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Message-Id: <20260115080645.3744d9e4178884f988d6366d@linux-foundation.org>
Date: Thu, 15 Jan 2026 08:06:45 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-mm@...ck.org, mm-commits@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [GIT PULL] hotfixes for 6.19-rc6
Linus, please pull this batch of hotfixes, thanks.
The following changes since commit 0f61b1860cc3f52aef9036d7235ed1f017632193:
Linux 6.19-rc5 (2026-01-11 17:03:14 -1000)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-hotfixes-stable-2026-01-15-08-03
for you to fetch changes up to 3e8e590fd65d0572584ab7bba89a35e6d19931f1:
drivers/dax: add some missing kerneldoc comment fields for struct dev_dax (2026-01-14 22:16:26 -0800)
----------------------------------------------------------------
32 hotfixes. 16 are cc:stable, 24 are for MM.
- four kerneldoc fixes from Bagas Sanjaya
- four DAMON fixes from SeongJae
- four mremap VMA-related fixes from Lorenzo
- various singletons - please see the changelogs for details
----------------------------------------------------------------
Aboorva Devarajan (1):
mm/page_alloc: make percpu_pagelist_high_fraction reads lock-free
Bagas Sanjaya (4):
mm: describe @flags parameter in memalloc_flags_save()
textsearch: describe @list member in ts_ops search
mm: vmalloc: fix up vrealloc_node_align() kernel-doc macro name
mm, kfence: describe @slab parameter in __kfence_obj_info()
Ben Dooks (1):
mm: numa,memblock: include <asm/numa.h> for 'numa_nodes_parsed'
Carlos Llamas (1):
iommu/sva: include mmu_notifier.h header
Daniel Thompson (1):
mailmap: add entry for Daniel Thompson
Feng Tang (1):
powerpc/watchdog: add support for hardlockup_sys_info sysctl
John Groves (1):
drivers/dax: add some missing kerneldoc comment fields for struct dev_dax
Lorenzo Stoakes (5):
mm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge
tools/testing/selftests: add tests for !tgt, src mremap() merges
mm/vma: enforce VMA fork limit on unfaulted,faulted mremap merge too
tools/testing/selftests: add forked (un)/faulted VMA merge tests
tools/testing/selftests: fix gup_longterm for unknown fs
Marco Elver (1):
docs: kernel-parameters: add kfence parameters
Mike Rapoport (Microsoft) (1):
mips: fix HIGHMEM initialization
Pasha Tatashin (1):
kho: validate preserved memory map during population
Pavel Butsykin (1):
mm/zswap: fix error pointer free in zswap_cpu_comp_prepare()
Ryan Roberts (1):
mm: kmsan: fix poisoning of high-order non-compound pages
SeongJae Park (5):
mm/damon/core: remove call_control in inactive contexts
mm/damon/sysfs: cleanup intervals subdirs on attrs dir setup failure
mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure
mm/damon/sysfs-scheme: cleanup quotas subdirs on scheme dir setup failure
mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure
Shakeel Butt (2):
lib/buildid: use __kernel_read() for sleepable context
mm/damon/core: get memcg reference before access
Sourabh Jain (1):
mm/hugetlb: ignore hugepage kernel args if hugepages are unsupported
Szymon Wilczek (1):
mailmap: update email address for Szymon Wilczek
Vlastimil Babka (1):
mm/page_alloc: prevent pcp corruption with SMP=n
.mailmap | 2 +
Documentation/admin-guide/kernel-parameters.txt | 35 +++
arch/mips/mm/init.c | 23 ++
arch/powerpc/kernel/watchdog.c | 15 +-
drivers/dax/dax-private.h | 10 +-
drivers/iommu/iommu-sva.c | 1 +
include/linux/kfence.h | 1 +
include/linux/nmi.h | 1 +
include/linux/sched/mm.h | 1 +
include/linux/textsearch.h | 1 +
kernel/liveupdate/kexec_handover.c | 37 +--
kernel/watchdog.c | 2 +-
lib/buildid.c | 32 +-
mm/damon/core.c | 41 ++-
mm/damon/sysfs-schemes.c | 10 +-
mm/damon/sysfs.c | 9 +-
mm/hugetlb.c | 16 +
mm/kmsan/shadow.c | 2 +-
mm/numa_memblks.c | 2 +
mm/page_alloc.c | 57 +++-
mm/vma.c | 111 ++++---
mm/vma.h | 3 +
mm/vmalloc.c | 2 +-
mm/zswap.c | 2 +-
tools/testing/selftests/mm/gup_longterm.c | 2 +-
tools/testing/selftests/mm/merge.c | 384 ++++++++++++++++++++++--
26 files changed, 674 insertions(+), 128 deletions(-)
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