linux-kernel - Re: [PATCH 1/2] mm: move mmap/vma locking logic into specific files

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Message-ID: <e98bfbad-2aa5-418d-b3ca-019a3f509afe@lucifer.local>
Date: Wed, 16 Apr 2025 08:32:25 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Matthew Wilcox <willy@...radead.org>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        SeongJae Park <sj@...nel.org>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH 1/2] mm: move mmap/vma locking logic into specific files

On Tue, Apr 15, 2025 at 09:07:54AM -0700, Suren Baghdasaryan wrote:
[snip]
> > #ifdef CONFIG_MMU
> >     #ifdef CONFIG_LOCK_MM_AND_FIND_VMA
> >     // MMU version of lock_mm_and_find_vma() and helpers
> >     #endif /* CONFIG_LOCK_MM_AND_FIND_VMA */
> > #else /* CONFIG_MMU */
> >     // NOMMU version of lock_mm_and_find_vma()
> > #endif /* CONFIG_MMU */
> >
> > Note that CONFIG_PER_VMA_LOCK already depends on CONFIG_NOMMU.
>
> I meant to say CONFIG_PER_VMA_LOCK already depends on CONFIG_MMU :)
>

Haha ack :)

[snip]