1 files changed, 8 insertions, 0 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 3e8a0282e9a5..ab06b9f88f64 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -926,6 +926,14 @@ fastcall NORET_TYPE void do_exit(long code)
         tsk->mempolicy = NULL;
 #endif
         /*
+         * This must happen late, after the PID is not
+         * hashed anymore:
+         */
+        if (unlikely(!list_empty(&tsk->pi_state_list)))
+                exit_pi_state_list(tsk);
+        if (unlikely(current->pi_state_cache))
+                kfree(current->pi_state_cache);
+        /*
          * If DEBUG_MUTEXES is on, make sure we are holding no locks:
          */
         mutex_debug_check_no_locks_held(tsk);