mm: move __phys_to_pfn and __pfn_to_phys to asm/generic/memory_model.h

Three architectures already define these, and we'll need them genericly
soon.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index b7f6fb4..98d58bb 100644 (file)
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -119,12 +119,6 @@
 #endif
 
 /*
- * 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)      ((phys_addr_t)(pfn) << PAGE_SHIFT)
-
-/*
  * Convert a page to/from a physical address
  */
 #define page_to_phys(page)     (__pfn_to_phys(page_to_pfn(page)))

diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index f800d45..d808bb6 100644 (file)
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -81,12 +81,6 @@
 #define __phys_to_virt(x)      ((unsigned long)((x) - PHYS_OFFSET + PAGE_OFFSET))
 
 /*
- * 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)      ((phys_addr_t)(pfn) << PAGE_SHIFT)
-
-/*
  * Convert a page to/from a physical address
  */
 #define page_to_phys(page)     (__pfn_to_phys(page_to_pfn(page)))

diff --git a/arch/unicore32/include/asm/memory.h b/arch/unicore32/include/asm/memory.h
index debafc4..3bb0a29 100644 (file)
--- a/arch/unicore32/include/asm/memory.h
+++ b/arch/unicore32/include/asm/memory.h
@@ -61,12 +61,6 @@
 #endif
 
 /*
- * Convert a physical address to a Page Frame Number and back
- */
-#define        __phys_to_pfn(paddr)    ((paddr) >> PAGE_SHIFT)
-#define        __pfn_to_phys(pfn)      ((pfn) << PAGE_SHIFT)
-
-/*
  * Convert a page to/from a physical address
  */
 #define page_to_phys(page)     (__pfn_to_phys(page_to_pfn(page)))

diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index 14909b0..f20f407 100644 (file)
--- 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) << PAGE_SHIFT)
+
 #define page_to_pfn __page_to_pfn
 #define pfn_to_page __pfn_to_page