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Message-Id: <20250601151222.60ead71e7d8492a18c711a05@linux-foundation.org>
Date: Sun, 1 Jun 2025 15:12:22 -0700
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] Additional MM updates for 6.16-rc1
Linus, please merge this second batch of MM updates for the 6.16-rcX cycle.
I'm seeing a single small conflict in mm/memcontrol.c. Stephen's
resolution is at
https://lore.kernel.org/all/20250529111223.3987a514@canb.auug.org.au/T/#u
Thanks.
The following changes since commit c544a952ba61b1a025455098033c17e0573ab085:
mm: pcp: increase pcp->free_count threshold to trigger free_high (2025-05-27 19:38:27 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-stable-2025-06-01-14-06
for you to fetch changes up to 0b43b8bc8ef88bb45b018b2d4853d38bfc5ce2a7:
mm/khugepaged: clean up refcount check using folio_expected_ref_count() (2025-05-31 22:46:16 -0700)
----------------------------------------------------------------
- The 2 patch series "zram: support algorithm-specific parameters" from
Sergey Senozhatsky adds infrastructure for passing algorithm-specific
parameters into zram. A single parameter `winbits' is implemented at
this time.
- The 5 patch series "memcg: nmi-safe kmem charging" from Shakeel Butt
makes memcg charging nmi-safe, which is required by BFP, which can
operate in NMI context.
- The 5 patch series "Some random fixes and cleanup to shmem" from
Kemeng Shi implements small fixes and cleanups in the shmem code.
- The 2 patch series "Skip mm selftests instead when kernel features are
not present" from Zi Yan fixes some issues in the MM selftest code.
- The 2 patch series "mm/damon: build-enable essential DAMON components
by default" from SeongJae Park reworks DAMON Kconfig to make it easier
to enable CONFIG_DAMON.
- The 2 patch series "sched/numa: add statistics of numa balance task
migration" from Libo Chen adds more info into sysfs and procfs files to
improve visibility into the NUMA balancer's task migration activity.
- The 4 patch series "selftests/mm: cow and gup_longterm cleanups" from
Mark Brown provides various updates to some of the MM selftests to make
them play better with the overall containing framework.
----------------------------------------------------------------
Akinobu Mita (1):
mm/damon/core: avoid destroyed target reference from DAMOS quota
Alice Ryhl (2):
mm: rust: make CONFIG_MMU ifdefs more narrow
kcov: rust: add flags for KCOV with Rust
Chen Yu (1):
sched/numa: add statistics of numa balance task
Dan Carpenter (1):
tools/testing: check correct variable in open_procmap()
David Hildenbrand (1):
selftests/mm: two fixes for the pfnmap test
Enze Li (1):
selftests/damon/_damon_sysfs: skip testcases if CONFIG_DAMON_SYSFS is disabled
Jann Horn (2):
mmu_notifiers: remove leftover stub macros
mm/gup: update comment explaining why gup_fast() disables IRQs
Juan Yescas (1):
mm: add CONFIG_PAGE_BLOCK_ORDER to select page block order
Kemeng Shi (5):
mm: shmem: avoid unpaired folio_unlock() in shmem_swapin_folio()
mm: shmem: add missing shmem_unacct_size() in __shmem_file_setup()
mm/shmem: fix potential dead loop in shmem_unuse()
mm: shmem: only remove inode from swaplist when it's swapped page count is 0
mm/shmem: remove unneeded xa_is_value() check in shmem_unuse_swap_entries()
Libo Chen (1):
sched/numa: fix task swap by skipping kernel threads
Lorenzo Stoakes (1):
tools/testing/vma: add missing function stub
Mark Brown (7):
selftests/mm: deduplicate test logging in test_mlock_lock()
selftests/mm: deduplicate default page size test results in thuge-gen
