block: make blk_rq_map_user() clear ->bio if it unmaps it

[linux-2.6-omap-h63xx.git] / include / asm-sparc / pgtable.h

diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index 4f0a5ba0d6a033cf9c8e0923f343556f550914fa..2cc235b74d94932de828fae558a48eb17294575d 100644 (file)
--- 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__) */