diff --git a/fs/proc/array.c b/fs/proc/array.c
index 27b59f5..24f7f9f 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -449,8 +449,8 @@
 			gtime += cputime_add(gtime, sig->gtime);
 		}
 
-		sid = signal_session(sig);
-		pgid = process_group(task);
+		sid = task_session_nr(task);
+		pgid = task_pgrp_nr(task);
 		ppid = rcu_dereference(task->real_parent)->tgid;
 
 		unlock_task_sighand(task, &flags);