linux-kernel - Re: [PATCH v2 4/4] mm, madvise: use standard madvise locking in madvise_set_anon

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Message-ID: <50eb8b8b-cea3-45f8-96d0-45ab88e10909@redhat.com>
Date: Tue, 24 Jun 2025 16:06:35 +0200
From: David Hildenbrand <david@...hat.com>
To: Vlastimil Babka <vbabka@...e.cz>,
 Andrew Morton <akpm@...ux-foundation.org>,
 "Liam R. Howlett" <Liam.Howlett@...cle.com>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Jann Horn <jannh@...gle.com>,
 Mike Rapoport <rppt@...nel.org>, Suren Baghdasaryan <surenb@...gle.com>,
 Michal Hocko <mhocko@...e.com>, Colin Cross <ccross@...gle.com>
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] mm, madvise: use standard madvise locking in
 madvise_set_anon_name()

On 24.06.25 15:03, Vlastimil Babka wrote:
> Use madvise_lock()/madvise_unlock() in madvise_set_anon_name() in the
> same way as in do_madvise(). This narrows the lock scope a bit and
> reuses existing functionality. get_lock_mode() already picks the correct
> MADVISE_MMAP_WRITE_LOCK mode for __MADV_SET_ANON_VMA_NAME so we can just
> remove the explicit assignment.
> 
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
> ---

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb