Re: [RFC v2 1/3] migrate: new struct migration and add it to struct page

[Minchan Kim]

On Thu, Oct 15, 2015 at 11:27:15AM +0200, Vlastimil Babka wrote:
> On 10/15/2015 11:09 AM, Hui Zhu wrote:
> >I got that add function interfaces is really not a good idea.
> >So I add a new struct migration to put all migration interfaces and add
> >this struct to struct page as union of "mapping".
> 
> That's better, but not as flexible as the previously proposed
> approaches that Sergey pointed you at:
> 
>  http://lkml.iu.edu/hypermail/linux/kernel/1507.0/03233.html
>  http://lkml.iu.edu/hypermail/linux/kernel/1508.1/00696.html
> 
> There the operations are reachable via mapping, so we can support
> the special operations migration also when mapping is otherwise
> needed; your patch excludes mapping.
> 

Hello Hui,

FYI, I take over the work from Gioh and have a plan to improve the work.
So, Could you wait a bit? Of course, if you have better idea, feel free
to post it.

Thanks.
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