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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-02-10 14:11:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-10 14:30:33 -0800
commit917e401ea75478d4f4575bc8b0ef3d14ecf9ef69 (patch)
tree73d7b1770d73224ee0979b0d3818c35da61f40d5 /arch/score/include
parent6e76d4b20bf6b514408ab5bd07f4a76723259b64 (diff)
downloadlinux-917e401ea75478d4f4575bc8b0ef3d14ecf9ef69.tar.gz
score: drop _PAGE_FILE and pte_file()-related helpers
We've replaced remap_file_pages(2) implementation with emulation. Nobody creates non-linear mapping anymore. This patch also increase number of bits availble for swap offset. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Chen Liqin <liqin.linux@gmail.com> Cc: Lennox Wu <lennox.wu@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/score/include')
-rw-r--r--arch/score/include/asm/pgtable-bits.h1
-rw-r--r--arch/score/include/asm/pgtable.h18
2 files changed, 2 insertions, 17 deletions
diff --git a/arch/score/include/asm/pgtable-bits.h b/arch/score/include/asm/pgtable-bits.h
index 7d65a96a82e5..0e5c6f466520 100644
--- a/arch/score/include/asm/pgtable-bits.h
+++ b/arch/score/include/asm/pgtable-bits.h
@@ -6,7 +6,6 @@
#define _PAGE_WRITE (1<<7) /* implemented in software */
#define _PAGE_PRESENT (1<<9) /* implemented in software */
#define _PAGE_MODIFIED (1<<10) /* implemented in software */
-#define _PAGE_FILE (1<<10)
#define _PAGE_GLOBAL (1<<0)
#define _PAGE_VALID (1<<1)
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
index db96ad9afc03..5170ffdea643 100644
--- a/arch/score/include/asm/pgtable.h
+++ b/arch/score/include/asm/pgtable.h
@@ -90,15 +90,6 @@ static inline void pmd_clear(pmd_t *pmdp)
((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
#define pte_unmap(pte) ((void)(pte))
-/*
- * Bits 9(_PAGE_PRESENT) and 10(_PAGE_FILE)are taken,
- * split up 30 bits of offset into this range:
- */
-#define PTE_FILE_MAX_BITS 30
-#define pte_to_pgoff(_pte) \
- (((_pte).pte & 0x1ff) | (((_pte).pte >> 11) << 9))
-#define pgoff_to_pte(off) \
- ((pte_t) {((off) & 0x1ff) | (((off) >> 9) << 11) | _PAGE_FILE})
#define __pte_to_swp_entry(pte) \
((swp_entry_t) { pte_val(pte)})
#define __swp_entry_to_pte(x) ((pte_t) {(x).val})
@@ -169,8 +160,8 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot)
}
#define __swp_type(x) ((x).val & 0x1f)
-#define __swp_offset(x) ((x).val >> 11)
-#define __swp_entry(type, offset) ((swp_entry_t){(type) | ((offset) << 11)})
+#define __swp_offset(x) ((x).val >> 10)
+#define __swp_entry(type, offset) ((swp_entry_t){(type) | ((offset) << 10)})
extern unsigned long empty_zero_page;
extern unsigned long zero_page_mask;
@@ -198,11 +189,6 @@ static inline int pte_young(pte_t pte)
return pte_val(pte) & _PAGE_ACCESSED;
}
-static inline int pte_file(pte_t pte)
-{
- return pte_val(pte) & _PAGE_FILE;
-}
-
#define pte_special(pte) (0)
static inline pte_t pte_wrprotect(pte_t pte)