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-rw-r--r--mm/madvise.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index f5ab745672b..1ccbba5b667 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: