diff options
Diffstat (limited to 'block/blk-mq-cpumap.c')
| -rw-r--r-- | block/blk-mq-cpumap.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c index 03a534820271..f945621a0e8f 100644 --- a/block/blk-mq-cpumap.c +++ b/block/blk-mq-cpumap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * CPU <-> hardware queue mapping helpers * @@ -41,8 +42,8 @@ int blk_mq_map_queues(struct blk_mq_queue_map *qmap) /* * First do sequential mapping between CPUs and queues. * In case we still have CPUs to map, and we have some number of - * threads per cores then map sibling threads to the same queue for - * performace optimizations. + * threads per cores then map sibling threads to the same queue + * for performance optimizations. */ if (cpu < nr_queues) { map[cpu] = cpu_to_queue_index(qmap, nr_queues, cpu); @@ -59,7 +60,11 @@ int blk_mq_map_queues(struct blk_mq_queue_map *qmap) } EXPORT_SYMBOL_GPL(blk_mq_map_queues); -/* +/** + * blk_mq_hw_queue_to_node - Look up the memory node for a hardware queue index + * @qmap: CPU to hardware queue map. + * @index: hardware queue index. + * * We have no quick way of doing reverse lookups. This is only used at * queue init time, so runtime isn't important. */ |