cpuset: mm: reduce large amounts of memory barrier related damage v3

[pandora-kernel.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index 79ee71f..222457a 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -979,6 +979,9 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 #ifdef CONFIG_CGROUPS
        init_rwsem(&sig->threadgroup_fork_lock);
 #endif
+#ifdef CONFIG_CPUSETS
+       seqcount_init(&tsk->mems_allowed_seq);
+#endif
 
        sig->oom_adj = current->signal->oom_adj;
        sig->oom_score_adj = current->signal->oom_score_adj;