Merge tag 'for-linus-20181102' of git://git.kernel.dk/linux-block

[linux-2.6-microblaze.git] / include / asm-generic / hugetlb.h

diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index ee010b7..71d7b77 100644 (file)
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -57,4 +57,73 @@ static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
 }
 #endif
 
+#ifndef __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+               unsigned long addr, pte_t *ptep)
+{
+       return ptep_get_and_clear(mm, addr, ptep);
+}
+#endif
+
+#ifndef __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+               unsigned long addr, pte_t *ptep)
+{
+       ptep_clear_flush(vma, addr, ptep);
+}
+#endif
+
+#ifndef __HAVE_ARCH_HUGE_PTE_NONE
+static inline int huge_pte_none(pte_t pte)
+{
+       return pte_none(pte);
+}
+#endif
+
+#ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+       return pte_wrprotect(pte);
+}
+#endif
+
+#ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
+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;
+}
+#endif
+
+#ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+               unsigned long addr, pte_t *ptep)
+{
+       ptep_set_wrprotect(mm, addr, ptep);
+}
+#endif
+
+#ifndef __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)
+{
+       return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+#endif
+
+#ifndef __HAVE_ARCH_HUGE_PTEP_GET
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+       return *ptep;
+}
+#endif
+
 #endif /* _ASM_GENERIC_HUGETLB_H */