From: Gregory Price <gourry@gourry.net>
To: wangtao <tao.wangtao@honor.com>
Cc: "David Hildenbrand (Arm)" <david@kernel.org>,
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Subject: Re: [RFC PATCH v2 00/13] mm: rework anon_vma and remove anon_vma_chain
Date: Tue, 7 Jul 2026 12:19:13 -0400 [thread overview]
Message-ID: <ak0nAXzlwnQ-zPkN@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <f640c89d9722462098bf1b7a0a6854c2@honor.com>
On Tue, Jul 07, 2026 at 09:20:24AM +0000, wangtao wrote:
> > >
> > > If there are technical issues, please point them out directly.
> > > Or is this simply how technical discussions are usually conducted in the
> > Linux community or the mm subsystem?
> >
> > I suggest you go back and read my email.
>
> At first, I thought I was the only one who found anon_vma hard to understand. After reading your earlier email,
> I realized that many people also consider it difficult to follow. So I tried a different approach and implemented
> anon_vma rmap using a simpler doubly linked list plus depth mechanism.
>
The in-flight was discussed at LSF and then reported on by lwn
https://lwn.net/Articles/1072378/
https://git.kernel.org/pub/scm/linux/kernel/git/ljs/linux.git/log/?h=project/cow-context
If you have issues with the in-flight work and think there's a better
way, it would be good to engage on that front - rather than posting
competing work and expecting maintainers to have to context switch
between two solutions for an objectively hard to understand problem
(which carries significant risk of regressions).
No one is saying you can't engage, just trying to avoid doing the same
work twice for negative value.
~Gregory
next prev parent reply other threads:[~2026-07-07 16:19 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-07 6:32 tao
2026-07-07 6:32 ` [RFC PATCH v2 01/13] mm: add CONFIG_ANON_VMA_FRACTAL tao
2026-07-07 6:32 ` [RFC PATCH v2 02/13] mm: implement helpers for ANON_VMA_FRACTAL tao
2026-07-07 6:32 ` [RFC PATCH v2 03/13] mm: implement __anon_node_prepare " tao
2026-07-07 6:32 ` [RFC PATCH v2 04/13] mm: implement anon_node_clone " tao
2026-07-07 6:33 ` [RFC PATCH v2 05/13] mm: implement anon_node_fork_with_prev " tao
2026-07-07 6:33 ` [RFC PATCH v2 06/13] mm: implement unlink_anon_nodes " tao
2026-07-07 6:33 ` [RFC PATCH v2 07/13] mm: handle rmap_base changes " tao
2026-07-07 6:33 ` [RFC PATCH v2 08/13] mm: implement anonymous folio rmap " tao
2026-07-07 6:33 ` [RFC PATCH v2 09/13] mm: prepare anon_node replacement " tao
2026-07-07 6:33 ` [RFC PATCH v2 10/13] mm: replace anon_vma with anon_node " tao
2026-07-07 6:33 ` [RFC PATCH v2 11/13] mm: optimize rmap for ANON_VMA_FRACTAL with PVL tao
2026-07-07 6:33 ` [RFC PATCH v2 12/13] mm: shared semaphores for ANON_VMA_FRACTAL tao
2026-07-07 6:33 ` [RFC PATCH v2 13/13] mm: Enable CONFIG_ANON_VMA_FRACTAL by default tao
2026-07-07 7:01 ` [RFC PATCH v2 00/13] mm: rework anon_vma and remove anon_vma_chain David Hildenbrand (Arm)
2026-07-07 8:21 ` wangtao
2026-07-07 8:31 ` David Hildenbrand (Arm)
2026-07-07 9:20 ` wangtao
2026-07-07 16:19 ` Gregory Price [this message]
2026-07-07 17:09 ` David Hildenbrand (Arm)
2026-07-08 3:26 ` wangtao
2026-07-08 8:18 ` David Hildenbrand (Arm)
2026-07-07 9:07 ` Pedro Falcato
2026-07-08 4:37 ` Hillf Danton
2026-07-08 7:45 ` David Hildenbrand (Arm)
2026-07-08 9:15 ` Hillf Danton
2026-07-08 11:05 ` David Hildenbrand (Arm)
2026-07-07 15:27 ` Borislav Petkov
2026-07-07 21:32 ` [syzbot ci] " syzbot ci
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