From: Stefano Stabellini Date: Thu, 8 May 2014 15:48:13 +0000 (+0000) Subject: arm64: introduce virt_to_pfn X-Git-Tag: firefly_0821_release~3680^2~36^2~24^2~21 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8c800e8ee95a1396901f694a8d9dcf880efdd43c;p=firefly-linux-kernel-4.4.55.git arm64: introduce virt_to_pfn virt_to_pfn has been defined in arch/arm/include/asm/memory.h by commit e26a9e0 "ARM: Better virt_to_page() handling" and Xen has come to rely on it. Introduce virt_to_pfn on arm64 too. Signed-off-by: Stefano Stabellini Acked-by: Catalin Marinas (cherry picked from commit 1f53ba6e81749a420226e5502c49ab83ba85c81d) Signed-off-by: Mark Brown --- diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index 83138d2fb90d..212ded1662bf 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -132,6 +132,7 @@ static inline void *phys_to_virt(phys_addr_t x) #define __pa(x) __virt_to_phys((unsigned long)(x)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) +#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x)) /* * virt_to_page(k) convert a _valid_ virtual address to struct page *