Re: [PATCH v16 21/22] mm/pgdat: remove pgdat lru_lock

[Alex Shi]

å 2020/7/18 äå5:09, Alexander Duyck åé:
>> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>> index e028b87ce294..4d7df42b32d6 100644
>> --- a/mm/page_alloc.c
>> +++ b/mm/page_alloc.c
>> @@ -6721,7 +6721,6 @@ static void __meminit pgdat_init_internals(struct pglist_data *pgdat)
>>         init_waitqueue_head(&pgdat->pfmemalloc_wait);
>>
>>         pgdat_page_ext_init(pgdat);
>> -       spin_lock_init(&pgdat->lru_lock);
>>         lruvec_init(&pgdat->__lruvec);
>>  }
>>
> This patch would probably make more sense as part of patch 18 since
> you removed all of the users of this field there.


yes, I just want to a bit of sense of ceremony to remove this huge big lock. :)