drivers/md/raid5.c

1537 /* return a pointer to the address conversion region of the scribble buffer */
1540 	return percpu->scribble + i * percpu->scribble_obj_size;
1543 /* return a pointer to the address conversion region of the scribble buffer */
2443  * scribble_alloc - allocate percpu scribble buffer for required size
2444  *		    of the scribble region
2447  * @cnt: scribble objs count for required size of the scribble region
2449  * The scribble buffer size must be enough to contain:
2465 	void *scribble;
2472 	scribble = kvmalloc_array(cnt, obj_size, GFP_KERNEL);
2473 	if (!scribble)
2476 	kvfree(percpu->scribble);
2478 	percpu->scribble = scribble;
2619 	 * conf->disks and the scribble region
7280 	kvfree(percpu->scribble);
7281 	percpu->scribble = NULL;