Lines Matching full:nodes
15 * interleave Allocate memory interleaved over a set of nodes,
22 * bind Only allocate memory on a specific set of nodes,
26 * the allocation to memory nodes instead
34 * preferred many Try a set of nodes first before normal fallback. This is
186 int (*create)(struct mempolicy *pol, const nodemask_t *nodes);
187 void (*rebind)(struct mempolicy *pol, const nodemask_t *nodes);
203 static int mpol_new_nodemask(struct mempolicy *pol, const nodemask_t *nodes) in mpol_new_nodemask() argument
205 if (nodes_empty(*nodes)) in mpol_new_nodemask()
207 pol->nodes = *nodes; in mpol_new_nodemask()
211 static int mpol_new_preferred(struct mempolicy *pol, const nodemask_t *nodes) in mpol_new_preferred() argument
213 if (nodes_empty(*nodes)) in mpol_new_preferred()
216 nodes_clear(pol->nodes); in mpol_new_preferred()
217 node_set(first_node(*nodes), pol->nodes); in mpol_new_preferred()
223 * any, for the new policy. mpol_new() has already validated the nodes
230 const nodemask_t *nodes, struct nodemask_scratch *nsc) in mpol_set_nodemask() argument
246 VM_BUG_ON(!nodes); in mpol_set_nodemask()
249 mpol_relative_nodemask(&nsc->mask2, nodes, &nsc->mask1); in mpol_set_nodemask()
251 nodes_and(nsc->mask2, *nodes, nsc->mask1); in mpol_set_nodemask()
254 pol->w.user_nodemask = *nodes; in mpol_set_nodemask()
264 * initialization. You must invoke mpol_set_nodemask() to set nodes.
267 nodemask_t *nodes) in mpol_new() argument
271 pr_debug("setting mode %d flags %d nodes[0] %lx\n", in mpol_new()
272 mode, flags, nodes ? nodes_addr(*nodes)[0] : NUMA_NO_NODE); in mpol_new()
275 if (nodes && !nodes_empty(*nodes)) in mpol_new()
279 VM_BUG_ON(!nodes); in mpol_new()
287 if (nodes_empty(*nodes)) { in mpol_new()
295 if (!nodes_empty(*nodes) || in mpol_new()
299 } else if (nodes_empty(*nodes)) in mpol_new()
320 static void mpol_rebind_default(struct mempolicy *pol, const nodemask_t *nodes) in mpol_rebind_default() argument
324 static void mpol_rebind_nodemask(struct mempolicy *pol, const nodemask_t *nodes) in mpol_rebind_nodemask() argument
329 nodes_and(tmp, pol->w.user_nodemask, *nodes); in mpol_rebind_nodemask()
331 mpol_relative_nodemask(&tmp, &pol->w.user_nodemask, nodes); in mpol_rebind_nodemask()
333 nodes_remap(tmp, pol->nodes, pol->w.cpuset_mems_allowed, in mpol_rebind_nodemask()
334 *nodes); in mpol_rebind_nodemask()
335 pol->w.cpuset_mems_allowed = *nodes; in mpol_rebind_nodemask()
339 tmp = *nodes; in mpol_rebind_nodemask()
341 pol->nodes = tmp; in mpol_rebind_nodemask()
345 const nodemask_t *nodes) in mpol_rebind_preferred() argument
347 pol->w.cpuset_mems_allowed = *nodes; in mpol_rebind_preferred()
351 * mpol_rebind_policy - Migrate a policy to a different set of nodes
700 * Check page nodes, and queue pages to move, in the current vma. in queue_pages_test_walk()
725 * If pages found in a given range are not on the required set of @nodes,
738 nodemask_t *nodes, unsigned long flags, in queue_pages_range() argument
745 .nmask = nodes, in queue_pages_range()
850 nodemask_t *nodes) in do_set_mempolicy() argument
859 new = mpol_new(mode, flags, nodes); in do_set_mempolicy()
866 ret = mpol_set_nodemask(new, nodes, scratch); in do_set_mempolicy()
890 static void get_policy_nodemask(struct mempolicy *p, nodemask_t *nodes) in get_policy_nodemask() argument
892 nodes_clear(*nodes); in get_policy_nodemask()
901 *nodes = p->nodes; in get_policy_nodemask()
986 *policy = next_node_in(current->il_prev, pol->nodes); in do_get_mempolicy()
1132 * This lets us pick a pair of nodes to migrate between, such that in do_migrate_pages()
1161 * However if the number of source nodes is not equal to in do_migrate_pages()
1162 * the number of destination nodes we can not preserve in do_migrate_pages()
1182 /* dest not in remaining from nodes? */ in do_migrate_pages()
1304 pr_debug("mbind %lx-%lx mode:%d flags:%d nodes:%lx\n", in do_mbind()
1391 static int get_nodes(nodemask_t *nodes, const unsigned long __user *nmask, in get_nodes() argument
1395 nodes_clear(*nodes); in get_nodes()
1402 * When the user specified more nodes than supported just check in get_nodes()
1423 return get_bitmap(nodes_addr(*nodes), nmask, maxnode); in get_nodes()
1428 nodemask_t *nodes) in copy_nodes_to_user() argument
1448 nodes_addr(*nodes), maxnode); in copy_nodes_to_user()
1450 return copy_to_user(mask, nodes_addr(*nodes), copy) ? -EFAULT : 0; in copy_nodes_to_user()
1476 nodemask_t nodes; in kernel_mbind() local
1485 err = get_nodes(&nodes, nmask, maxnode); in kernel_mbind()
1489 return do_mbind(start, len, lmode, mode_flags, &nodes, flags); in kernel_mbind()
1571 nodemask_t nodes; in kernel_set_mempolicy() local
1579 err = get_nodes(&nodes, nmask, maxnode); in kernel_set_mempolicy()
1583 return do_set_mempolicy(lmode, mode_flags, &nodes); in kernel_set_mempolicy()
1642 /* Is the user allowed to access the target nodes? */ in kernel_migrate_pages()
1697 nodemask_t nodes; in kernel_get_mempolicy() local
1704 err = do_get_mempolicy(&pval, &nodes, addr, flags); in kernel_get_mempolicy()
1713 err = copy_nodes_to_user(nmask, maxnode, &nodes); in kernel_get_mempolicy()
1830 * if policy->nodes has movable memory only, in apply_policy_zone()
1833 * policy->nodes is intersect with node_states[N_MEMORY]. in apply_policy_zone()
1835 * policy->nodes has movable memory only. in apply_policy_zone()
1837 if (!nodes_intersects(policy->nodes, node_states[N_HIGH_MEMORY])) in apply_policy_zone()
1844 * Return a nodemask representing a mempolicy for filtering nodes for
1854 cpuset_nodemask_valid_mems_allowed(&policy->nodes)) in policy_nodemask()
1855 return &policy->nodes; in policy_nodemask()
1858 return &policy->nodes; in policy_nodemask()
1873 nd = first_node(policy->nodes); in policy_node()
1897 next = next_node_in(me->il_prev, policy->nodes); in interleave_nodes()
1921 return first_node(policy->nodes); in mempolicy_slab_node()
1939 &policy->nodes); in mempolicy_slab_node()
1952 * node in pol->nodes (starting from n=0), wrapping around if n exceeds the
1953 * number of present nodes.
