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-rw-r--r--kernel/pid_namespace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 3028b2218a..7ade20e952 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -23,6 +23,7 @@
#include <linux/sched/task.h>
#include <linux/sched/signal.h>
#include <linux/idr.h>
+#include <uapi/linux/wait.h>
#include "pid_sysctl.h"
static DEFINE_MUTEX(pid_caches_mutex);