From: Matthew Wilcox <willy@infradead.org>
To: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>,
akpm@linux-foundation.org, dave.hansen@linux.intel.com,
Liam.Howlett@oracle.com, david@kernel.org,
shakeel.butt@linux.dev, vbabka@kernel.org, jannh@google.com,
aliceryhl@google.com, arve@android.com, cmllamas@google.com,
christian@brauner.io, tkjos@android.com, dsahern@kernel.org,
davem@davemloft.net, gregkh@linuxfoundation.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
netdev@vger.kernel.org
Subject: Re: [PATCH v4 1/5] mm: Make per-VMA locks available universally
Date: Mon, 10 Aug 2026 16:56:42 +0100 [thread overview]
Message-ID: <ann0urrWGUqQsHyq@casper.infradead.org> (raw)
In-Reply-To: <anmTYW8X6c9TgaO0@lucifer>
On Mon, Aug 10, 2026 at 11:17:26AM +0100, Lorenzo Stoakes (ARM) wrote:
> And, in general, having consistent per-arch fault logic would be a good
> thing (TM) (and particularly - as Matthew intends to do - having shared
> code for this is a _really_ good idea, the duplication right now is
> horrible).
>
> So perhaps Matthew could do this as part of his changes or you could follow
> up with changes to do that?
>
> I think his work would be made easier by this being the same everywhere,
> however.
Yes, having per-VMA locks everywhere is kind of essential, so I was
planning on going second after this was merged. Hence the careful
review ;-)
next prev parent reply other threads:[~2026-08-10 15:57 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-06 20:05 [PATCH v4 0/5] mm: Unconditional per-VMA locks and cleanups Suren Baghdasaryan
2026-08-06 20:05 ` [PATCH v4 1/5] mm: Make per-VMA locks available universally Suren Baghdasaryan
2026-08-07 15:37 ` Vlastimil Babka (SUSE)
2026-08-08 1:12 ` Matthew Wilcox
2026-08-08 6:08 ` Suren Baghdasaryan
2026-08-10 8:52 ` Lorenzo Stoakes (ARM)
2026-08-10 9:42 ` Lorenzo Stoakes (ARM)
2026-08-10 16:40 ` Suren Baghdasaryan
2026-08-10 10:17 ` Lorenzo Stoakes (ARM)
2026-08-10 15:22 ` Dave Hansen
2026-08-10 15:56 ` Matthew Wilcox [this message]
2026-08-10 17:04 ` Suren Baghdasaryan
2026-08-06 20:05 ` [PATCH v4 2/5] binder: Make shrinker rely solely on per-VMA lock Suren Baghdasaryan
2026-08-07 14:26 ` Alice Ryhl
2026-08-10 10:22 ` Lorenzo Stoakes (ARM)
2026-08-10 18:32 ` Carlos Llamas
2026-08-10 18:54 ` Suren Baghdasaryan
2026-08-10 19:16 ` Carlos Llamas
2026-08-10 21:00 ` Suren Baghdasaryan
2026-08-10 18:57 ` Carlos Llamas
2026-08-06 20:05 ` [PATCH v4 3/5] mm: Add RCU-based VMA lookup helper that waits for writers Suren Baghdasaryan
2026-08-07 15:39 ` Vlastimil Babka (SUSE)
2026-08-08 7:24 ` Matthew Wilcox
2026-08-09 1:07 ` Suren Baghdasaryan
2026-08-10 10:24 ` Lorenzo Stoakes (ARM)
2026-08-10 15:25 ` Dave Hansen
2026-08-08 7:37 ` Matthew Wilcox
2026-08-10 10:41 ` Lorenzo Stoakes (ARM)
2026-08-10 17:07 ` Suren Baghdasaryan
2026-08-06 20:05 ` [PATCH v4 4/5] binder: Remove mmap_lock fallback Suren Baghdasaryan
2026-08-06 20:05 ` [PATCH v4 5/5] tcp: Remove mmap_lock fallback path Suren Baghdasaryan
2026-08-08 7:26 ` Matthew Wilcox
2026-08-09 0:51 ` Suren Baghdasaryan
2026-08-10 15:26 ` Dave Hansen
2026-08-10 17:09 ` Suren Baghdasaryan
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