1957 nodemask_t nodemask = pol->nodes; in offset_il_node()
1965 * Between first_node() and next_node(), pol->nodes could be changed in offset_il_node()
1966 * by other threads. So we put pol->nodes in a local stack. in offset_il_node()
2034 *nodemask = &(*mpol)->nodes; in huge_node()
2069 *mask = mempolicy->nodes; in init_nodemask_of_mempolicy()
2091 * memory allocated from all nodes in system.
2107 ret = nodes_intersects(mempolicy->nodes, *mask); in mempolicy_in_oom_domain()
2140 * preferred nodes but skip the direct reclaim and allow the in alloc_pages_preferred_many()
2142 * nodes in system. in alloc_pages_preferred_many()
2146 page = __alloc_pages(preferred_gfp, order, nid, &pol->nodes); in alloc_pages_preferred_many()
2207 * node and don't fall back to other nodes, as the cost of in vma_alloc_folio()
2214 hpage_node = first_node(pol->nodes); in vma_alloc_folio()
2299 int nodes; in alloc_pages_bulk_array_interleave() local
2306 nodes = nodes_weight(pol->nodes); in alloc_pages_bulk_array_interleave()
2307 nr_pages_per_node = nr_pages / nodes; in alloc_pages_bulk_array_interleave()
2308 delta = nr_pages - nodes * nr_pages_per_node; in alloc_pages_bulk_array_interleave()
2310 for (i = 0; i < nodes; i++) { in alloc_pages_bulk_array_interleave()
2340 nr_allocated = __alloc_pages_bulk(preferred_gfp, nid, &pol->nodes, in alloc_pages_bulk_array_preferred_many()
2442 return !!nodes_equal(a->nodes, b->nodes); in __mpol_equal()
2582 if (node_isset(curnid, pol->nodes)) in mpol_misplaced()
2584 polnid = first_node(pol->nodes); in mpol_misplaced()
2592 /* Optimize placement among multiple nodes via NUMA balancing */ in mpol_misplaced()
2594 if (node_isset(thisnid, pol->nodes)) in mpol_misplaced()
2604 * If no allowed nodes, use current [!misplaced]. in mpol_misplaced()
2606 if (node_isset(curnid, pol->nodes)) in mpol_misplaced()
2611 &pol->nodes); in mpol_misplaced()
2815 npol ? nodes_addr(npol->nodes)[0] : NUMA_NO_NODE); in mpol_set_shared_policy()
2913 .nodes = nodemask_of_node(nid), in numa_policy_init()
2919 * enabled across suitably sized nodes (default is >= 16MB), or in numa_policy_init()
2983 nodemask_t nodes; in mpol_parse_str() local
2994 if (nodelist_parse(nodelist, nodes)) in mpol_parse_str()
2996 if (!nodes_subset(nodes, node_states[N_MEMORY])) in mpol_parse_str()
2999 nodes_clear(nodes); in mpol_parse_str()
3009 * we use first_node(nodes) to grab a single node, so here in mpol_parse_str()
3010 * nodelist (or nodes) cannot be empty. in mpol_parse_str()
3018 if (nodes_empty(nodes)) in mpol_parse_str()
3024 * Default to online nodes with memory if no nodelist in mpol_parse_str()
3027 nodes = node_states[N_MEMORY]; in mpol_parse_str()
3066 new = mpol_new(mode, mode_flags, &nodes); in mpol_parse_str()
3071 * Save nodes for mpol_to_str() to show the tmpfs mount options in mpol_parse_str()
3075 new->nodes = nodes; in mpol_parse_str()
3077 nodes_clear(new->nodes); in mpol_parse_str()
3078 node_set(first_node(nodes), new->nodes); in mpol_parse_str()
3084 * Save nodes for contextualization: this will be used to "clone" in mpol_parse_str()
3087 new->w.user_nodemask = nodes; in mpol_parse_str()
3117 nodemask_t nodes = NODE_MASK_NONE; in mpol_to_str() local
3137 nodes = pol->nodes; in mpol_to_str()
3165 if (!nodes_empty(nodes)) in mpol_to_str()
3167 nodemask_pr_args(&nodes)); in mpol_to_str()