block: fix function name in comment

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Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-mq.c

@@ -2063,7 +2063,7 @@ void blk_mq_free_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
 		list_del_init(&page->lru);
 		/*
 		 * Remove kmemleak object previously allocated in
-		 * blk_mq_init_rq_map().
+		 * blk_mq_alloc_rqs().
 		 */
 		kmemleak_free(page_address(page));
 		__free_pages(page, page->private);