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Message-Id: <20250531145342.383090aa5ed5bcefee0740d5@linux-foundation.org>
Date: Sat, 31 May 2025 14:53:42 -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] MM updates for 6.16-rc1
Linus, please merge this set of MM updates for the 6.16-rcX cycle.
I'll be sending another batch of 50ish updates later in the week, then
another tiny update.
Thanks.
Conflicts which I'm seeing today, and their linux-resolutions:
arch/x86/mm/pat/memtype.c, vs tip tree:
https://lkml.kernel.org/r/20250515151102.5b0f9e4f@canb.auug.org.au
mm/memcontrol.c, vs cgroup tree:
https://lkml.kernel.org/r/20250521174958.0b7354da@canb.auug.org.au
https://lkml.kernel.org/r/20250522173518.68d11f41@canb.auug.org.au
https://lkml.kernel.org/r/20250529111223.3987a514@canb.auug.org.au
Possible upcoming conflicts which Stephen reported. Some of these are now
resolved.
arch/x86/kernel/e820.c, vs tip-fixes tree:
https://lkml.kernel.org/r/20250422124402.4b891d14@canb.auug.org.au
kernel/kexec_file.c, vs integrity tree:
https://lkml.kernel.org/r/20250430142331.468074f1@canb.auug.org.au
fs/fuse/file.c, vs fuse tree:
https://lkml.kernel.org/r/20250509105750.6281e2ab@canb.auug.org.au
https://lkml.kernel.org/r/20250514105313.5e2c367a@canb.auug.org.au
rust/kernel/task.rs, vs rust tree:
https://lkml.kernel.org/r/20250526173741.2dd77e75@canb.auug.org.au
The following changes since commit 75cb1cca2c880179a11c7dd9380b6f14e41a06a4:
mm: userfaultfd: correct dirty flags set for both present and swap pte (2025-05-11 17:29:55 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-stable-2025-05-31-14-50
for you to fetch changes up to c544a952ba61b1a025455098033c17e0573ab085:
mm: pcp: increase pcp->free_count threshold to trigger free_high (2025-05-27 19:38:27 -0700)
----------------------------------------------------------------
- The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox
simplifies the act of creating a pte which addresses the first page in a
folio and reduces the amount of plumbing which architecture must
implement to provide this.
- The 8 patch series "Misc folio patches for 6.16" from Matthew Wilcox
is a shower of largely unrelated folio infrastructure changes which
clean things up and better prepare us for future work.
- The 3 patch series "memory,x86,acpi: hotplug memory alignment
advisement" from Gregory Price adds early-init code to prevent x86 from
leaving physical memory unused when physical address regions are not
aligned to memory block size.
- The 2 patch series "mm/compaction: allow more aggressive proactive
compaction" from Michal Clapinski provides some tuning of the (sadly,
hard-coded (more sadly, not auto-tuned)) thresholds for our invokation
of proactive compaction. In a simple test case, the reduction of a guest
VM's memory consumption was dramatic.
- The 8 patch series "Minor cleanups and improvements to swap freeing
code" from Kemeng Shi provides some code cleaups and a small efficiency
improvement to this part of our swap handling code.
- The 6 patch series "ptrace: introduce PTRACE_SET_SYSCALL_INFO API"
from Dmitry Levin adds the ability for a ptracer to modify syscalls
arguments. At this time we can alter only "system call information that
are used by strace system call tampering, namely, syscall number,
syscall arguments, and syscall return value.
This series should have been incorporated into mm.git's "non-MM"
branch, but I goofed.
- The 3 patch series "fs/proc: extend the PAGEMAP_SCAN ioctl to report
guard regions" from Andrei Vagin extends the info returned by the
PAGEMAP_SCAN ioctl against /proc/pid/pagemap. This permits CRIU to more
efficiently get at the info about guard regions.
- The 2 patch series "Fix parameter passed to page_mapcount_is_type()"
from Gavin Shan implements that fix. No runtime effect is expected
because validate_page_before_insert() happens to fix up this error.
- The 3 patch series "kernel/events/uprobes: uprobe_write_opcode()
rewrite" from David Hildenbrand basically brings uprobe text poking into
the current decade. Remove a bunch of hand-rolled implementation in
favor of using more current facilities.
- The 3 patch series "mm/ptdump: Drop assumption that pxd_val() is u64"
from Anshuman Khandual provides enhancements and generalizations to the
pte dumping code. This might be needed when 128-bit Page Table
Descriptors are enabled for ARM.
- The 12 patch series "Always call constructor for kernel page tables"
from Kevin Brodsky "ensures that the ctor/dtor is always called for
kernel pgtables, as it already is for user pgtables". This permits the
addition of more functionality such as "insert hooks to protect page
tables". This change does result in various architectures performing
unnecesary work, but this is fixed up where it is anticipated to occur.
- The 9 patch series "Rust support for mm_struct, vm_area_struct, and
mmap" from Alice Ryhl adds plumbing to permit Rust access to core MM
structures.
- The 3 patch series "fix incorrectly disallowed anonymous VMA merges"
from Lorenzo Stoakes takes advantage of some VMA merging opportunities
which we've been missing for 15 years.
- The 4 patch series "mm/madvise: batch tlb flushes for MADV_DONTNEED
and MADV_FREE" from SeongJae Park optimizes process_madvise()'s TLB
flushing. Instead of flushing each address range in the provided iovec,
we batch the flushing across all the iovec entries. The syscall's cost
was approximately halved with a microbenchmark which was designed to
load this particular operation.
- The 6 patch series "Track node vacancy to reduce worst case allocation
counts" from Sidhartha Kumar makes the maple tree smarter about its node
preallocation. stress-ng mmap performance increased by single-digit
percentages and the amount of unnecessarily preallocated memory was
dramaticelly reduced.
- The 3 patch series "mm/gup: Minor fix, cleanup and improvements" from
Baoquan He removes a few unnecessary things which Baoquan noted when
reading the code.
