[GIT PULL] dma-mapping updates for Linux 7.4

[Marek Szyprowski]

The following changes since commit cee9395acd8043be0644b25c34bfa86623f2b935:

  Linux 7.3-rc1 (2026-08-30 13:34:40 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux.git tags/dma-mapping-7.4-2026-10-21

for you to fetch changes up to 4733f2966433b7f926f70c9dc461c33cd5c10835:

  dma-debug: Skip cacheline tracking for MMIO mappings (2026-10-14 15:07:22 +0200)

----------------------------------------------------------------
dma-mapping updates for Linux 7.4:

- several SWIOTLB initialization cleanups (Aneesh Kumar K.V, Francesco
Valla)

- exact page allocation for DMA pages (Qingfang Deng)

- tools/dma build fixes (Sasha Levin)

- minor fixes for various corner cases (Marek Szyprowski, Leon
Romanovsky) and code cleanup (John Garry)

----------------------------------------------------------------
Aneesh Kumar K.V (Arm) (3):
      dma: swiotlb: Rename swiotlb_size_or_default()
      dma: swiotlb: Consolidate slab rounding
      dma: swiotlb: Track whether the pool size was explicitly set

Francesco Valla (1):
      dma: swiotlb: use KiB in restricted pool allocation log

John Garry (1):
      dma-mapping: rename dma_opt_mapping_size()

Leon Romanovsky (1):
      dma-debug: Skip cacheline tracking for MMIO mappings

Marek Szyprowski (2):
      MAINTAINERS: Add files to the DMA MAPPING HELPERS entry
      dma-direct: Restore arch_dma_alloc() for the DMA_ATTR_NO_KERNEL_MAPPING case

Qingfang Deng (1):
      dma-mapping: use exact allocation for DMA pages

Sasha Levin (2):
      tools/dma: fix building with O=
      tools/dma: fix building from the top level with O=

 Documentation/core-api/dma-api.rst   |  2 +-
 MAINTAINERS                          |  1 +
 arch/arm/xen/mm.c                    |  2 +-
 arch/arm64/mm/init.c                 |  2 +-
 arch/riscv/mm/init.c                 |  2 +-
 arch/x86/include/asm/crash_reserve.h |  4 +--
 drivers/iommu/dma-iommu.c            | 12 ++++----
 drivers/nvme/host/pci.c              |  2 +-
 drivers/scsi/scsi_transport_sas.c    | 12 ++++----
 include/linux/dma-map-ops.h          |  4 +--
 include/linux/dma-mapping.h          |  4 +--
 include/linux/gfp.h                  |  2 +-
 include/linux/iommu-dma.h            |  2 +-
 include/linux/swiotlb.h              |  2 +-
 kernel/dma/contiguous.c              |  6 ++--
 kernel/dma/debug.c                   |  7 +++--
 kernel/dma/direct.c                  | 30 +++++++++++++++-----
 kernel/dma/mapping.c                 | 10 +++----
 kernel/dma/ops_helpers.c             | 11 +++++---
 kernel/dma/swiotlb.c                 | 54 +++++++++++++++++-------------------
 mm/page_alloc.c                      |  2 +-
 tools/dma/Makefile                   | 10 +++++--
 22 files changed, 106 insertions(+), 77 deletions(-)

----------------------------------------------------------------

Thanks!

Best regards
Marek Szyprowski, PhD
Samsung R&D Institute Poland