linux-kernel - Re: [PATCH RESEND v3 09/10] mm/vma: update vma_assert

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Message-ID: <2266bb1f-8e22-41c9-82ce-fc46fce48ffb@lucifer.local>
Date: Fri, 23 Jan 2026 18:45:13 +0000
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...nel.org>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>,
        Michal Hocko <mhocko@...e.com>, Shakeel Butt <shakeel.butt@...ux.dev>,
        Jann Horn <jannh@...gle.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-rt-devel@...ts.linux.dev,
        Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
        Will Deacon <will@...nel.org>, Boqun Feng <boqun.feng@...il.com>,
        Waiman Long <longman@...hat.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Clark Williams <clrkwllms@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH RESEND v3 09/10] mm/vma: update vma_assert_locked() to
 use lockdep

On Thu, Jan 22, 2026 at 02:02:53PM -0800, Suren Baghdasaryan wrote:
> On Thu, Jan 22, 2026 at 5:02 AM Lorenzo Stoakes
> <lorenzo.stoakes@...cle.com> wrote:
> >
> > We can use lockdep to avoid unnecessary work here, otherwise update the
> > code to logically evaluate all pertinent cases and share code with
> > vma_assert_write_locked().
> >
> > Make it clear here that we treat the VMA being detached at this point as a
> > bug, this was only implicit before.
> >
> > Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
>
> Looks correct.
> Reviewed-by: Suren Baghdasaryan <surenb@...gle.com>

Thanks!