- The 3 patch series ""Enhance sysfs handling for memory hotplug in
weighted interleave" from Rakie Kim "enhances the weighted interleave
policy in the memory management subsystem by improving sysfs handling,
fixing memory leaks, and introducing dynamic sysfs updates for memory
hotplug support". Fixes things on error paths which we are unlikely to
hit.
- The 7 patch series "mm/damon: auto-tune DAMOS for NUMA setups
including tiered memory" from SeongJae Park introduces new DAMOS quota
goal metrics which eliminate the manual tuning which is required when
utilizing DAMON for memory tiering.
- The 5 patch series "mm/vmalloc.c: code cleanup and improvements" from
Baoquan He provides cleanups and small efficiency improvements which
Baoquan found via code inspection.
- The 2 patch series "vmscan: enforce mems_effective during demotion"
from Gregory Price "changes reclaim to respect cpuset.mems_effective
during demotion when possible". because "presently, reclaim explicitly
ignores cpuset.mems_effective when demoting, which may cause the cpuset
settings to violated." "This is useful for isolating workloads on a
multi-tenant system from certain classes of memory more consistently."
- The 2 patch series ""Clean up split_huge_pmd_locked() and remove
unnecessary folio pointers" from Gavin Guo provides minor cleanups and
efficiency gains in in the huge page splitting and migrating code.
- The 3 patch series "Use kmem_cache for memcg alloc" from Huan Yang
creates a slab cache for `struct mem_cgroup', yielding improved memory
utilization.
- The 4 patch series "add max arg to swappiness in memory.reclaim and
lru_gen" from Zhongkun He adds a new "max" argument to the "swappiness="
argument for memory.reclaim MGLRU's lru_gen. This directs proactive
reclaim to reclaim from only anon folios rather than file-backed folios.
- The 17 patch series "kexec: introduce Kexec HandOver (KHO)" from Mike
Rapoport is the first step on the path to permitting the kernel to
maintain existing VMs while replacing the host kernel via file-based
kexec. At this time only memblock's reserve_mem is preserved.
- The 7 patch series "mm: Introduce for_each_valid_pfn()" from David
Woodhouse provides and uses a smarter way of looping over a pfn range.
By skipping ranges of invalid pfns.
- The 2 patch series "sched/numa: Skip VMA scanning on memory pinned to
one NUMA node via cpuset.mems" from Libo Chen removes a lot of pointless
VMA scanning when a task is pinned a single NUMA mode. Dramatic
performance benefits were seen in some real world cases.
- The 2 patch series "JFS: Implement migrate_folio for
jfs_metapage_aops" from Shivank Garg addresses a warning which occurs
during memory compaction when using JFS.
- The 4 patch series "move all VMA allocation, freeing and duplication
logic to mm" from Lorenzo Stoakes moves some VMA code from kernel/fork.c
into the more appropriate mm/vma.c.
- The 6 patch series "mm, swap: clean up swap cache mapping helper" from
Kairui Song provides code consolidation and cleanups related to the
folio_index() function.
- The 2 patch series "mm/gup: Cleanup memfd_pin_folios()" from Vishal
Moola does that.
- The 8 patch series "memcg: Fix test_memcg_min/low test failures" from
Waiman Long addresses some bogus failures which are being reported by
the test_memcontrol selftest.
- The 3 patch series "eliminate mmap() retry merge, add .mmap_prepare
hook" from Lorenzo Stoakes commences the deprecation of
file_operations.mmap() in favor of the new
file_operations.mmap_prepare(). The latter is more restrictive and
prevents drivers from messing with things in ways which, amongst other
problems, may defeat VMA merging.
- The 4 patch series "memcg: decouple memcg and objcg stocks"" from
Shakeel Butt decouples the per-cpu memcg charge cache from the objcg's
one. This is a step along the way to making memcg and objcg charging
NMI-safe, which is a BPF requirement.
- The 6 patch series "mm/damon: minor fixups and improvements for code,
tests, and documents" from SeongJae Park is "yet another batch of
miscellaneous DAMON changes. Fix and improve minor problems in code,
tests and documents."
- The 7 patch series "memcg: make memcg stats irq safe" from Shakeel
Butt converts memcg stats to be irq safe. Another step along the way to
making memcg charging and stats updates NMI-safe, a BPF requirement.
- The 4 patch series "Let unmap_hugepage_range() and several related
functions take folio instead of page" from Fan Ni provides folio
conversions in the hugetlb code.
