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-rw-r--r--arch/sh/include/asm/pgtable.h2
-rw-r--r--arch/sh/include/asm/pgtable_32.h2
-rw-r--r--arch/sh/include/asm/pgtable_64.h9
3 files changed, 7 insertions, 6 deletions
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 02f77450cd8..a15f1058bbf 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -169,6 +169,8 @@ extern void page_table_range_init(unsigned long start, unsigned long end,
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
+#define __HAVE_ARCH_PTE_SPECIAL
+
#include <asm-generic/pgtable.h>
#endif /* __ASM_SH_PGTABLE_H */
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index e172d696e52..ae1a6ef71f3 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -378,8 +378,6 @@ PTE_BIT_FUNC(low, mkold, &= ~_PAGE_ACCESSED);
PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED);
PTE_BIT_FUNC(low, mkspecial, |= _PAGE_SPECIAL);
-#define __HAVE_ARCH_PTE_SPECIAL
-
/*
* Macro and implementation to make a page protection as uncachable.
*/
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h
index 0ee46776dad..22113f7fc83 100644
--- a/arch/sh/include/asm/pgtable_64.h
+++ b/arch/sh/include/asm/pgtable_64.h
@@ -132,6 +132,7 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval)
* anything above the PPN field.
*/
#define _PAGE_WIRED _PAGE_EXT(0x001) /* software: wire the tlb entry */
+#define _PAGE_SPECIAL _PAGE_EXT(0x002)
#define _PAGE_CLEAR_FLAGS (_PAGE_PRESENT | _PAGE_FILE | _PAGE_SHARED | \
_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_WIRED)
@@ -175,7 +176,8 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval)
/* Default flags for a User page */
#define _PAGE_TABLE (_KERNPG_TABLE | _PAGE_USER)
-#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
+ _PAGE_SPECIAL)
/*
* We have full permissions (Read/Write/Execute/Shared).
@@ -265,7 +267,7 @@ static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
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; }
static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; }
-static inline int pte_special(pte_t pte){ return 0; }
+static inline int pte_special(pte_t pte){ return pte_val(pte) & _PAGE_SPECIAL; }
static inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; }
static inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
@@ -274,8 +276,7 @@ static inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) |
static inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
static inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
static inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }
-static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
-
+static inline pte_t pte_mkspecial(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SPECIAL)); return pte; }
/*
* Conversion functions: convert a page and protection to a page entry.