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

[linux-2.6-block.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index a9e99f3c18e06c7b6ad1216aafcd1b46d77d5a1c..9cc227d54102256c61f4b5c85bbc1e9d3ba24e04 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1237,6 +1237,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #ifdef CONFIG_CPUSETS
        p->cpuset_mem_spread_rotor = NUMA_NO_NODE;
        p->cpuset_slab_spread_rotor = NUMA_NO_NODE;
+       seqcount_init(&p->mems_allowed_seq);
 #endif
 #ifdef CONFIG_TRACE_IRQFLAGS
        p->irq_events = 0;