Re: [RFC PATCH v2 00/13] mm: rework anon_vma and remove anon_vma_chain

[Hillf Danton <hdanton@sina.com>]

On Wed, 8 Jul 2026 09:45:00 +0200 "David Hildenbrand (Arm)" wrote:
>On 7/8/26 06:37, Hillf Danton wrote:
>> On Tue, 7 Jul 2026 09:01:04 +0200 "David Hildenbrand (Arm)" wrote:
>>> On 7/7/26 08:32, tao wrote:
>>>> Hi all,
>>>>
>>>> Since v1 was relatively complex and difficult to extend, this version
>>>> adopts a simpler anon_vma implementation approach.
>>>
>>> I really hate to repeat myself, but you seemed to have missed my main point [1]
>>>
>>> "Lorenzo has been hard at work exploring various design options (and I'm afraid
>>> he might be one of the 3 people on this planet that understand anon_vma in full
>>> detail), so I suggest we wait for a redesign proposal from him and see if that
>>> is doable?"
>>>
>> Given that no numabalance could land upstream without horse racing [2], what
>> prevents Lorenzo from becoming another (scarlet? raven black?) lipstick given mglru?
>
> Did you ever look at anon_vma, or are you just joining a discussion to say some
> words nobody understands, really? :)
>
I know this is lore, not a dump land for you, and like thp and kswapd for instance,
anon vma is a part of mm, nothing more. I just want to know if you are telling us
anything true.

BTW are you one of the 3 (legendary knowall) figures (with two heads on their shoulders)?