1 #include <linux/nodemask.h>
2 #include <linux/module.h>
3 #include <linux/random.h>
5 int __next_node_in(int node, const nodemask_t *srcp)
7 int ret = __next_node(node, srcp);
9 if (ret == MAX_NUMNODES)
10 ret = __first_node(srcp);
13 EXPORT_SYMBOL(__next_node_in);
17 * Return the bit number of a random bit set in the nodemask.
18 * (returns NUMA_NO_NODE if nodemask is empty)
20 int node_random(const nodemask_t *maskp)
22 int w, bit = NUMA_NO_NODE;
24 w = nodes_weight(*maskp);
26 bit = bitmap_ord_to_pos(maskp->bits,
27 get_random_int() % w, MAX_NUMNODES);