sched/fair: Fix open-coded numa_nearest_node()

task_numa_placement() searches for a nearest node to migrate by calling
for_each_node_state(). Now that we have numa_nearest_node(), switch to
using it.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>
Link: https://lore.kernel.org/r/20230819141239.287290-3-yury.norov@gmail.com
This commit is contained in:
Yury Norov 2023-08-19 07:12:34 -07:00 committed by Ingo Molnar
parent b1f099b1cf
commit d1db9fb432

View File

@ -2847,19 +2847,7 @@ static void task_numa_placement(struct task_struct *p)
}
/* Cannot migrate task to CPU-less node */
if (max_nid != NUMA_NO_NODE && !node_state(max_nid, N_CPU)) {
int near_nid = max_nid;
int distance, near_distance = INT_MAX;
for_each_node_state(nid, N_CPU) {
distance = node_distance(max_nid, nid);
if (distance < near_distance) {
near_nid = nid;
near_distance = distance;
}
}
max_nid = near_nid;
}
max_nid = numa_nearest_node(max_nid, N_CPU);
if (ng) {
numa_group_count_active_nodes(ng);