----------------------------------------------------------------
Alexander Graf (12):
memblock: add support for scratch memory
kexec: add Kexec HandOver (KHO) generation helpers
kexec: add KHO parsing support
kexec: add KHO support to kexec file loads
kexec: add config option for KHO
arm64: add KHO support
x86/kexec: add support for passing kexec handover (KHO) data
x86/e820: temporarily enable KHO scratch for memory below 1M
x86/boot: make sure KASLR does not step over KHO preserved memory
x86/Kconfig: enable kexec handover for 64 bits
memblock: add KHO support for reserve_mem
Documentation: add documentation for KHO
Alexander Potapenko (5):
kmsan: apply clang-format to files mm/kmsan/
kmsan: fix usage of kmsan_enter_runtime() in kmsan_vmap_pages_range_noflush()
kmsan: drop the declaration of kmsan_save_stack()
kmsan: enter the runtime around kmsan_internal_memmove_metadata() call
kmsan: rework kmsan_in_runtime() handling in kmsan_report()
Alexei Starovoitov (1):
mm: rename try_alloc_pages() to alloc_pages_nolock()
Alice Ryhl (9):
mm: rust: add abstraction for struct mm_struct
mm: rust: add vm_area_struct methods that require read access
mm: rust: add vm_insert_page
mm: rust: add lock_vma_under_rcu
mm: rust: add mmput_async support
mm: rust: add VmaNew for f_ops->mmap()
rust: miscdevice: add mmap support
task: rust: rework how current is accessed
mm: rust: add MEMORY MANAGEMENT [RUST]
Andrei Vagin (3):
fs/proc: extend the PAGEMAP_SCAN ioctl to report guard regions
tools headers UAPI: sync linux/fs.h with the kernel sources
selftests/mm: add PAGEMAP_SCAN guard region test
Andrew Morton (1):
Merge branch 'mm-hotfixes-stable' into mm-stable in order to successfully merge mm-unstable's "mm: add folio_mk_pte()",
Andy Shevchenko (1):
util_macros.h: make the header more resilient
Anshuman Khandual (3):
mm/ptdump: split note_page() into level specific callbacks
mm/ptdump: split effective_prot() into level specific callbacks
arm64/mm: define ptdesc_t
Baolin Wang (5):
mm: huge_memory: add folio_mark_accessed() when zapping file THP
mm: mincore: use pte_batch_hint() to batch process large folios
mm: khugepaged: convert set_huge_pmd() to take a folio
mm: convert do_set_pmd() to take a folio
mm: khugepaged: decouple SHMEM and file folios' collapse
Baoquan He (8):
mm/gup: remove unneeded checking in follow_page_pte()
mm/gup: remove gup_fast_pgd_leaf() and clean up the relevant codes
mm/gup: clean up codes in fault_in_xxx() functions
mm/vmalloc.c: change purge_ndoes as local static variable
mm/vmalloc.c: find the vmap of vmap_nodes in reverse order
mm/vmalloc.c: optimize code in decay_va_pool_node() a little bit
mm/vmalloc: optimize function vm_unmap_aliases()
mm/vmalloc.c: return explicit error value in alloc_vmap_area()
Casey Chen (1):
alloc_tag: check mem_profiling_support in alloc_tag_init
Chen Ni (1):
mm: memcontrol: remove unnecessary NULL check before free_percpu()
Cheng-Han Wu (1):
mm: remove unused macro INIT_PASID
Christoph Hellwig (1):
xarray: fix kerneldoc for __xa_cmpxchg
Christoph Lameter (Ampere) (1):
Update Christoph's Email address and make it consistent
David Hildenbrand (15):
kernel/events/uprobes: pass VMA instead of MM to remove_breakpoint()
kernel/events/uprobes: pass VMA to set_swbp(), set_orig_insn() and uprobe_write_opcode()
kernel/events/uprobes: uprobe_write_opcode() rewrite
selftests/mm: add simple VM_PFNMAP tests based on mmap'ing /dev/mem
x86/mm/pat: factor out setting cachemode into pgprot_set_cachemode()
mm: convert track_pfn_insert() to pfnmap_setup_cachemode*()
mm: introduce pfnmap_track() and pfnmap_untrack() and use them for memremap
mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack()
x86/mm/pat: remove old pfnmap tracking interface
mm: remove VM_PAT
x86/mm/pat: remove strict_prot parameter from reserve_pfn_range()
x86/mm/pat: remove MEMTYPE_*_MATCH
x86/mm/pat: inline memtype_match() into memtype_erase()
drm/i915: track_pfn() -> "pfnmap tracking"
mm/io-mapping: track_pfn() -> "pfnmap tracking"
David Woodhouse (7):
mm: introduce for_each_valid_pfn() and use it from reserve_bootmem_region()
mm: implement for_each_valid_pfn() for CONFIG_FLATMEM
mm: implement for_each_valid_pfn() for CONFIG_SPARSEMEM
mm, PM: use for_each_valid_pfn() in kernel/power/snapshot.c
mm, x86: use for_each_valid_pfn() from __ioremap_check_ram()
mm: use for_each_valid_pfn() in memory_hotplug
mm/mm_init: use for_each_valid_pfn() in init_unavailable_range()
Dev Jain (1):
mempolicy: optimize queue_folios_pte_range by PTE batching
Dmitry V. Levin (6):
hexagon: add syscall_set_return_value()
syscall.h: add syscall_set_arguments()
syscall.h: introduce syscall_set_nr()
ptrace_get_syscall_info: factor out ptrace_get_syscall_info_op
