On 2021/9/1 0:34, Vlastimil Babka wrote:
> On 8/31/21 15:43, Mel Gorman wrote:
>> On Mon, Aug 30, 2021 at 10:10:50PM +0800, Miaohe Lin wrote:
>>> If it's not prepared to free unref page, the pcp page migratetype is
>>> unset. Thus We will get rubbish from get_pcppage_migratetype() and
>>> might list_del &page->lru again after it's already deleted from the
>>> list leading to grumble about data corruption.
>>>
>>> Fixes: 3dcbe270d8ec ("mm/page_alloc: avoid conflating IRQs disabled with zone->lock")
>>> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
>>
>> Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
>>
>> This fix is fairly important. Take this patch out and send it on its own
>> so it gets picked up relatively quickly. It does not belong in a series
>> that is mostly cosmetic cleanups.
>
> Also Cc: stable, please.
>
>
Will do. Many thanks for both of your suggestions!
>
> .
>
