devsz 82 include/sys/device.h size_t devsz; /* size of private data */ devsz 155 sys/kern/device.c if (drv->devsz != 0) { devsz 156 sys/kern/device.c if ((private = kmem_alloc(drv->devsz)) == NULL) devsz 158 sys/kern/device.c memset(private, 0, drv->devsz);