Revert "rcu: Decrease memory-barrier usage based on semi-formal proof"

[karo-tx-linux.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index 457fff2e17e0a95eac114878b460d8160aec6f40..e7548dee636b1f29f344d4c2a9749a963135f477 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1205,6 +1205,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
         * Clear TID on mm_release()?
         */
        p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr: NULL;
+#ifdef CONFIG_BLOCK
+       p->plug = NULL;
+#endif
 #ifdef CONFIG_FUTEX
        p->robust_list = NULL;
 #ifdef CONFIG_COMPAT