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 b7f6fb462ea0da21e59e67dbb4e75de729ffdfcc..98d58bb04ac57853910860ae5f124c1fd1cb14bf 100644 (file)
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -118,12 +118,6 @@
 #define DTCM_OFFSET    UL(0xfffe8000)
 #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
  */

diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index f800d45ea2265b2805668a0681bf9f300c7c1faf..d808bb68875142319302cef18e67057b70147437 100644 (file)
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -80,12 +80,6 @@
 #define __virt_to_phys(x)      (((phys_addr_t)(x) - PAGE_OFFSET + PHYS_OFFSET))
 #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
  */

diff --git a/arch/unicore32/include/asm/memory.h b/arch/unicore32/include/asm/memory.h
index debafc40200a4faf985c737aefbae80db4806e1c..3bb0a29fd2d7b11739e9a22247f4d2edaa1d9403 100644 (file)
--- a/arch/unicore32/include/asm/memory.h
+++ b/arch/unicore32/include/asm/memory.h
@@ -60,12 +60,6 @@
 #define __phys_to_virt(x)      ((x) - PHYS_OFFSET + PAGE_OFFSET)
 #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
  */

diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index 14909b0b9cae71d879df88963a688d37a0e98a8a..f20f407ce45d29fddcf98bd8fcfe270349fd0b92 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