Re: [PATCH v2] mm/page_isolation: fix potential missing call to unset_migratetype_isolate()

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On 2021/9/14 15:06, Michal Hocko wrote:
> On Tue 14-09-21 11:09:47, Miaohe Lin wrote:
> [...]
>> So even the Fixes tag should be removed ?
> 
> I would keep that one there. Fixes tag is useful to frame the scope of
> the fix. For example when somebody is backporting the commit mentioned
> in the Fixes tag then a) a lot of follow up patches with Fixes can tell
> you this won't be an easy ride and you might want to reconsider risks
> vs. benefit b) it helps to collect follow up fixes more easily.
> 
> That is a different story from cc: stable which just collects patches
> and push them to all consumers of the stable branch if they apply.
> 
> To conclude, the Fixes tag is a generaly useful tag to bind patches
> together and let people evaluate how important that is while Cc stable
> is an indication that a fix is serious enough to push to all stable
> users.
> 

I see. Many thanks for your detailed explanation! :)




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