256 	struct mempolicy *policy;  in mpol_new()  local
285 	policy = kmem_cache_alloc(policy_cache, GFP_KERNEL);  in mpol_new()
286 	if (!policy)  in mpol_new()
288 	atomic_set(&policy->refcnt, 1);  in mpol_new()
289 	policy->mode = mode;  in mpol_new()
290 	policy->flags = flags;  in mpol_new()
292 	return policy;  in mpol_new()
830 static long do_get_mempolicy(int *policy, nodemask_t *nmask,  in do_get_mempolicy()  argument
845 		*policy = 0;	/* just so it's initialized */  in do_get_mempolicy()
879 			*policy = err;  in do_get_mempolicy()
882 			*policy = current->il_next;  in do_get_mempolicy()
888 		*policy = pol == &default_policy ? MPOL_DEFAULT :  in do_get_mempolicy()
894 		*policy |= (pol->flags & MPOL_MODE_FLAGS);  in do_get_mempolicy()
1435 SYSCALL_DEFINE5(get_mempolicy, int __user *, policy,  in SYSCALL_DEFINE5()  argument
1451 	if (policy && put_user(pval, policy))  in SYSCALL_DEFINE5()
1462 COMPAT_SYSCALL_DEFINE5(get_mempolicy, int __user *, policy,  in COMPAT_SYSCALL_DEFINE5()  argument
1478 	err = sys_get_mempolicy(policy, nm, nr_bits+1, addr, flags);  in COMPAT_SYSCALL_DEFINE5()
1611 static int apply_policy_zone(struct mempolicy *policy, enum zone_type zone)  in apply_policy_zone()  argument
1625 	if (!nodes_intersects(policy->v.nodes, node_states[N_HIGH_MEMORY]))  in apply_policy_zone()
1635 static nodemask_t *policy_nodemask(gfp_t gfp, struct mempolicy *policy)  in policy_nodemask()  argument
1638 	if (unlikely(policy->mode == MPOL_BIND) &&  in policy_nodemask()
1639 			apply_policy_zone(policy, gfp_zone(gfp)) &&  in policy_nodemask()
1640 			cpuset_nodemask_valid_mems_allowed(&policy->v.nodes))  in policy_nodemask()
1641 		return &policy->v.nodes;  in policy_nodemask()
1647 static struct zonelist *policy_zonelist(gfp_t gfp, struct mempolicy *policy,  in policy_zonelist()  argument
1650 	switch (policy->mode) {  in policy_zonelist()
1652 		if (!(policy->flags & MPOL_F_LOCAL))  in policy_zonelist()
1653 			nd = policy->v.preferred_node;  in policy_zonelist()
1663 				unlikely(!node_isset(nd, policy->v.nodes)))  in policy_zonelist()
1664 			nd = first_node(policy->v.nodes);  in policy_zonelist()
1673 static unsigned interleave_nodes(struct mempolicy *policy)  in interleave_nodes()  argument
1679 	next = next_node(nid, policy->v.nodes);  in interleave_nodes()
1681 		next = first_node(policy->v.nodes);  in interleave_nodes()
1693 	struct mempolicy *policy;  in mempolicy_slab_node()  local
1699 	policy = current->mempolicy;  in mempolicy_slab_node()
1700 	if (!policy || policy->flags & MPOL_F_LOCAL)  in mempolicy_slab_node()
1703 	switch (policy->mode) {  in mempolicy_slab_node()
1708 		return policy->v.preferred_node;  in mempolicy_slab_node()
1711 		return interleave_nodes(policy);  in mempolicy_slab_node()
1723 							&policy->v.nodes,  in mempolicy_slab_node()
2202 		 new->policy ? new->policy->mode : 0);  in sp_insert()
2217 		mpol_get(sn->policy);  in mpol_shared_policy_lookup()
2218 		pol = sn->policy;  in mpol_shared_policy_lookup()
2226 	mpol_put(n->policy);  in sp_free()
2329 	node->policy = pol;  in sp_node_init()
2379 				*mpol_new = *n->policy;  in shared_policy_replace()