ptrace: introduce PTRACE_SET_SYSCALL_INFO request
selftests/ptrace: add a test case for PTRACE_SET_SYSCALL_INFO
Donet Tom (1):
selftests/mm: restore default nr_hugepages value during cleanup in hugetlb_reparenting_test.sh
Enze Li (2):
selftests/damon: remove the remaining test scripts for DAMON debugfs interface
samples/damon/prcl: fix a comment typo
Fan Ni (6):
mm: convert free_page_and_swap_cache() to free_folio_and_swap_cache()
khugepaged: pass folio instead of head page to trace events
mm/hugetlb: pass folio instead of page to unmap_ref_private()
mm/hugetlb: refactor unmap_hugepage_range() to take folio instead of page
mm/hugetlb: refactor __unmap_hugepage_range() to take folio instead of page
mm/hugetlb: convert use of struct page to folio in __unmap_hugepage_range()
Feng Lee (1):
mm: remove obsolete pgd_offset_gate()
Frank van der Linden (1):
mm/hugetlb: use separate nodemask for bootmem allocations
Gavin Guo (2):
mm/huge_memory: adjust try_to_migrate_one() and split_huge_pmd_locked()
mm/huge_memory: remove useless folio pointers passing
Gavin Shan (2):
mm: fix parameter passed to page_mapcount_is_type()
mm/debug: fix parameter passed to page_mapcount_is_type()
Gregory Price (6):
memory: implement memory_block_advise/probe_max_size
x86: probe memory block size advisement value during mm init
acpi,srat: give memory block size advice based on CFMWS alignment
cpuset: rename cpuset_node_allowed to cpuset_current_node_allowed
vmscan,cgroup: apply mems_effective to reclaim
DAX: warn when kmem regions are truncated for memory block alignment
Guilherme Giacomo Simoes (1):
mm: page-flags-layout.h: change the KASAN_TAG_WIDTH for HW_TAGS
Hao Ge (1):
mm/vmscan: modify the assignment logic of the scan and total_scan variables
Huan Yang (3):
mm/memcg: move mem_cgroup_init() ahead of cgroup_init()
mm/memcg: use kmem_cache when alloc memcg
mm/memcg: use kmem_cache when alloc memcg pernode info
Ignacio Encinas (1):
mm: annotate data race in update_hiwater_rss
Jeongjun Park (1):
mm/vmalloc: fix data race in show_numa_info()
Jinliang Zheng (1):
mm: fix ratelimit_pages update error in dirty_ratio_handler()
Johannes Weiner (1):
mm: page_alloc: tighten up find_suitable_fallback()
Joshua Hahn (1):
mm/mempolicy: Weighted Interleave Auto-tuning
Kairui Song (5):
fuse: drop usage of folio_index
f2fs: drop usage of folio_index
filemap: do not use folio_contains for swap cache folios
mm: move folio_index to mm/swap.h and remove no longer needed helper
mm, swap: remove no longer used swap mapping helper
Kemeng Shi (8):
mm: swap: rename __swap_[entry/entries]_free[_locked] to swap_[entry/entries]_put[_locked]
mm: swap: enable swap_entry_range_free() to drop any kind of last ref
mm: swap: use swap_entries_free() to free swap entry in swap_entry_put_locked()
mm: swap: use swap_entries_free() drop last ref count in swap_entries_put_nr()
mm: swap: drop last SWAP_MAP_SHMEM flag in batch in swap_entries_put_nr()
mm: swap: free each cluster individually in swap_entries_put_map_nr()
mm: swap: factor out helper to drop cache of entries within a single cluster
mm: swap: replace cluster_swap_free_nr() with swap_entries_put_[map/cache]()
Kevin Brodsky (12):
mm: pass mm down to pagetable_{pte,pmd}_ctor
x86: pgtable: always use pte_free_kernel()
mm: call ctor/dtor for kernel PTEs
m68k: mm: call ctor/dtor for kernel PTEs
powerpc: mm: call ctor/dtor for kernel PTEs
sparc64: mm: call ctor/dtor for kernel PTEs
mm: skip ptlock_init() for kernel PMDs
arm64: mm: use enum to identify pgtable level instead of *_SHIFT
arm64: mm: always call PTE/PMD ctor in __create_pgd_mapping()
riscv: mm: clarify ctor mm argument in alloc_{pte,pmd}_late
arm64: mm: call PUD/P4D ctor in __create_pgd_mapping()
riscv: mm: call PUD/P4D ctor in special kernel pgtable alloc
Lance Yang (1):
mm/rmap: inline folio_test_large_maybe_mapped_shared() into callers
Li Wang (1):
selftest/mm: make hugetlb_reparenting_test tolerant to async reparenting
Libo Chen (2):
sched/numa: skip VMA scanning on memory pinned to one NUMA node via cpuset.mems
sched/numa: add tracepoint that tracks the skipping of numa balancing due to cpuset memory pinning
Liu Ye (1):
fs/proc/page: refactor to reduce code duplication
Lorenzo Stoakes (13):
mm/vma: fix incorrectly disallowed anonymous VMA merges
tools/testing: add PROCMAP_QUERY helper functions in mm self tests
tools/testing/selftests: assert that anon merge cases behave as expected
mm: move mmap/vma locking logic into specific files
mm: establish mm/vma_exec.c for shared exec/mm VMA functionality
mm: abstract initial stack setup to mm subsystem
mm: move dup_mmap() to mm
mm: perform VMA allocation, freeing, duplication in mm
