linux-kernel - [GIT PULL] last minute dma-mapping fixes for Linux 6.19

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Message-Id: <20260130133445.2069751-1-m.szyprowski@samsung.com>
Date: Fri, 30 Jan 2026 14:34:45 +0100
From: Marek Szyprowski <m.szyprowski@...sung.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, iommu@...ts.linux.dev, Marek Szyprowski
	<m.szyprowski@...sung.com>, Christoph Hellwig <hch@....de>, Robin Murphy
	<robin.murphy@....com>, Sai Sree Kartheek Adivi <s-adivi@...com>, Oreoluwa
	Babatunde <oreoluwa.babatunde@....qualcomm.com>
Subject: [GIT PULL] last minute dma-mapping fixes for Linux 6.19

The following changes since commit c6ccd098807483762ccd726e1498bac5a71d0005:

  dma/pool: Avoid allocating redundant pools (2026-01-14 11:00:00 +0100)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux.git tags/dma-mapping-6.19-2026-01-30

for you to fetch changes up to 56c430c7f06d838fe3b2077dbbc4cc0bf992312b:

  dma/pool: distinguish between missing and exhausted atomic pools (2026-01-29 10:23:45 +0100)

----------------------------------------------------------------
dma-mapping fixes for Linux 6.19

- important fix for ARM 32-bit based systems using cma= kernel parameter
  (Oreoluwa Babatunde)
- a fix for the corner case of the DMA atomic pool based allocations
  (Sai Sree Kartheek Adivi)

----------------------------------------------------------------
Oreoluwa Babatunde (1):
      of: reserved_mem: Allow reserved_mem framework detect "cma=" kernel param

Sai Sree Kartheek Adivi (1):
      dma/pool: distinguish between missing and exhausted atomic pools

 drivers/of/of_reserved_mem.c | 19 +++++++++++++++++--
 include/linux/cma.h          |  9 +++++++++
 kernel/dma/contiguous.c      | 16 ++++++++++------
 kernel/dma/pool.c            |  7 ++++++-
 4 files changed, 42 insertions(+), 9 deletions(-)

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

Thanks!

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