diff options
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 29ebf1e7898c..e52e3a0b8f2e 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -131,22 +131,26 @@ static struct mempolicy default_policy = { static struct mempolicy preferred_node_policy[MAX_NUMNODES]; /** - * numa_map_to_online_node - Find closest online node + * numa_nearest_node - Find nearest node by state * @node: Node id to start the search + * @state: State to filter the search * - * Lookup the next closest node by distance if @nid is not online. + * Lookup the closest node by distance if @nid is not in state. * - * Return: this @node if it is online, otherwise the closest node by distance + * Return: this @node if it is in state, otherwise the closest node by distance */ -int numa_map_to_online_node(int node) +int numa_nearest_node(int node, unsigned int state) { int min_dist = INT_MAX, dist, n, min_node; - if (node == NUMA_NO_NODE || node_online(node)) + if (state >= NR_NODE_STATES) + return -EINVAL; + + if (node == NUMA_NO_NODE || node_state(node, state)) return node; min_node = node; - for_each_online_node(n) { + for_each_node_state(n, state) { dist = node_distance(node, n); if (dist < min_dist) { min_dist = dist; @@ -156,7 +160,7 @@ int numa_map_to_online_node(int node) return min_node; } -EXPORT_SYMBOL_GPL(numa_map_to_online_node); +EXPORT_SYMBOL_GPL(numa_nearest_node); struct mempolicy *get_task_policy(struct task_struct *p) { |