sh: Definitions for 3-level page table layout

[deliverable/linux.git] / arch / sh / include / asm / pgtable.h

diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index ba3046e4f06f32f915368952ef085e3d2c82e1fc..9effcc3b0d10a6f5629ffbc726bbc6ca6c7cb7d8 100644 (file)
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -12,7 +12,11 @@
 #ifndef __ASM_SH_PGTABLE_H
 #define __ASM_SH_PGTABLE_H
 
-#include <asm-generic/pgtable-nopmd.h>
+#ifdef CONFIG_PGTABLE_LEVELS_3
+#include <asm/pgtable_pmd.h>
+#else
+#include <asm/pgtable_nopmd.h>
+#endif
 #include <asm/page.h>
 
 #ifndef __ASSEMBLY__
@@ -51,28 +55,12 @@ static inline unsigned long long neff_sign_extend(unsigned long val)
 #define        NPHYS_SIGN      (1LL << (NPHYS - 1))
 #define        NPHYS_MASK      (-1LL << NPHYS)
 
-/*
- * traditional two-level paging structure
- */
-/* PTE bits */
-#if defined(CONFIG_X2TLB) || defined(CONFIG_SUPERH64)
-# define PTE_MAGNITUDE 3       /* 64-bit PTEs on extended mode SH-X2 TLB */
-#else
-# define PTE_MAGNITUDE 2       /* 32-bit PTEs */
-#endif
-#define PTE_SHIFT      PAGE_SHIFT
-#define PTE_BITS       (PTE_SHIFT - PTE_MAGNITUDE)
-
-/* PGD bits */
-#define PGDIR_SHIFT    (PTE_SHIFT + PTE_BITS)
 #define PGDIR_SIZE     (1UL << PGDIR_SHIFT)
 #define PGDIR_MASK     (~(PGDIR_SIZE-1))
 
 /* Entries per level */
 #define PTRS_PER_PTE   (PAGE_SIZE / (1 << PTE_MAGNITUDE))
-#define PTRS_PER_PGD   (PAGE_SIZE / sizeof(pgd_t))
 
-#define USER_PTRS_PER_PGD      (TASK_SIZE/PGDIR_SIZE)
 #define FIRST_USER_ADDRESS     0
 
 #define PHYS_ADDR_MASK29               0x1fffffff