diff options
Diffstat (limited to 'block/blk-mq-cpumap.c')
| -rw-r--r-- | block/blk-mq-cpumap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c index 1065d7c65fa1..5f13f4d0bcce 100644 --- a/block/blk-mq-cpumap.c +++ b/block/blk-mq-cpumap.c @@ -17,7 +17,7 @@ static int cpu_to_queue_index(unsigned int nr_cpus, unsigned int nr_queues, const int cpu) { - return cpu / ((nr_cpus + nr_queues - 1) / nr_queues); + return cpu * nr_queues / nr_cpus; } static int get_first_sibling(unsigned int cpu) @@ -90,7 +90,7 @@ unsigned int *blk_mq_make_queue_map(struct blk_mq_tag_set *set) unsigned int *map; /* If cpus are offline, map them to first hctx */ - map = kzalloc_node(sizeof(*map) * num_possible_cpus(), GFP_KERNEL, + map = kzalloc_node(sizeof(*map) * nr_cpu_ids, GFP_KERNEL, set->numa_node); if (!map) return NULL; |