blk_free_devt(9) centos man page | unix.com

BLK_FREE_DEVT(9)						   Block Devices						  BLK_FREE_DEVT(9)

NAME
       blk_free_devt - free a dev_t

SYNOPSIS
       void blk_free_devt(dev_t devt);

ARGUMENTS
       devt
	   dev_t to free

DESCRIPTION
       Free devt which was allocated using blk_alloc_devt.

CONTEXT
       Might sleep.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  BLK_FREE_DEVT(9)