Re: [PATCH 1/2] mm/khugepaged: fix spurious -EINVAL from sub-PMD MADV_COLLAPSE range

[David Hildenbrand (Arm)]

>>
>> In general, LGTM, but see for conflict:
>> https://lore.kernel.org/all/20260409014323.2385982-1-ye.liu@xxxxxxxxx/
> 
> Please use mm-unstable as a basis for your mm work Chen, this is something you
> need to fix, the patch above has been around for a while and is in
> mm-unstable.
> 
> You have patches in mm already so you should know better by now.
> 
> But I'm really not sure I'm in favour of this anyway. I'll defer to David but
> this feels useless to me.
I don't enjoy the underflow in the return statement, so I think we should just
clean that up.

-- 
Cheers,

David