rem: static int aspace_compare(void *_a, const void *key)
add: aspace_compare(void *_a, const void *key)
context: static int aspace_compare(void *_a, const void *key){	vm_address_space *aspace = _a;	const aspace_id *id = key;	if(aspace->id == *id)		return 0;	else		return -1;}