1 files changed, 37 insertions, 0 deletions

diff --git a/include/asm-powerpc/hugetlb.h b/include/asm-powerpc/hugetlb.h
new file mode 100644
index 000000000000..f537993c5c87
--- /dev/null
+++ b/include/asm-powerpc/hugetlb.h
@@ -0,0 +1,37 @@
+#ifndef _ASM_POWERPC_HUGETLB_H
+#define _ASM_POWERPC_HUGETLB_H
+
+#include <asm/page.h>
+
+
+int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
+                           unsigned long len);
+
+void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
+                            unsigned long end, unsigned long floor,
+                            unsigned long ceiling);
+
+void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+                     pte_t *ptep, pte_t pte);
+
+pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
+                              pte_t *ptep);
+
+/*
+ * 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(unsigned long addr, unsigned long len)
+{
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
+                return -EINVAL;
+        return 0;
+}
+
+static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
+{
+}
+
+#endif /* _ASM_POWERPC_HUGETLB_H */