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-rw-r--r--tools/include/uapi/linux/mman.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/include/uapi/linux/mman.h b/tools/include/uapi/linux/mman.h
index fc1a64c3447b..923cc162609c 100644
--- a/tools/include/uapi/linux/mman.h
+++ b/tools/include/uapi/linux/mman.h
@@ -5,8 +5,9 @@
#include <asm/mman.h>
#include <asm-generic/hugetlb_encode.h>
-#define MREMAP_MAYMOVE 1
-#define MREMAP_FIXED 2
+#define MREMAP_MAYMOVE 1
+#define MREMAP_FIXED 2
+#define MREMAP_DONTUNMAP 4
#define OVERCOMMIT_GUESS 0
#define OVERCOMMIT_ALWAYS 1