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-rw-r--r--tools/perf/util/mmap.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index a34726219af3..b69f926d314b 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -7,6 +7,7 @@
*/
#include <sys/mman.h>
+#include <errno.h>
#include <inttypes.h>
#include <asm/bug.h>
#include <linux/zalloc.h>