linux-kernel - [GIT PULL] additional MM updates for 6.19-rc1

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Message-Id: <20251211131127.defed99e5b82e49af605108a@linux-foundation.org>
Date: Thu, 11 Dec 2025 13:11:27 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: mm-commits@...r.kernel.org, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Subject: [GIT PULL] additional MM updates for 6.19-rc1


Linus, please merge this small batch of followup patches for this -rc
cycle, thanks.

My test merge found no conflicts.



The following changes since commit faf3c923523e5c8fc3baaa413d62e913774ae52f:

  mm: fix vma_start_write_killable() signal handling (2025-11-29 10:41:11 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-stable-2025-12-11-11-39

for you to fetch changes up to dafdba0964bd10913fbaa5537201cbbe05df5b9c:

  mm/damon/tests/core-kunit: avoid damos_test_commit stack warning (2025-12-09 11:25:34 -0800)

----------------------------------------------------------------
Patch series in this pull request:

- The 2 patch series "powerpc/pseries/cmm: two smaller fixes" from David
  Hildenbrand fixes a couple of minor things in ppc land.

- The 4 patch series "Improve folio split related functions" from Zi Yan
  provides some cleanups and minorish fixes in the folio splitting code.

----------------------------------------------------------------
Arnd Bergmann (1):
      mm/damon/tests/core-kunit: avoid damos_test_commit stack warning

Chen Ridong (1):
      mm: vmscan: correct nr_requested tracing in scan_folios

David Hildenbrand (2):
      powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION
      powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages

Jinhui Guo (1):
      mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM

Lukas Bulwahn (2):
      mm: fix CONFIG_STACK_GROWSUP typo in mm.h
      MAINTAINERS: add idr core-api doc file to XARRAY

Shameer Kolothum (1):
      mm/hugetlb: fix incorrect error return from hugetlb_reserve_pages()

Zi Yan (4):
      mm/huge_memory: change folio_split_supported() to folio_check_splittable()
      mm/huge_memory: replace can_split_folio() with direct refcount calculation
      mm/huge_memory: make min_order_for_split() always return an order
      mm/huge_memory: fix folio split stats counting

 MAINTAINERS                          |   1 +
 arch/powerpc/platforms/pseries/cmm.c |   3 +-
 include/linux/huge_mm.h              |  13 ++-
 include/linux/mm.h                   |   2 +-
 include/linux/mmzone.h               |   2 +-
 mm/damon/tests/core-kunit.h          |   9 +-
 mm/huge_memory.c                     | 165 +++++++++++++++++++----------------
 mm/hugetlb.c                         |  25 ++++--
 mm/vmscan.c                          |   8 +-
 9 files changed, 131 insertions(+), 97 deletions(-)