IPC_SCHEDULE_FREE(9) Kernel IPC facilities IPC_SCHEDULE_FREE(9)NAMEipc_schedule_free - free ipc + rcu spaceSYNOPSISvoid ipc_schedule_free(struct rcu_head * head);ARGUMENTShead RCU callback structure for queued workDESCRIPTIONSince RCU callback function is called in bh, we need to defer the vfree to schedule_work.COPYRIGHTKernel Hackers Manual 2.6. July 2010 IPC_SCHEDULE_FREE(9)