segdev_create
error = as_map(as, *addrp, len, segdev_create, &dev_a);
error = as_map(as, *addrp, len, segdev_create, &dev_a);
error = as_map(as, *addrp, len, segdev_create, &dev_a);
segdev_create, &dev_a);
error = as_map(as, *addrp, len, segdev_create, &dev_a);
err = as_map(as, *addr, len, segdev_create, &dev_a);
extern int segdev_create(struct seg **, void *);
error = as_map(as, *addrp, len, segdev_create, &dev_a);