271 	struct mempolicy *policy;  in mpol_new()  local
302 	policy = kmem_cache_alloc(policy_cache, GFP_KERNEL);  in mpol_new()
303 	if (!policy)  in mpol_new()
305 	atomic_set(&policy->refcnt, 1);  in mpol_new()
306 	policy->mode = mode;  in mpol_new()
307 	policy->flags = flags;  in mpol_new()
309 	return policy;  in mpol_new()
945 static long do_get_mempolicy(int *policy, nodemask_t *nmask,  in do_get_mempolicy()  argument
960 		*policy = 0;	/* just so it's initialized */  in do_get_mempolicy()
1003 			*policy = err;  in do_get_mempolicy()
1006 			*policy = next_node_in(current->il_prev, pol->v.nodes);  in do_get_mempolicy()
1012 		*policy = pol == &default_policy ? MPOL_DEFAULT :  in do_get_mempolicy()
1018 		*policy |= (pol->flags & MPOL_MODE_FLAGS);  in do_get_mempolicy()
1611 static int kernel_get_mempolicy(int __user *policy,  in kernel_get_mempolicy()  argument
1631 	if (policy && put_user(pval, policy))  in kernel_get_mempolicy()
1640 SYSCALL_DEFINE5(get_mempolicy, int __user *, policy,  in SYSCALL_DEFINE5()  argument
1644 	return kernel_get_mempolicy(policy, nmask, maxnode, addr, flags);  in SYSCALL_DEFINE5()
1649 COMPAT_SYSCALL_DEFINE5(get_mempolicy, int __user *, policy,  in COMPAT_SYSCALL_DEFINE5()  argument
1665 	err = kernel_get_mempolicy(policy, nm, nr_bits+1, addr, flags);  in COMPAT_SYSCALL_DEFINE5()
1860 static int apply_policy_zone(struct mempolicy *policy, enum zone_type zone)  in apply_policy_zone()  argument
1874 	if (!nodes_intersects(policy->v.nodes, node_states[N_HIGH_MEMORY]))  in apply_policy_zone()
1884 nodemask_t *policy_nodemask(gfp_t gfp, struct mempolicy *policy)  in policy_nodemask()  argument
1887 	if (unlikely(policy->mode == MPOL_BIND) &&  in policy_nodemask()
1888 			apply_policy_zone(policy, gfp_zone(gfp)) &&  in policy_nodemask()
1889 			cpuset_nodemask_valid_mems_allowed(&policy->v.nodes))  in policy_nodemask()
1890 		return &policy->v.nodes;  in policy_nodemask()
1896 static int policy_node(gfp_t gfp, struct mempolicy *policy, int nd)  in policy_node()  argument
1898 	if (policy->mode == MPOL_PREFERRED && !(policy->flags & MPOL_F_LOCAL))  in policy_node()
1899 		nd = policy->v.preferred_node;  in policy_node()
1906 		WARN_ON_ONCE(policy->mode == MPOL_BIND && (gfp & __GFP_THISNODE));  in policy_node()
1913 static unsigned interleave_nodes(struct mempolicy *policy)  in interleave_nodes()  argument
1918 	next = next_node_in(me->il_prev, policy->v.nodes);  in interleave_nodes()
1930 	struct mempolicy *policy;  in mempolicy_slab_node()  local
1936 	policy = current->mempolicy;  in mempolicy_slab_node()
1937 	if (!policy || policy->flags & MPOL_F_LOCAL)  in mempolicy_slab_node()
1940 	switch (policy->mode) {  in mempolicy_slab_node()
1945 		return policy->v.preferred_node;  in mempolicy_slab_node()
1948 		return interleave_nodes(policy);  in mempolicy_slab_node()
1961 							&policy->v.nodes);  in mempolicy_slab_node()
2429 		 new->policy ? new->policy->mode : 0);  in sp_insert()
2444 		mpol_get(sn->policy);  in mpol_shared_policy_lookup()
2445 		pol = sn->policy;  in mpol_shared_policy_lookup()
2453 	mpol_put(n->policy);  in sp_free()
2569 	node->policy = pol;  in sp_node_init()
2619 				*mpol_new = *n->policy;  in shared_policy_replace()