linux-kernel - Re: [PATCH v2] mm: remove mm/io-mapping.c

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Message-ID: <3877d5d1-20e5-468e-896b-0bbd54a198d5@suse.cz>
Date: Fri, 25 Jul 2025 16:38:48 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: Christoph Hellwig <hch@...radead.org>,
 David Hildenbrand <david@...hat.com>,
 "Liam R . Howlett" <Liam.Howlett@...cle.com>, Mike Rapoport
 <rppt@...nel.org>, Suren Baghdasaryan <surenb@...gle.com>,
 Michal Hocko <mhocko@...e.com>, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org
Subject: Re: [PATCH v2] mm: remove mm/io-mapping.c

On 7/25/25 16:29, Lorenzo Stoakes wrote:
> This is dead code, which was used from commit b739f125e4eb ("i915: use
> io_mapping_map_user") but reverted a month later by commit
> 0e4fe0c9f2f9 ("Revert "i915: use io_mapping_map_user"") back in 2021.
> 
> Since then nobody has used it, so remove it.
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
> Acked-by: David Hildenbrand <david@...hat.com>

Acked-by: Vlastimil Babka <vbabka@...e.cz>

Think we'll need also to remove this line:

Documentation/core-api/mm-api.rst:.. kernel-doc:: mm/io-mapping.c