1 files changed, 8 insertions, 0 deletions

diff --git a/mm/madvise.c b/mm/madvise.c
index f5ab745672b7..1ccbba5b6674 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -65,6 +65,12 @@ static long madvise_behavior(struct vm_area_struct * vma,
                 }
                 new_flags &= ~VM_DONTCOPY;
                 break;
+        case MADV_DONTDUMP:
+                new_flags |= VM_NODUMP;
+                break;
+        case MADV_DODUMP:
+                new_flags &= ~VM_NODUMP;
+                break;
         case MADV_MERGEABLE:
         case MADV_UNMERGEABLE:
                 error = ksm_madvise(vma, start, end, behavior, &new_flags);
@@ -293,6 +299,8 @@ madvise_behavior_valid(int behavior)
         case MADV_HUGEPAGE:
         case MADV_NOHUGEPAGE:
 #endif
+        case MADV_DONTDUMP:
+        case MADV_DODUMP:
                 return 1;
 
         default: