1 files changed, 12 insertions, 1 deletions

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index b23193518ac7..f1dd691c5359 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -403,6 +403,11 @@ static void throtl_service_queue_exit(struct throtl_service_queue *sq)
         del_timer_sync(&sq->pending_timer);
 }
 
+static struct blkg_policy_data *throtl_pd_alloc(gfp_t gfp, int node)
+{
+        return kzalloc_node(sizeof(struct throtl_grp), gfp, node);
+}
+
 static void throtl_pd_init(struct blkcg_gq *blkg)
 {
         struct throtl_grp *tg = blkg_to_tg(blkg);
@@ -493,6 +498,11 @@ static void throtl_pd_exit(struct blkcg_gq *blkg)
         throtl_service_queue_exit(&tg->service_queue);
 }
 
+static void throtl_pd_free(struct blkg_policy_data *pd)
+{
+        kfree(pd);
+}
+
 static void throtl_pd_reset_stats(struct blkcg_gq *blkg)
 {
         struct throtl_grp *tg = blkg_to_tg(blkg);
@@ -1468,12 +1478,13 @@ static void throtl_shutdown_wq(struct request_queue *q)
 }
 
 static struct blkcg_policy blkcg_policy_throtl = {
-        .pd_size                = sizeof(struct throtl_grp),
         .cftypes                = throtl_files,
 
+        .pd_alloc_fn            = throtl_pd_alloc,
         .pd_init_fn             = throtl_pd_init,
         .pd_online_fn           = throtl_pd_online,
         .pd_exit_fn             = throtl_pd_exit,
+        .pd_free_fn             = throtl_pd_free,
         .pd_reset_stats_fn      = throtl_pd_reset_stats,
 };