Hi Neil, struct linear_private_data { sector_t array_sectors; dev_info_t disks[0]; struct rcu_head rcu; }; linear_conf( ) { .... conf = kzalloc (sizeof (*conf) + raid_disks*sizeof(dev_info_t), GFP_KERNEL); ... } How do these two go together? -- Regards, Sandeep. “To learn is to change. Education is a process that changes the learner.” -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html