mm: introduce new .mmap_prepare() file callback
mm: secretmem: convert to .mmap_prepare() hook
mm/vma: remove mmap() retry merge
MAINTAINERS: add kernel/fork.c to relevant sections
mm: remove WARN_ON_ONCE() in file_has_valid_mmap_hooks()
Luiz Capitulino (3):
mm: kmemleak: drop kmemleak_warning variable
mm: kmemleak: drop wrong comment
mm: kmemleak: mark variables as __read_mostly
Mark Brown (1):
selftests/mm: deduplicate second mmap() of 5*PAGE_SIZE at base
Matthew Wilcox (Oracle) (19):
mm: set the pte dirty if the folio is already dirty
mm: introduce a common definition of mk_pte()
sparc32: remove custom definition of mk_pte()
x86: remove custom definition of mk_pte()
um: remove custom definition of mk_pte()
mm: make mk_pte() definition unconditional
mm: add folio_mk_pte()
hugetlb: simplify make_huge_pte()
mm: remove mk_huge_pte()
mm: add folio_mk_pmd()
arch: remove mk_pmd()
filemap: remove readahead_page()
mm: remove offset_in_thp()
iov_iter: convert iter_xarray_populate_pages() to use folios
iov_iter: convert iov_iter_extract_xarray_pages() to use folios
filemap: remove find_subpage()
filemap: convert __readahead_batch() to use a folio
filemap: remove readahead_page_batch()
mm: delete thp_nr_pages()
Michal Clapinski (2):
mm/compaction: remove low watermark cap for proactive compaction
mm/compaction: reduce the difference between low and high watermarks
Michal Hocko (1):
memcg, oom: do not bypass oom killer for dying tasks
Mike Rapoport (Microsoft) (6):
execmem: enforce allocation size aligment to PAGE_SIZE
memblock: add MEMBLOCK_RSRV_KERN flag
memblock: introduce memmap_init_kho_scratch()
kexec: enable KHO support for memory preservation
x86/setup: use memblock_reserve_kern for memory used by kernel
Documentation: KHO: add memblock bindings
Nhat Pham (1):
zsmalloc: prefer the the original page's node for compressed data
Nikhil Dhama (1):
mm: pcp: increase pcp->free_count threshold to trigger free_high
Oscar Salvador (2):
mm, hugetlb: avoid passing a null nodemask when there is mbind policy
mm,hugetlb: allocate frozen pages in alloc_buddy_hugetlb_folio
Pedro Falcato (1):
mm: workingset: simplify lockdep check in update_node
Peter Xu (1):
mm/selftests: add a test to verify mmap_changing race with -EAGAIN
Prabhav Kumar Vaish (1):
mm: fix typos in comments in mm_init.c
Przemek Kitszel (1):
xarray: make xa_alloc_cyclic() return 0 on all success cases
Rakie Kim (3):
mm/mempolicy: fix memory leaks in weighted interleave sysfs
mm/mempolicy: prepare weighted interleave sysfs for memory hotplug
mm/mempolicy: support memory hotplug in weighted interleave
Ryan Chung (1):
selftests/eventfd: correct test name and improve messages
SeongJae Park (17):
mm/madvise: define and use madvise_behavior struct for madvise_do_behavior()
mm/madvise: batch tlb flushes for MADV_FREE
mm/memory: split non-tlb flushing part from zap_page_range_single()
mm/madvise: batch tlb flushes for MADV_DONTNEED[_LOCKED]
mm/damon/core: introduce damos quota goal metrics for memory node utilization
mm/damon/sysfs-schemes: implement file for quota goal nid parameter
mm/damon/sysfs-schemes: connect damos_quota_goal nid with core layer
Docs/mm/damon/design: document node_mem_{used,free}_bp
Docs/admin-guide/mm/damon/usage: document 'nid' file
Docs/ABI/damon: document nid file
samples/damon: implement a DAMON module for memory tiering
mm/damon/core: warn and fix nr_accesses[_bp] corruption
mm/damon/sysfs-schemes: fix wrong comment on damons_sysfs_quota_goal_metric_strs
mm/damon/paddr: remove unused variable, folio_list, in damon_pa_stat()
mm/damon/tests/core-kunit: add a test for damos_set_filters_default_reject()
selftests/damon/_damon_sysfs: read tried regions directories in order
Docs/damon: update titles and brief introductions to explain DAMOS
Sergey Senozhatsky (3):
zram: modernize writeback interface
zsmalloc: cleanup headers includes
Documentation: zram: update IDLE pages tracking documentation
Shakeel Butt (24):
memcg: vmalloc: simplify MEMCG_VMALLOC updates
memcg: remove root memcg check from refill_stock
memcg: decouple drain_obj_stock from local stock
memcg: introduce memcg_uncharge
memcg: manually inline __refill_stock
memcg: no refilling stock from obj_cgroup_release
memcg: do obj_cgroup_put inside drain_obj_stock
memcg: use __mod_memcg_state in drain_obj_stock
memcg: manually inline replace_stock_objcg
memcg: optimize memcg_rstat_updated
memcg: multi-memcg percpu charge cache
memcg: introduce non-blocking limit setting option
memcg-introduce-non-blocking-limit-setting-option-v3
memcg: simplify consume_stock
memcg: separate local_trylock for memcg and obj
memcg: completely decouple memcg and obj stocks
memcg: no irq disable for memcg stock lock
