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-rw-r--r--tools/perf/builtin-mem.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index c6496adff3fe..d43500b92a7b 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>