diff options
| author | Yury Norov <yury.norov@gmail.com> | 2023-08-19 07:12:34 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-09-15 13:48:10 +0200 |
| commit | d1db9fb432d50b0eecdfdd85d17cc15a59cc093b (patch) | |
| tree | 47f0754f44ce59c0f9f72ede2ca06c7e2f654d1f /kernel/sched/fair.c | |
| parent | b1f099b1cf51d553c510c6c8141c27d9ba7ea1fe (diff) | |
| download | lwn-d1db9fb432d50b0eecdfdd85d17cc15a59cc093b.tar.gz lwn-d1db9fb432d50b0eecdfdd85d17cc15a59cc093b.zip | |
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
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 8dbff6e7ad4f..41cfd61b4d6b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -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); |