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authorIngo Molnar <mingo@kernel.org>2015-10-14 16:05:18 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-14 16:05:18 +0200
commitc7d77a7980e434c3af17de19e3348157f9b9ccce (patch)
treeb32c5988ce8239b80c83e94c22d68f5eb0fb84da /include/asm-generic/memory_model.h
parent0ce423b6492a02be11662bfaa837dd16945aad3e (diff)
parent8a53554e12e98d1759205afd7b8e9e2ea0936f48 (diff)
Merge branch 'x86/urgent' into core/efi, to pick up a pending EFI fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic/memory_model.h')
-rw-r--r--include/asm-generic/memory_model.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index 14909b0b9cae..4b4b056a6eb0 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -69,6 +69,12 @@
})
#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */
+/*
+ * Convert a physical address to a Page Frame Number and back
+ */
+#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
+#define __pfn_to_phys(pfn) PFN_PHYS(pfn)
+
#define page_to_pfn __page_to_pfn
#define pfn_to_page __pfn_to_page