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Diffstat (limited to 'arch/ia64/include/asm/pgtable.h')
-rw-r--r--arch/ia64/include/asm/pgtable.h27
1 files changed, 6 insertions, 21 deletions
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
index 7935115398a6..7b6f8801df57 100644
--- a/arch/ia64/include/asm/pgtable.h
+++ b/arch/ia64/include/asm/pgtable.h
@@ -57,9 +57,6 @@
#define _PAGE_ED (__IA64_UL(1) << 52) /* exception deferral */
#define _PAGE_PROTNONE (__IA64_UL(1) << 63)
-/* Valid only for a PTE with the present bit cleared: */
-#define _PAGE_FILE (1 << 1) /* see swap & file pte remarks below */
-
#define _PFN_MASK _PAGE_PPN_MASK
/* Mask of bits which may be changed by pte_modify(); the odd bits are there for _PAGE_PROTNONE */
#define _PAGE_CHG_MASK (_PAGE_P | _PAGE_PROTNONE | _PAGE_PL_MASK | _PAGE_AR_MASK | _PAGE_ED)
@@ -130,7 +127,7 @@
#define PTRS_PER_PGD_SHIFT PTRS_PER_PTD_SHIFT
#define PTRS_PER_PGD (1UL << PTRS_PER_PGD_SHIFT)
#define USER_PTRS_PER_PGD (5*PTRS_PER_PGD/8) /* regions 0-4 are user regions */
-#define FIRST_USER_ADDRESS 0
+#define FIRST_USER_ADDRESS 0UL
/*
* All the normal masks have the "page accessed" bits on, as any time
@@ -300,7 +297,6 @@ extern unsigned long VMALLOC_END;
#define pte_exec(pte) ((pte_val(pte) & _PAGE_AR_RX) != 0)
#define pte_dirty(pte) ((pte_val(pte) & _PAGE_D) != 0)
#define pte_young(pte) ((pte_val(pte) & _PAGE_A) != 0)
-#define pte_file(pte) ((pte_val(pte) & _PAGE_FILE) != 0)
#define pte_special(pte) 0
/*
@@ -472,27 +468,16 @@ extern void paging_init (void);
*
* Format of swap pte:
* bit 0 : present bit (must be zero)
- * bit 1 : _PAGE_FILE (must be zero)
- * bits 2- 8: swap-type
- * bits 9-62: swap offset
- * bit 63 : _PAGE_PROTNONE bit
- *
- * Format of file pte:
- * bit 0 : present bit (must be zero)
- * bit 1 : _PAGE_FILE (must be one)
- * bits 2-62: file_offset/PAGE_SIZE
+ * bits 1- 7: swap-type
+ * bits 8-62: swap offset
* bit 63 : _PAGE_PROTNONE bit
*/
-#define __swp_type(entry) (((entry).val >> 2) & 0x7f)
-#define __swp_offset(entry) (((entry).val << 1) >> 10)
-#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 2) | ((long) (offset) << 9) })
+#define __swp_type(entry) (((entry).val >> 1) & 0x7f)
+#define __swp_offset(entry) (((entry).val << 1) >> 9)
+#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 1) | ((long) (offset) << 8) })
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-#define PTE_FILE_MAX_BITS 61
-#define pte_to_pgoff(pte) ((pte_val(pte) << 1) >> 3)
-#define pgoff_to_pte(off) ((pte_t) { ((off) << 2) | _PAGE_FILE })
-
/*
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..