user_ns: improve the user_ns on-the-slab packaging

[~andy/linux] / kernel / taskstats.c

diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 3308fd7f1b52f170e4da5dd7e26749aca652ef1b..69691eb4b715da804555e04c79aa4ba44ec2bdd3 100644 (file)
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -89,8 +89,7 @@ static int prepare_reply(struct genl_info *info, u8 cmd, struct sk_buff **skbp,
                return -ENOMEM;
 
        if (!info) {
-               int seq = get_cpu_var(taskstats_seqnum)++;
-               put_cpu_var(taskstats_seqnum);
+               int seq = this_cpu_inc_return(taskstats_seqnum) - 1;
 
                reply = genlmsg_put(skb, 0, seq, &family, 0, cmd);
        } else
@@ -612,7 +611,7 @@ void taskstats_exit(struct task_struct *tsk, int group_dead)
                fill_tgid_exit(tsk);
        }
 
-       listeners = &__raw_get_cpu_var(listener_array);
+       listeners = __this_cpu_ptr(&listener_array);
        if (list_empty(&listeners->list))
                return;