From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudip Mukherjee Subject: [PATCH] m68k: fix build failure Date: Mon, 4 Jan 2016 16:27:42 +0530 Message-ID: <1451905062-29561-1-git-send-email-sudipm.mukherjee@gmail.com> Return-path: Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: Geert Uytterhoeven Cc: linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, Sudip Mukherjee , Andrew Morton , Dan Williams The defconfig build of m68k was failing with the error: implicit declaration of function '__pfn_to_phys' Other architectures have added , but if we do so here then we will also get redeclaration of some other functions. So it is better to copy these macros into page_mm.h. Fixes: 0a3c3bf11240 ("x86, mm: introduce vmem_altmap to augment vmemmap_populate()") Cc: Dan Williams Signed-off-by: Sudip Mukherjee --- m68k defconfig build log of next-20160104 is at: https://travis-ci.org/sudipm-mukherjee/parport/jobs/100068521 arch/m68k/include/asm/page_mm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index e7a1946..63aa14d 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -165,6 +165,9 @@ static inline __attribute_const__ int __virt_to_node_shift(void) ((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn; \ }) +#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT)) +#define __pfn_to_phys(pfn) PFN_PHYS(pfn) + #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) -- 1.9.1