Function kva_import_domain

freebsd/vm/vm_kern.c:726–735

* Import KVA from a parent arena into a per-domain arena. Imports must be * KVA_QUANTUM-aligned and a multiple of KVA_QUANTUM in size. */

 * KVA_QUANTUM-aligned and a multiple of KVA_QUANTUM in size.
 */
static int
kva_import_domain(void *arena, vmem_size_t size, int flags, vmem_addr_t *addrp)
{

	KASSERT((size % KVA_QUANTUM) == 0,
	    ("kva_import_domain: Size %jd is not a multiple of %d",
	    (intmax_t)size, (int)KVA_QUANTUM));
	return (vmem_xalloc(arena, size, KVA_QUANTUM, 0, 0, VMEM_ADDR_MIN,
	    VMEM_ADDR_MAX, flags, addrp));
}

/*
 * 	kmem_init: