ARC: mm: use generic macros _BITUL()/_AC()

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

Author: abrodkin

arch/arc/include/asm/pgtable.h

@@ -38,6 +38,7 @@
 #include <asm/page.h>
 #include <asm/mmu.h>
 #include <asm-generic/pgtable-nopmd.h>
+#include <linux/const.h>
 
 /**************************************************************************
  * Page Table Flags
@@ -207,13 +208,9 @@
 #define PGDIR_SIZE	(1UL << PGDIR_SHIFT)	/* vaddr span, not PDG sz */
 #define PGDIR_MASK	(~(PGDIR_SIZE-1))
 
-#ifdef __ASSEMBLY__
-#define	PTRS_PER_PTE	(1 << BITS_FOR_PTE)
-#define	PTRS_PER_PGD	(1 << BITS_FOR_PGD)
-#else
-#define	PTRS_PER_PTE	(1UL << BITS_FOR_PTE)
-#define	PTRS_PER_PGD	(1UL << BITS_FOR_PGD)
-#endif
+#define	PTRS_PER_PTE	_BITUL(BITS_FOR_PTE)
+#define	PTRS_PER_PGD	_BITUL(BITS_FOR_PGD)
+
 /*
  * Number of entries a user land program use.
  * TASK_SIZE is the maximum vaddr that can be used by a userland program.

arch/arc/include/uapi/asm/page.h

@@ -9,6 +9,8 @@
 #ifndef _UAPI__ASM_ARC_PAGE_H
 #define _UAPI__ASM_ARC_PAGE_H
 
+#include <linux/const.h>
+
 /* PAGE_SHIFT determines the page size */
 #if defined(CONFIG_ARC_PAGE_SIZE_16K)
 #define PAGE_SHIFT 14
@@ -25,13 +27,8 @@
 #define PAGE_SHIFT 13
 #endif
 
-#ifdef __ASSEMBLY__
-#define PAGE_SIZE	(1 << PAGE_SHIFT)
-#define PAGE_OFFSET	(0x80000000)
-#else
-#define PAGE_SIZE	(1UL << PAGE_SHIFT)	/* Default 8K */
-#define PAGE_OFFSET	(0x80000000UL)		/* Kernel starts at 2G onwards */
-#endif
+#define PAGE_SIZE	_BITUL(PAGE_SHIFT)	/* Default 8K */
+#define PAGE_OFFSET	_AC(0x80000000, UL)	/* Kernel starts at 2G onwrds */
 
 #define PAGE_MASK	(~(PAGE_SIZE-1))