#endif
extern void free_msg(struct msg_msg *msg);
-extern struct msg_msg *load_msg(const void __user *src, int len);
-extern int store_msg(void __user *dest, struct msg_msg *msg, int len);
+extern struct msg_msg *load_msg(const void __user *src, size_t len);
+extern int store_msg(void __user *dest, struct msg_msg *msg, size_t len);
extern void recompute_msgmni(struct ipc_namespace *);