Re: [PATCH] mm: remove io-mapping

From: David Hildenbrand
Date: Thu Jul 24 2025 - 10:59:23 EST


On 24.07.25 16:53, 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@xxxxxxxxxx>
---
include/linux/io-mapping.h | 231 -------------------------------------
mm/Kconfig | 4 -
mm/Makefile | 1 -
mm/io-mapping.c | 30 -----
4 files changed, 266 deletions(-)
delete mode 100644 include/linux/io-mapping.h
delete mode 100644 mm/io-mapping.c

IIUC, you're dropping the MAINTAINERS entry in the other patch already

Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb