hugetlb: introduce generic version of prepare_hugepage_range
[muen/linux.git] / arch / powerpc / include / asm / hugetlb.h
index b5b57b30956454027a1b7761f47c4c76cbbfecee..2a90f387880a4dd39a000418fd92fd17931eed62 100644 (file)
@@ -114,21 +114,6 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
                            unsigned long end, unsigned long floor,
                            unsigned long ceiling);
 
-/*
- * 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_GET_AND_CLEAR
 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
                                            unsigned long addr, pte_t *ptep)