memcg: memcg_rstat_updated re-entrant safe against irqs
memcg: move preempt disable to callers of memcg_rstat_updated
memcg: make mod_memcg_state re-entrant safe against irqs
memcg: make count_memcg_events re-entrant safe against irqs
memcg: make __mod_memcg_lruvec_state re-entrant safe against irqs
memcg: no stock lock for cpu hot-unplug
memcg: objcg stock trylock without irq disabling
Shivank Garg (2):
mm: add folio_expected_ref_count() for reference count calculation
jfs: implement migrate_folio for jfs_metapage_aops
Siddarth G (2):
selftests/mm: convert page_size to unsigned long
selftests/mm: use long for dwRegionSize
Sidhartha Kumar (6):
maple_tree: convert mas_prealloc_calc() to take in a maple write state
maple_tree: use height and depth consistently
maple_tree: use vacant nodes to reduce worst case allocations
maple_tree: break on convergence in mas_spanning_rebalance()
maple_tree: add sufficient height
maple_tree: reorder mas->store_type case statements
Songtang Liu (1):
mm: page_alloc: remove redundant READ_ONCE
SoumishDas (1):
mm: add kernel-doc comment for free_pgd_range()
Su Hui (1):
mm/damon/sysfs-schemes: use kmalloc_array() and size_add()
Thushara.M.S (1):
docs/mm/damon/design: fix spelling mistake
Uladzislau Rezki (Sony) (8):
vmalloc: add for_each_vmap_node() helper
vmalloc: switch to for_each_vmap_node() helper
vmalloc: use for_each_vmap_node() in purge-vmap-area
vmalloc: use atomic_long_add_return_relaxed()
lib/test_vmalloc.c: replace RWSEM to SRCU for setup
lib/test_vmalloc.c: allow built-in execution
MAINTAINERS: add test_vmalloc.c to VMALLOC section
vmalloc: align nr_vmalloc_pages and vmap_lazy_nr
Vishal Moola (Oracle) (3):
mm/compaction: use folio in hugetlb pathway
mm/gup: remove unnecessary check in memfd_pin_folios()
mm/gup: remove page_folio() in memfd_pin_folios()
Vlastimil Babka (1):
memcg: combine slab obj stock charging and accounting
Waiman Long (2):
selftests: memcg: allow low event with no memory.low and memory_recursiveprot on
selftests: memcg: increase error tolerance of child memory.current check in test_memcg_protection()
Ye Liu (7):
mm/show_mem: optimize si_meminfo_node by reducing redundant code
mm/page_alloc: simplify free_page_is_bad by removing free_page_is_bad_report
mm/rmap: rename page__anon_vma to anon_vma for consistency
mm/rmap: fix typo in comment in page_address_in_vma
mm/io-mapping: precompute remap protection flags for clarity
mm/debug_page_alloc: improve error message for invalid guardpage minorder
mm/numa: remove unnecessary local variable in alloc_node_data()
Yuquan Wang (1):
mm: numa_memblks: introduce numa_add_reserved_memblk
Zhongkun He (5):
mm: add swappiness=max arg to memory.reclaim for only anon reclaim
mm: vmscan: add more comments about cache_trim_mode
mm: add max swappiness arg to lru_gen for anonymous memory only
mm: use SWAPPINESS_ANON_ONLY in MGLRU
mm: cma: set early_pfn and bitmap as a union in cma_memrange
gaoxu (1):
mm: add nr_free_highatomic in show_free_areas
CREDITS | 2 +-
Documentation/ABI/testing/sysfs-kernel-mm-damon | 6 +
.../sysfs-kernel-mm-mempolicy-weighted-interleave | 35 +-
Documentation/ABI/testing/sysfs-kernel-mm-numa | 16 +-
Documentation/ABI/testing/sysfs-kernel-slab | 96 +-
Documentation/admin-guide/blockdev/zram.rst | 58 +-
Documentation/admin-guide/cgroup-v1/cgroups.rst | 2 +-
Documentation/admin-guide/cgroup-v1/cpusets.rst | 2 +-
Documentation/admin-guide/cgroup-v2.rst | 27 +
Documentation/admin-guide/kernel-parameters.txt | 25 +
Documentation/admin-guide/mm/damon/index.rst | 11 +-
Documentation/admin-guide/mm/damon/usage.rst | 12 +-
Documentation/admin-guide/mm/index.rst | 1 +
Documentation/admin-guide/mm/kho.rst | 115 ++
Documentation/admin-guide/mm/multigen_lru.rst | 5 +-
Documentation/admin-guide/mm/pagemap.rst | 1 +
Documentation/admin-guide/sysctl/vm.rst | 6 +
Documentation/core-api/index.rst | 1 +
Documentation/core-api/kho/bindings/kho.yaml | 43 +
.../core-api/kho/bindings/memblock/memblock.yaml | 39 +
.../kho/bindings/memblock/reserve-mem.yaml | 40 +
Documentation/core-api/kho/bindings/sub-fdt.yaml | 27 +
Documentation/core-api/kho/concepts.rst | 74 ++
Documentation/core-api/kho/fdt.rst | 80 ++
Documentation/core-api/kho/index.rst | 13 +
Documentation/mm/damon/design.rst | 15 +-
Documentation/mm/damon/index.rst | 6 +-
Documentation/networking/arcnet-hardware.rst | 2 +-
MAINTAINERS | 37 +-
arch/alpha/include/asm/pgtable.h | 7 -
arch/arc/include/asm/hugepage.h | 2 -
arch/arc/include/asm/pgtable-levels.h | 2 -
arch/arc/include/asm/syscall.h | 25 +
arch/arm/include/asm/pgtable-3level.h | 1 -
arch/arm/include/asm/pgtable.h | 1 -
arch/arm/include/asm/syscall.h | 37 +
arch/arm/mm/mmu.c | 2 +-
arch/arm/probes/uprobes/core.c | 4 +-
