VM_SUBSYS_STACK
return(kmem_alloc3(map, size, VM_SUBSYS_STACK, kmflags|KM_STACK));
VM_SUBSYS_STACK, prot, max, cow);
VM_SUBSYS_STACK, VM_PROT_ALL, VM_PROT_ALL, 0);
case VM_SUBSYS_STACK:
case VM_SUBSYS_STACK: