146 	int (*create)(struct mempolicy *pol, const nodemask_t *nodes);
161 	void (*rebind)(struct mempolicy *pol, const nodemask_t *nodes,
178 static int mpol_new_interleave(struct mempolicy *pol, const nodemask_t *nodes)  in mpol_new_interleave()  argument
180 	if (nodes_empty(*nodes))  in mpol_new_interleave()
182 	pol->v.nodes = *nodes;  in mpol_new_interleave()
186 static int mpol_new_preferred(struct mempolicy *pol, const nodemask_t *nodes)  in mpol_new_preferred()  argument
188 	if (!nodes)  in mpol_new_preferred()
190 	else if (nodes_empty(*nodes))  in mpol_new_preferred()
193 		pol->v.preferred_node = first_node(*nodes);  in mpol_new_preferred()
197 static int mpol_new_bind(struct mempolicy *pol, const nodemask_t *nodes)  in mpol_new_bind()  argument
199 	if (nodes_empty(*nodes))  in mpol_new_bind()
201 	pol->v.nodes = *nodes;  in mpol_new_bind()
215 		     const nodemask_t *nodes, struct nodemask_scratch *nsc)  in mpol_set_nodemask()  argument
226 	VM_BUG_ON(!nodes);  in mpol_set_nodemask()
227 	if (pol->mode == MPOL_PREFERRED && nodes_empty(*nodes))  in mpol_set_nodemask()
228 		nodes = NULL;	/* explicit local allocation */  in mpol_set_nodemask()
231 			mpol_relative_nodemask(&nsc->mask2, nodes, &nsc->mask1);  in mpol_set_nodemask()
233 			nodes_and(nsc->mask2, *nodes, nsc->mask1);  in mpol_set_nodemask()
236 			pol->w.user_nodemask = *nodes;  in mpol_set_nodemask()
242 	if (nodes)  in mpol_set_nodemask()
254 				  nodemask_t *nodes)  in mpol_new()  argument
259 		 mode, flags, nodes ? nodes_addr(*nodes)[0] : NUMA_NO_NODE);  in mpol_new()
262 		if (nodes && !nodes_empty(*nodes))  in mpol_new()
266 	VM_BUG_ON(!nodes);  in mpol_new()
274 		if (nodes_empty(*nodes)) {  in mpol_new()
280 		if (!nodes_empty(*nodes))  in mpol_new()
283 	} else if (nodes_empty(*nodes))  in mpol_new()
303 static void mpol_rebind_default(struct mempolicy *pol, const nodemask_t *nodes,  in mpol_rebind_default()  argument
314 static void mpol_rebind_nodemask(struct mempolicy *pol, const nodemask_t *nodes,  in mpol_rebind_nodemask()  argument
320 		nodes_and(tmp, pol->w.user_nodemask, *nodes);  in mpol_rebind_nodemask()
322 		mpol_relative_nodemask(&tmp, &pol->w.user_nodemask, nodes);  in mpol_rebind_nodemask()
329 			nodes_remap(tmp, pol->v.nodes,  in mpol_rebind_nodemask()
330 					pol->w.cpuset_mems_allowed, *nodes);  in mpol_rebind_nodemask()
331 			pol->w.cpuset_mems_allowed = step ? tmp : *nodes;  in mpol_rebind_nodemask()
334 			pol->w.cpuset_mems_allowed = *nodes;  in mpol_rebind_nodemask()
340 		tmp = *nodes;  in mpol_rebind_nodemask()
343 		nodes_or(pol->v.nodes, pol->v.nodes, tmp);  in mpol_rebind_nodemask()
345 		pol->v.nodes = tmp;  in mpol_rebind_nodemask()
359 				  const nodemask_t *nodes,  in mpol_rebind_preferred()  argument
367 		if (node_isset(node, *nodes)) {  in mpol_rebind_preferred()
373 		mpol_relative_nodemask(&tmp, &pol->w.user_nodemask, nodes);  in mpol_rebind_preferred()
378 						   *nodes);  in mpol_rebind_preferred()
379 		pol->w.cpuset_mems_allowed = *nodes;  in mpol_rebind_preferred()
635 		nodemask_t *nodes, unsigned long flags,  in queue_pages_range()  argument
641 		.nmask = nodes,  in queue_pages_range()
754 			     nodemask_t *nodes)  in do_set_mempolicy()  argument
763 	new = mpol_new(mode, flags, nodes);  in do_set_mempolicy()
770 	ret = mpol_set_nodemask(new, nodes, scratch);  in do_set_mempolicy()
779 	    nodes_weight(new->v.nodes))  in do_set_mempolicy()
