VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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// SPDX-License-Identifier: GPL-2.0
#include <linux/nodemask.h>
#include <linux/module.h>
#include <linux/random.h>

int __next_node_in(int node, const nodemask_t *srcp)
	int ret = __next_node(node, srcp);

	if (ret == MAX_NUMNODES)
		ret = __first_node(srcp);
	return ret;

 * Return the bit number of a random bit set in the nodemask.
 * (returns NUMA_NO_NODE if nodemask is empty)
int node_random(const nodemask_t *maskp)
	int w, bit = NUMA_NO_NODE;

	w = nodes_weight(*maskp);
	if (w)
		bit = bitmap_ord_to_pos(maskp->bits,
			get_random_int() % w, MAX_NUMNODES);
	return bit;