diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 45170b2..a68835f 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -88,6 +88,28 @@
 
 extern struct group_info init_groups;
 
+#define INIT_STRUCT_PID {						\
+	.count 		= ATOMIC_INIT(1),				\
+	.nr		= 0, 						\
+	/* Don't put this struct pid in pid_hash */			\
+	.pid_chain	= { .next = NULL, .pprev = NULL },		\
+	.tasks		= {						\
+		{ .first = &init_task.pids[PIDTYPE_PID].node },		\
+		{ .first = &init_task.pids[PIDTYPE_PGID].node },	\
+		{ .first = &init_task.pids[PIDTYPE_SID].node },		\
+	},								\
+	.rcu		= RCU_HEAD_INIT,				\
+}
+
+#define INIT_PID_LINK(type) 					\
+{								\
+	.node = {						\
+		.next = NULL,					\
+		.pprev = &init_struct_pid.tasks[type].first,	\
+	},							\
+	.pid = &init_struct_pid,				\
+}
+
 /*
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -139,6 +161,11 @@
 	.cpu_timers	= INIT_CPU_TIMERS(tsk.cpu_timers),		\
 	.fs_excl	= ATOMIC_INIT(0),				\
 	.pi_lock	= __SPIN_LOCK_UNLOCKED(tsk.pi_lock),		\
+	.pids = {							\
+		[PIDTYPE_PID]  = INIT_PID_LINK(PIDTYPE_PID),		\
+		[PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID),		\
+		[PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),		\
+	},								\
 	INIT_TRACE_IRQFLAGS						\
 	INIT_LOCKDEP							\
 }