arch/arm64/Kconfig | 3 +
arch/arm64/include/asm/pgtable-types.h | 20 +-
arch/arm64/include/asm/pgtable.h | 7 -
arch/arm64/include/asm/ptdump.h | 24 +-
arch/arm64/include/asm/syscall.h | 29 +
arch/arm64/kernel/efi.c | 4 +-
arch/arm64/kernel/pi/map_kernel.c | 2 +-
arch/arm64/kernel/pi/map_range.c | 4 +-
arch/arm64/kernel/pi/pi.h | 2 +-
arch/arm64/mm/mmap.c | 2 +-
arch/arm64/mm/mmu.c | 93 +-
arch/arm64/mm/ptdump.c | 50 +-
arch/csky/include/asm/pgalloc.h | 2 +-
arch/csky/include/asm/pgtable.h | 5 -
arch/csky/include/asm/syscall.h | 13 +
arch/hexagon/include/asm/pgtable.h | 3 -
arch/hexagon/include/asm/syscall.h | 21 +
arch/loongarch/include/asm/pgalloc.h | 2 +-
arch/loongarch/include/asm/pgtable.h | 7 -
arch/loongarch/include/asm/syscall.h | 15 +
arch/loongarch/mm/pgtable.c | 9 -
arch/m68k/include/asm/mcf_pgalloc.h | 8 +-
arch/m68k/include/asm/mcf_pgtable.h | 6 -
arch/m68k/include/asm/motorola_pgalloc.h | 10 +-
arch/m68k/include/asm/motorola_pgtable.h | 6 -
arch/m68k/include/asm/sun3_pgtable.h | 6 -
arch/m68k/include/asm/syscall.h | 7 +
arch/m68k/mm/motorola.c | 6 +-
arch/microblaze/include/asm/pgtable.h | 8 -
arch/microblaze/include/asm/syscall.h | 7 +
arch/microblaze/mm/pgtable.c | 2 +-
arch/mips/include/asm/pgalloc.h | 2 +-
arch/mips/include/asm/pgtable.h | 9 -
arch/mips/include/asm/syscall.h | 43 +
arch/mips/mm/pgtable-32.c | 10 -
arch/mips/mm/pgtable-64.c | 9 -
arch/nios2/include/asm/pgtable.h | 6 -
arch/nios2/include/asm/syscall.h | 16 +
arch/openrisc/include/asm/pgtable.h | 2 -
arch/openrisc/include/asm/syscall.h | 13 +
arch/openrisc/mm/ioremap.c | 2 +-
arch/parisc/include/asm/pgalloc.h | 2 +-
arch/parisc/include/asm/pgtable.h | 6 -
arch/parisc/include/asm/syscall.h | 19 +
arch/powerpc/include/asm/book3s/64/pgtable.h | 1 -
arch/powerpc/include/asm/pgtable.h | 3 +-
arch/powerpc/include/asm/syscall.h | 20 +
arch/powerpc/mm/book3s64/pgtable.c | 7 +-
arch/powerpc/mm/pgtable-frag.c | 30 +-
arch/powerpc/mm/ptdump/ptdump.c | 46 +-
arch/riscv/include/asm/pgtable-64.h | 2 -
arch/riscv/include/asm/pgtable.h | 2 -
arch/riscv/include/asm/syscall.h | 19 +
arch/riscv/mm/init.c | 26 +-
arch/riscv/mm/ptdump.c | 46 +-
arch/s390/include/asm/pgalloc.h | 2 +-
arch/s390/include/asm/pgtable.h | 11 -
arch/s390/include/asm/syscall.h | 21 +
arch/s390/include/asm/tlb.h | 4 +-
arch/s390/mm/dump_pagetables.c | 46 +-
arch/s390/mm/pgalloc.c | 2 +-
arch/sh/include/asm/pgtable_32.h | 8 -
arch/sh/include/asm/syscall_32.h | 24 +
arch/sparc/include/asm/pgtable_32.h | 15 +-
arch/sparc/include/asm/pgtable_64.h | 2 -
arch/sparc/include/asm/syscall.h | 22 +
arch/sparc/mm/init_64.c | 29 +-
arch/sparc/mm/srmmu.c | 2 +-
arch/um/include/asm/pgtable-2level.h | 1 -
arch/um/include/asm/pgtable-4level.h | 9 -
arch/um/include/asm/pgtable.h | 18 +-
arch/um/include/asm/syscall-generic.h | 19 +
arch/x86/Kconfig | 3 +
arch/x86/boot/compressed/kaslr.c | 50 +-
arch/x86/include/asm/pgtable.h | 21 +-
arch/x86/include/asm/setup.h | 2 +
arch/x86/include/asm/syscall.h | 43 +
arch/x86/include/uapi/asm/setup_data.h | 13 +-
arch/x86/kernel/e820.c | 18 +
arch/x86/kernel/kexec-bzimage64.c | 37 +
arch/x86/kernel/setup.c | 42 +-
arch/x86/mm/dump_pagetables.c | 71 +-
arch/x86/mm/init_64.c | 15 +-
arch/x86/mm/ioremap.c | 7 +-
arch/x86/mm/pat/memtype.c | 194 +--
arch/x86/mm/pat/memtype_interval.c | 63 +-
arch/x86/mm/pgtable.c | 9 +-
arch/x86/realmode/init.c | 2 +
arch/xtensa/include/asm/pgtable.h | 6 -
arch/xtensa/include/asm/syscall.h | 18 +
drivers/acpi/numa/srat.c | 15 +-
drivers/base/memory.c | 51 +
drivers/base/node.c | 9 +
drivers/block/zram/zram_drv.c | 331 +++--
drivers/dax/kmem.c | 10 +-
drivers/gpu/drm/i915/i915_mm.c | 4 +-
drivers/of/fdt.c | 34 +
drivers/of/kexec.c | 42 +
fs/dax.c | 3 +-
fs/exec.c | 69 +-
fs/f2fs/data.c | 4 +-
fs/f2fs/inline.c | 4 +-
fs/f2fs/super.c | 2 +-
fs/fuse/file.c | 4 +-
fs/jfs/jfs_metapage.c | 106 ++
fs/proc/page.c | 161 +--
fs/proc/task_mmu.c | 17 +-
include/asm-generic/hugetlb.h | 5 -
include/asm-generic/memory_model.h | 10 +-
include/asm-generic/pgalloc.h | 11 +-
include/asm-generic/syscall.h | 30 +
include/linux/cpuset.h | 9 +-
include/linux/damon.h | 6 +
include/linux/fs.h | 25 +
include/linux/gfp.h | 8 +-
include/linux/huge_mm.h | 17 +-
include/linux/hugetlb.h | 15 +-
include/linux/kexec.h | 5 +
include/linux/kexec_handover.h | 109 ++
include/linux/khugepaged.h | 8 -
include/linux/maple_tree.h | 4 +
include/linux/memblock.h | 41 +-
include/linux/memcontrol.h | 55 +-
include/linux/memory.h | 10 +
include/linux/mempolicy.h | 4 +
include/linux/mm.h | 357 ++----
include/linux/mm_inline.h | 2 +
include/linux/mm_types.h | 36 +-
include/linux/mmap_lock.h | 227 ++++
include/linux/mmzone.h | 88 ++
include/linux/numa_memblks.h | 1 +
