Inside irq_create_affinity_masks(), once 'node_to_cpumask' is created, it is accessed read-only, so mark it as const for get_nodes_in_cpumask(). Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> --- kernel/irq/affinity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index 4b1c4763212d..9f49d6ef0dc8 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -79,7 +79,7 @@ static void build_node_to_cpumask(cpumask_var_t *masks) cpumask_set_cpu(cpu, masks[cpu_to_node(cpu)]); } -static int get_nodes_in_cpumask(cpumask_var_t *node_to_cpumask, +static int get_nodes_in_cpumask(const cpumask_var_t *node_to_cpumask, const struct cpumask *mask, nodemask_t *nodemsk) { int n, nodes = 0; -- 2.9.5