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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2014-05-08 15:48:13 +0000
committerDavid Vrabel <david.vrabel@citrix.com>2014-05-12 11:51:28 +0100
commit1f53ba6e81749a420226e5502c49ab83ba85c81d (patch)
tree99b2c989be6b29b316755e706d85d98263789b77
parent05a812ac474d0d6aef6d54b66bb08b81abde79c6 (diff)
downloadlinux-1f53ba6e81749a420226e5502c49ab83ba85c81d.tar.bz2
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 <stefano.stabellini@eu.citrix.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
-rw-r--r--arch/arm64/include/asm/memory.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 9dc5dc39fded..d79a79e7dd04 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -138,6 +138,7 @@ 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 *