/* This must be called under preempt disabled or must be called by a thread which is pinned to local cpu.  */
static void drain_local_stock(struct work_struct *dummy)
/* This must be called under preempt disabled or must be called by a thread which is pinned to local cpu.  */
static void drain_local_stock(struct work_struct *dummy)
{
	struct memcg_stock_pcp *stock = &__get_cpu_var(memcg_stock);
	drain_stock(stock);
}