Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

[linux-2.6-omap-h63xx.git] / include / asm-i386 / pgtable.h

diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index c6b8b944120c654e4318ebc7bc8bce39f0659bcc..edce9d51a676cd4822c09c21b0663801d52e03e3 100644 (file)
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -243,8 +243,6 @@ static inline pte_t pte_mkyoung(pte_t pte)  { (pte).pte_low |= _PAGE_ACCESSED; re
 static inline pte_t pte_mkwrite(pte_t pte)     { (pte).pte_low |= _PAGE_RW; return pte; }
 static inline pte_t pte_mkhuge(pte_t pte)      { (pte).pte_low |= _PAGE_PSE; return pte; }
 
-extern void vmalloc_sync_all(void);
-
 #ifdef CONFIG_X86_PAE
 # include <asm/pgtable-3level.h>
 #else
@@ -296,12 +294,25 @@ do {                                                                      \
        }                                                               \
 } while (0)
 
-/*
- * We don't actually have these, but we want to advertise them so that
- * we can encompass the flush here.
- */
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
+#define ptep_test_and_clear_dirty(vma, addr, ptep) ({                  \
+       int ret = 0;                                                    \
+       if (pte_dirty(*ptep))                                           \
+               ret = test_and_clear_bit(_PAGE_BIT_DIRTY, &ptep->pte_low); \
+       if (ret)                                                        \
+               pte_update_defer(vma->vm_mm, addr, ptep);               \
+       ret;                                                            \
+})
+
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
+#define ptep_test_and_clear_young(vma, addr, ptep) ({                  \
+       int ret = 0;                                                    \
+       if (pte_young(*ptep))                                           \
+               ret = test_and_clear_bit(_PAGE_BIT_ACCESSED, &ptep->pte_low); \
+       if (ret)                                                        \
+               pte_update_defer(vma->vm_mm, addr, ptep);               \
+       ret;                                                            \
+})
 
 /*
  * Rules for using ptep_establish: the pte MUST be a user pte, and
@@ -318,12 +329,9 @@ do {                                                                       \
 #define ptep_clear_flush_dirty(vma, address, ptep)                     \
 ({                                                                     \
        int __dirty;                                                    \
-       __dirty = pte_dirty(*(ptep));                                   \
-       if (__dirty) {                                                  \
-               clear_bit(_PAGE_BIT_DIRTY, &(ptep)->pte_low);           \
-               pte_update_defer((vma)->vm_mm, (address), (ptep));      \
+       __dirty = ptep_test_and_clear_dirty((vma), (address), (ptep));  \
+       if (__dirty)                                                    \
                flush_tlb_page(vma, address);                           \
-       }                                                               \
        __dirty;                                                        \
 })
 
@@ -331,12 +339,9 @@ do {                                                                       \
 #define ptep_clear_flush_young(vma, address, ptep)                     \
 ({                                                                     \
        int __young;                                                    \
-       __young = pte_young(*(ptep));                                   \
-       if (__young) {                                                  \
-               clear_bit(_PAGE_BIT_ACCESSED, &(ptep)->pte_low);        \
-               pte_update_defer((vma)->vm_mm, (address), (ptep));      \
+       __young = ptep_test_and_clear_young((vma), (address), (ptep));  \
+       if (__young)                                                    \
                flush_tlb_page(vma, address);                           \
-       }                                                               \
        __young;                                                        \
 })
 
@@ -537,10 +542,6 @@ static inline void paravirt_pagetable_setup_done(pgd_t *base)
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot)                \
                remap_pfn_range(vma, vaddr, pfn, size, prot)
 
-#define MK_IOSPACE_PFN(space, pfn)     (pfn)
-#define GET_IOSPACE(pfn)               0
-#define GET_PFN(pfn)                   (pfn)
-
 #include <asm-generic/pgtable.h>
 
 #endif /* _I386_PGTABLE_H */