v4.19.13 snapshot.
diff --git a/include/linux/resource.h b/include/linux/resource.h
new file mode 100644
index 0000000..bdf491c
--- /dev/null
+++ b/include/linux/resource.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_RESOURCE_H
+#define _LINUX_RESOURCE_H
+
+#include <uapi/linux/resource.h>
+
+
+struct task_struct;
+
+void getrusage(struct task_struct *p, int who, struct rusage *ru);
+int do_prlimit(struct task_struct *tsk, unsigned int resource,
+ struct rlimit *new_rlim, struct rlimit *old_rlim);
+
+#endif