on v5.15-rc3] Link: https://lkml.kernel.org/r/1621947349-25421-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual Acked-by: David Hildenbrand Acked-by: Mike Rapoport Cc: Catalin Marinas Cc: Will Deacon Cc: David Hildenbrand Cc: Mike Rapoport Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Mike Rapoport Link: https://lore.kernel.org/r/20210930013039.11260-3-rppt@kernel.org Signed-off-by: Will Deacon --- arch/arm64/include/asm/page.h | 1 - 1 file changed, 1 deletion(-) (limited to 'arch/arm64/include') diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h index f98c91bbd7c1..993a27ea6f54 100644 --- a/arch/arm64/include/asm/page.h +++ b/arch/arm64/include/asm/page.h @@ -41,7 +41,6 @@ void tag_clear_highpage(struct page *to); typedef struct page *pgtable_t; -int pfn_valid(unsigned long pfn); int pfn_is_map_memory(unsigned long pfn); #include -- cgit v1.2.3