Index: kernel/generic/include/proc/task.h
===================================================================
--- kernel/generic/include/proc/task.h	(revision 6b10dab6510950964fc02ac960103bbaedf76314)
+++ kernel/generic/include/proc/task.h	(revision dd8d5a73bdea8475dd6109269d442c9d31c454a6)
@@ -145,5 +145,12 @@
 #endif
 
-extern sysarg_t sys_task_get_id(task_id_t *);
+#ifdef __32_BITS__
+extern sysarg_t sys_task_get_id(sysarg64_t *);
+#endif
+
+#ifdef __64_BITS__
+extern sysarg_t sys_task_get_id(void);
+#endif
+
 extern sysarg_t sys_task_set_name(const char *, size_t);