--- zzzz-none-000/linux-4.4.271/include/linux/kobject.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/linux/kobject.h	2023-04-19 10:22:30.000000000 +0000
@@ -32,6 +32,8 @@
 #define UEVENT_NUM_ENVP			32	/* number of env pointers */
 #define UEVENT_BUFFER_SIZE		2048	/* buffer for the variables */
 
+struct sk_buff;
+
 #ifdef CONFIG_UEVENT_HELPER
 /* path to the userspace helper executed on an event */
 extern char uevent_helper[];
@@ -241,4 +243,7 @@
 int kobject_action_type(const char *buf, size_t count,
 			enum kobject_action *type);
 
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+		     gfp_t allocation);
+
 #endif /* _KOBJECT_H_ */