selftests/mm: deduplicate test names in madv_populate
selftests/mm: use standard ksft_finished() in cow and gup_longterm
selftests/mm: add helper for logging test start and results
selftests/mm: report unique test names for each cow test
selftests/mm: fix test result reporting in gup_longterm
Matthew Wilcox (Oracle) (4):
m68k: remove use of page->index
mm: rename page->index to page->__folio_index
ntfs3: use folios more in ntfs_compress_write()
iov: remove copy_page_from_iter_atomic()
Roman Gushchin (1):
mmu_gather: move tlb flush for VM_PFNMAP/VM_MIXEDMAP vmas into free_pgtables()
SeongJae Park (2):
mm/damon/Kconfig: set DAMON_{VADDR,PADDR,SYSFS} default to DAMON
mm/damon/Kconfig: enable CONFIG_DAMON by default
Sergey Senozhatsky (2):
zram: rename ZCOMP_PARAM_NO_LEVEL
zram: support deflate-specific params
Shakeel Butt (5):
memcg: disable kmem charging in nmi for unsupported arch
memcg: nmi safe memcg stats for specific archs
memcg: add nmi-safe update for MEMCG_KMEM
memcg: nmi-safe slab stats updates
memcg: make memcg_rstat_updated nmi safe
Shivank Garg (2):
mm/khugepaged: fix race with folio split/free using temporary reference
mm/khugepaged: clean up refcount check using folio_expected_ref_count()
Wenjie Xu (1):
hugetlb: show nr_huge_pages in report_hugepages()
Zi Yan (2):
selftests/mm: skip guard_regions.uffd tests when uffd is not present
selftests/mm: skip hugevm test if kernel config file is not present
Documentation/admin-guide/cgroup-v2.rst | 6 +
arch/arm/mm/flush.c | 4 +-
arch/m68k/mm/motorola.c | 3 +-
drivers/block/zram/backend_deflate.c | 12 +-
drivers/block/zram/backend_lz4.c | 2 +-
drivers/block/zram/backend_lz4hc.c | 2 +-
drivers/block/zram/backend_zstd.c | 2 +-
drivers/block/zram/zcomp.h | 9 +-
drivers/block/zram/zram_drv.c | 21 +-
fs/ntfs3/file.c | 31 +-
include/asm-generic/tlb.h | 46 ++-
include/linux/memcontrol.h | 10 +
include/linux/mm.h | 6 +-
include/linux/mm_types.h | 6 +-
include/linux/mmu_notifier.h | 3 -
include/linux/mmzone.h | 16 +
include/linux/pageblock-flags.h | 8 +-
include/linux/sched.h | 4 +
include/linux/uio.h | 10 +-
include/linux/vm_event_item.h | 2 +
init/Kconfig | 14 +
kernel/futex/core.c | 2 +-
kernel/sched/core.c | 9 +-
kernel/sched/debug.c | 4 +
kernel/sched/fair.c | 3 +-
lib/iov_iter.c | 29 +-
mm/Kconfig | 34 +++
mm/damon/Kconfig | 4 +
mm/damon/core.c | 8 +
mm/filemap.c | 4 +-
mm/gup.c | 2 +-
mm/hugetlb.c | 2 +-
mm/khugepaged.c | 35 ++-
mm/memcontrol.c | 127 +++++++-
mm/memory.c | 6 +-
mm/mm_init.c | 2 +-
mm/mmu_gather.c | 1 +
mm/page-writeback.c | 6 +-
mm/shmem.c | 23 +-
mm/truncate.c | 2 +-
mm/vmstat.c | 2 +
mm/zpdesc.h | 4 +-
rust/Makefile | 1 +
rust/kernel/mm.rs | 56 +---
rust/kernel/mm/mmput_async.rs | 68 +++++
scripts/Makefile.kcov | 6 +
scripts/Makefile.lib | 3 +
tools/testing/selftests/damon/_damon_sysfs.py | 4 +
tools/testing/selftests/mm/cow.c | 340 ++++++++++++++--------
tools/testing/selftests/mm/guard-regions.c | 17 +-
tools/testing/selftests/mm/gup_longterm.c | 158 ++++++----
tools/testing/selftests/mm/madv_populate.c | 18 +-
tools/testing/selftests/mm/mlock2-tests.c | 2 +-
tools/testing/selftests/mm/pfnmap.c | 61 +++-
tools/testing/selftests/mm/thuge-gen.c | 4 +-
tools/testing/selftests/mm/va_high_addr_switch.sh | 26 +-
tools/testing/selftests/mm/vm_util.c | 2 +-
tools/testing/selftests/mm/vm_util.h | 20 ++
tools/testing/vma/vma_internal.h | 5 +
59 files changed, 909 insertions(+), 408 deletions(-)
create mode 100644 rust/kernel/mm/mmput_async.rs
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