diff options
Diffstat (limited to 'include/asm-sparc/pgtable.h')
| -rw-r--r-- | include/asm-sparc/pgtable.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h index 4f0a5ba0d6a..2cc235b74d9 100644 --- a/include/asm-sparc/pgtable.h +++ b/include/asm-sparc/pgtable.h @@ -46,7 +46,6 @@ BTFIXUPDEF_SIMM13(user_ptrs_per_pgd) #define pgd_ERROR(e) __builtin_trap() BTFIXUPDEF_INT(page_none) -BTFIXUPDEF_INT(page_shared) BTFIXUPDEF_INT(page_copy) BTFIXUPDEF_INT(page_readonly) BTFIXUPDEF_INT(page_kernel) @@ -66,7 +65,7 @@ BTFIXUPDEF_INT(page_kernel) #define PTE_SIZE (PTRS_PER_PTE*4) #define PAGE_NONE __pgprot(BTFIXUP_INT(page_none)) -#define PAGE_SHARED __pgprot(BTFIXUP_INT(page_shared)) +extern pgprot_t PAGE_SHARED; #define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy)) #define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly)) @@ -151,7 +150,6 @@ BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t) BTFIXUPDEF_SETHI(none_mask) BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t) BTFIXUPDEF_CALL(void, pte_clear, pte_t *) -BTFIXUPDEF_CALL(int, pte_read, pte_t) static inline int pte_none(pte_t pte) { @@ -160,7 +158,6 @@ static inline int pte_none(pte_t pte) #define pte_present(pte) BTFIXUP_CALL(pte_present)(pte) #define pte_clear(mm,addr,pte) BTFIXUP_CALL(pte_clear)(pte) -#define pte_read(pte) BTFIXUP_CALL(pte_read)(pte) BTFIXUPDEF_CALL_CONST(int, pmd_bad, pmd_t) BTFIXUPDEF_CALL_CONST(int, pmd_present, pmd_t) @@ -446,6 +443,17 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffUL) +#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS +#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ +({ \ + int __changed = !pte_same(*(__ptep), __entry); \ + if (__changed) { \ + set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \ + flush_tlb_page(__vma, __address); \ + } \ + (sparc_cpu_model == sun4c) || __changed; \ +}) + #include <asm-generic/pgtable.h> #endif /* !(__ASSEMBLY__) */ |