1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 52b264563cd9..9d65ae4ba0e0 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -770,6 +770,7 @@ unsigned long unmap_vmas(struct mmu_gather **tlb,
  * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry
  * @pte_entry: if set, called for each non-empty PTE (4th-level) entry
  * @pte_hole: if set, called for each hole at all levels
+ * @hugetlb_entry: if set, called for each hugetlb entry
  *
  * (see walk_page_range for more details)
  */
@@ -779,6 +780,8 @@ struct mm_walk {
         int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);
         int (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);
         int (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);
+        int (*hugetlb_entry)(pte_t *, unsigned long, unsigned long,
+                             struct mm_walk *);
         struct mm_struct *mm;
         void *private;
 };