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-rw-r--r--tools/include/uapi/linux/mman.h5
-rw-r--r--tools/perf/trace/beauty/mmap.c1
2 files changed, 4 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
diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c
index 9fa771a90d79..862c8331dded 100644
--- a/tools/perf/trace/beauty/mmap.c
+++ b/tools/perf/trace/beauty/mmap.c
@@ -69,6 +69,7 @@ static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
P_MREMAP_FLAG(MAYMOVE);
P_MREMAP_FLAG(FIXED);
+ P_MREMAP_FLAG(DONTUNMAP);
#undef P_MREMAP_FLAG
if (flags)