hugetlb: introduce generic version of huge_ptep_set_access_flags()

[linux.git] / arch / sparc / include / asm / hugetlb.h

diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 59d89b52ccb7adf5eb9b0e0b16b756676b1dfabb..028a1465fbe79ac779504b8da3dbff6ce526633a 100644 (file)
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -12,9 +12,11 @@ struct pud_huge_patch_entry {
 extern struct pud_huge_patch_entry __pud_huge_patch, __pud_huge_patch_end;
 #endif
 
+#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
 void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
                     pte_t *ptep, pte_t pte);
 
+#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
 pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
                              pte_t *ptep);
 
@@ -24,37 +26,13 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
        return 0;
 }
 
-/*
- * If the arch doesn't supply something else, assume that hugepage
- * size aligned regions are ok without further preparation.
- */
-static inline int prepare_hugepage_range(struct file *file,
-                       unsigned long addr, unsigned long len)
-{
-       struct hstate *h = hstate_file(file);
-
-       if (len & ~huge_page_mask(h))
-               return -EINVAL;
-       if (addr & ~huge_page_mask(h))
-               return -EINVAL;
-       return 0;
-}
-
+#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
                                         unsigned long addr, pte_t *ptep)
 {
 }
 
-static inline int huge_pte_none(pte_t pte)
-{
-       return pte_none(pte);
-}
-
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
-       return pte_wrprotect(pte);
-}
-
+#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
                                           unsigned long addr, pte_t *ptep)
 {
@@ -62,6 +40,7 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
        set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
 }
 
+#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
                                             unsigned long addr, pte_t *ptep,
                                             pte_t pte, int dirty)