在 2019/8/20 下午9:40, Matthew Wilcox 写道: > On Tue, Aug 20, 2019 at 05:48:24PM +0800, Alex Shi wrote: >> +++ b/include/linux/mmzone.h >> @@ -295,6 +295,9 @@ struct zone_reclaim_stat { >> >> struct lruvec { >> struct list_head lists[NR_LRU_LISTS]; >> + /* move lru_lock to per lruvec for memcg */ >> + spinlock_t lru_lock; > > This comment makes no sense outside the context of this patch. > Right, Thanks for point out this. will remove it in v2. Thanks Alex