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-rw-r--r--include/linux/hugetlb.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e465fbf1ef5f..5db25ffdb3eb 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -47,6 +47,10 @@ void hugetlb_change_protection(struct vm_area_struct *vma,
#ifndef ARCH_HAS_HUGETLB_FREE_PGD_RANGE
#define hugetlb_free_pgd_range free_pgd_range
+#else
+void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
+ unsigned long end, unsigned long floor,
+ unsigned long ceiling);
#endif
#ifndef ARCH_HAS_PREPARE_HUGEPAGE_RANGE