[PATCH 43/54] Add arch/nios2/include/asm/pfn.h

[franck.jullien at gmail.com]

From: Franck JULLIEN <franck.jullien at gmail.com>

Add arch/nios2/include/asm/pfn.h

---
 arch/nios2/include/asm/pfn.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
 create mode 100644 arch/nios2/include/asm/pfn.h

diff --git a/arch/nios2/include/asm/pfn.h b/arch/nios2/include/asm/pfn.h
new file mode 100644
index 0000000..7646637
--- /dev/null
+++ b/arch/nios2/include/asm/pfn.h
@@ -0,0 +1,13 @@
+#ifndef _LINUX_PFN_H_
+#define _LINUX_PFN_H_
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#endif
+
+#define PFN_ALIGN(x)	(((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
+#define PFN_UP(x)	(((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
+#define PFN_DOWN(x)	((x) >> PAGE_SHIFT)
+#define PFN_PHYS(x)	((phys_addr_t)(x) << PAGE_SHIFT)
+
+#endif
-- 
1.7.3.4