780 		current->il_next = first_node(new->v.nodes);  in do_set_mempolicy()
794 static void get_policy_nodemask(struct mempolicy *p, nodemask_t *nodes)  in get_policy_nodemask()  argument
796 	nodes_clear(*nodes);  in get_policy_nodemask()
804 		*nodes = p->v.nodes;  in get_policy_nodemask()
808 			node_set(p->v.preferred_node, *nodes);  in get_policy_nodemask()
1236 static int get_nodes(nodemask_t *nodes, const unsigned long __user *nmask,  in get_nodes()  argument
1244 	nodes_clear(*nodes);  in get_nodes()
1275 	if (copy_from_user(nodes_addr(*nodes), nmask, nlongs*sizeof(unsigned long)))  in get_nodes()
1277 	nodes_addr(*nodes)[nlongs-1] &= endmask;  in get_nodes()  local
1283 			      nodemask_t *nodes)  in copy_nodes_to_user()  argument
1295 	return copy_to_user(mask, nodes_addr(*nodes), copy) ? -EFAULT : 0;  in copy_nodes_to_user()
1302 	nodemask_t nodes;  in SYSCALL_DEFINE6()  local
1313 	err = get_nodes(&nodes, nmask, maxnode);  in SYSCALL_DEFINE6()
1316 	return do_mbind(start, len, mode, mode_flags, &nodes, flags);  in SYSCALL_DEFINE6()
1324 	nodemask_t nodes;  in SYSCALL_DEFINE3()  local
1333 	err = get_nodes(&nodes, nmask, maxnode);  in SYSCALL_DEFINE3()
1336 	return do_set_mempolicy(mode, flags, &nodes);  in SYSCALL_DEFINE3()
1441 	nodemask_t nodes;  in SYSCALL_DEFINE5()  local
1446 	err = do_get_mempolicy(&pval, &nodes, addr, flags);  in SYSCALL_DEFINE5()
1455 		err = copy_nodes_to_user(nmask, maxnode, &nodes);  in SYSCALL_DEFINE5()
1625 	if (!nodes_intersects(policy->v.nodes, node_states[N_HIGH_MEMORY]))  in apply_policy_zone()
1640 			cpuset_nodemask_valid_mems_allowed(&policy->v.nodes))  in policy_nodemask()
1641 		return &policy->v.nodes;  in policy_nodemask()
1663 				unlikely(!node_isset(nd, policy->v.nodes)))  in policy_zonelist()
1664 			nd = first_node(policy->v.nodes);  in policy_zonelist()
1679 	next = next_node(nid, policy->v.nodes);  in interleave_nodes()
1681 		next = first_node(policy->v.nodes);  in interleave_nodes()
1723 							&policy->v.nodes,  in mempolicy_slab_node()
1737 	unsigned nnodes = nodes_weight(pol->v.nodes);  in offset_il_node()
1747 		nid = next_node(nid, pol->v.nodes);  in offset_il_node()
1821 			*nodemask = &(*mpol)->v.nodes;  in huge_zonelist()
1864 		*mask =  mempolicy->v.nodes;  in init_nodemask_of_mempolicy()
1910 		ret = nodes_intersects(mempolicy->v.nodes, *mask);  in mempolicy_nodemask_intersects()
2131 		return !!nodes_equal(a->v.nodes, b->v.nodes);  in __mpol_equal()
2288 		if (node_isset(curnid, pol->v.nodes))  in mpol_misplaced()
2293 				&pol->v.nodes, &zone);  in mpol_misplaced()
2479 		 npol ? nodes_addr(npol->v.nodes)[0] : NUMA_NO_NODE);  in mpol_set_shared_policy()
2652 	nodemask_t nodes;  in mpol_parse_str()  local
2660 		if (nodelist_parse(nodelist, nodes))  in mpol_parse_str()
2662 		if (!nodes_subset(nodes, node_states[N_MEMORY]))  in mpol_parse_str()
2665 		nodes_clear(nodes);  in mpol_parse_str()
2696 			nodes = node_states[N_MEMORY];  in mpol_parse_str()
2735 	new = mpol_new(mode, mode_flags, &nodes);  in mpol_parse_str()
2744 		new->v.nodes = nodes;  in mpol_parse_str()
2746 		new->v.preferred_node = first_node(nodes);  in mpol_parse_str()
2754 	new->w.user_nodemask = nodes;  in mpol_parse_str()
2783 	nodemask_t nodes = NODE_MASK_NONE;  in mpol_to_str()  local
2799 			node_set(pol->v.preferred_node, nodes);  in mpol_to_str()
2803 		nodes = pol->v.nodes;  in mpol_to_str()
2825 	if (!nodes_empty(nodes))  in mpol_to_str()
2827 			       nodemask_pr_args(&nodes));  in mpol_to_str()