1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 1e5fe1d9ec32..062dd20437f7 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -12,6 +12,7 @@
 #include <stdarg.h>
 #include <linux/compiler.h>
 #include <linux/types.h>
+#include "namespaces.h"
 
 /* General helper functions */
 void usage(const char *err) __noreturn;
@@ -33,6 +34,7 @@ struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dire
 bool lsdir_no_dot_filter(const char *name, struct dirent *d);
 int copyfile(const char *from, const char *to);
 int copyfile_mode(const char *from, const char *to, mode_t mode);
+int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi);
 int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
 
 ssize_t readn(int fd, void *buf, size_t n);