include/linux/page-flags-layout.h | 4 +-
include/linux/page-flags.h | 21 +-
include/linux/pagemap.h | 91 +-
include/linux/percpu-defs.h | 2 +-
include/linux/pgtable.h | 131 +-
include/linux/ptdump.h | 15 +-
include/linux/rmap.h | 2 +-
include/linux/swap.h | 12 +-
include/linux/uprobes.h | 6 +-
include/linux/util_macros.h | 3 +
include/linux/xarray.h | 24 +-
include/linux/zpool.h | 4 +-
include/linux/zsmalloc.h | 3 +-
include/trace/events/huge_memory.h | 12 +-
include/trace/events/mmflags.h | 4 +-
include/trace/events/sched.h | 33 +
include/uapi/linux/fs.h | 1 +
include/uapi/linux/ptrace.h | 7 +-
init/main.c | 2 +
kernel/Kconfig.kexec | 14 +
kernel/Makefile | 1 +
kernel/bpf/syscall.c | 2 +-
kernel/cgroup/cpuset.c | 40 +-
kernel/events/uprobes.c | 357 +++---
kernel/fork.c | 277 +----
kernel/kexec_file.c | 13 +
kernel/kexec_handover.c | 1266 ++++++++++++++++++++
kernel/kexec_internal.h | 16 +
kernel/power/snapshot.c | 42 +-
kernel/ptrace.c | 179 ++-
kernel/sched/fair.c | 9 +
lib/Kconfig.debug | 3 +-
lib/alloc_tag.c | 34 +-
lib/iov_iter.c | 30 +-
lib/maple_tree.c | 191 +--
lib/test_vmalloc.c | 22 +-
lib/test_xarray.c | 17 +-
lib/xarray.c | 9 +-
mm/Kconfig | 6 +-
mm/Makefile | 4 +-
mm/cma.c | 11 +-
mm/cma.h | 6 +-
mm/compaction.c | 24 +-
mm/damon/core.c | 41 +
mm/damon/paddr.c | 1 -
mm/damon/sysfs-schemes.c | 47 +-
mm/damon/tests/core-kunit.h | 70 ++
mm/debug.c | 6 +-
mm/debug_page_alloc.c | 2 +-
mm/debug_vm_pgtable.c | 18 +-
mm/execmem.c | 2 +
mm/filemap.c | 2 +-
mm/gup.c | 145 +--
mm/huge_memory.c | 63 +-
mm/hugetlb.c | 137 +--
mm/hugetlb_cma.c | 11 +-
mm/internal.h | 9 +-
mm/io-mapping.c | 9 +-
mm/khugepaged.c | 34 +-
mm/kmemleak.c | 9 +-
mm/kmsan/core.c | 12 +-
mm/kmsan/hooks.c | 6 +-
mm/kmsan/init.c | 3 +-
mm/kmsan/instrumentation.c | 4 -
mm/kmsan/kmsan.h | 1 -
mm/kmsan/report.c | 6 +-
mm/kmsan/shadow.c | 7 +-
mm/madvise.c | 101 +-
mm/memblock.c | 317 ++++-
mm/memcontrol-v1.c | 9 +-
mm/memcontrol.c | 648 +++++-----
mm/memfd.c | 1 +
mm/memory.c | 430 +++----
mm/memory_hotplug.c | 8 +-
mm/mempolicy.c | 558 ++++++---
mm/memremap.c | 8 +-
mm/migrate.c | 23 +-
mm/mincore.c | 22 +-
mm/mm_init.c | 50 +-
mm/mmap.c | 306 +++--
mm/mmap_lock.c | 273 +++++
mm/mmu_notifier.c | 2 +-
mm/mprotect.c | 2 +-
mm/mremap.c | 4 -
mm/nommu.c | 28 +-
mm/numa.c | 4 +-
mm/numa_memblks.c | 22 +
mm/page-writeback.c | 3 +-
mm/page_alloc.c | 62 +-
mm/page_owner.c | 2 +-
mm/ptdump.c | 62 +-
mm/rmap.c | 30 +-
mm/secretmem.c | 14 +-
mm/show_mem.c | 18 +-
mm/slab_common.c | 2 +-
mm/swap.c | 8 +-
mm/swap.h | 18 +
mm/swap_state.c | 8 +-
mm/swapfile.c | 184 ++-
mm/userfaultfd.c | 2 +-
mm/vma.c | 204 +++-
mm/vma.h | 15 +
mm/vma_exec.c | 161 +++
mm/vma_init.c | 151 +++
mm/vmalloc.c | 208 ++--
mm/vmscan.c | 107 +-
mm/vmstat.c | 2 +-
mm/workingset.c | 4 +-
mm/zpdesc.h | 3 +
mm/zpool.c | 8 +-
mm/zsmalloc.c | 32 +-
mm/zswap.c | 2 +-
rust/helpers/helpers.c | 1 +
rust/helpers/mm.c | 50 +
rust/kernel/lib.rs | 1 +
rust/kernel/miscdevice.rs | 45 +
rust/kernel/mm.rs | 344 ++++++
rust/kernel/mm/virt.rs | 471 ++++++++
rust/kernel/task.rs | 247 ++--
samples/Makefile | 1 +
samples/damon/Kconfig | 13 +
samples/damon/Makefile | 1 +
samples/damon/mtier.c | 178 +++
samples/damon/prcl.c | 2 +-
tools/include/uapi/linux/fs.h | 19 +-
tools/testing/memblock/tests/alloc_api.c | 22 +-
tools/testing/memblock/tests/alloc_helpers_api.c | 4 +-
tools/testing/memblock/tests/alloc_nid_api.c | 20 +-
tools/testing/radix-tree/maple.c | 126 +-
tools/testing/selftests/cgroup/test_memcontrol.c | 22 +-
tools/testing/selftests/damon/Makefile | 2 +-
tools/testing/selftests/damon/_chk_dependency.sh | 52 -
tools/testing/selftests/damon/_damon_sysfs.py | 5 +
tools/testing/selftests/damon/_debugfs_common.sh | 64 -
.../selftests/filesystems/eventfd/eventfd_test.c | 7 +-
tools/testing/selftests/mm/.gitignore | 2 +
tools/testing/selftests/mm/Makefile | 2 +
tools/testing/selftests/mm/guard-regions.c | 57 +
.../selftests/mm/hugetlb_reparenting_test.sh | 98 +-
tools/testing/selftests/mm/map_fixed_noreplace.c | 2 +-
tools/testing/selftests/mm/merge.c | 455 +++++++
tools/testing/selftests/mm/pagemap_ioctl.c | 16 +-
tools/testing/selftests/mm/pfnmap.c | 196 +++
tools/testing/selftests/mm/run_vmtests.sh | 8 +
tools/testing/selftests/mm/uffd-unit-tests.c | 202 ++++
tools/testing/selftests/mm/vm_util.c | 62 +
tools/testing/selftests/mm/vm_util.h | 21 +
tools/testing/selftests/ptrace/Makefile | 2 +-
tools/testing/selftests/ptrace/set_syscall_info.c | 519 ++++++++
tools/testing/vma/Makefile | 2 +-
tools/testing/vma/vma.c | 127 +-
tools/testing/vma/vma_internal.h | 281 ++++-
321 files changed, 11607 insertions(+), 4263 deletions(-)
create mode 100644 Documentation/admin-guide/mm/kho.rst
create mode 100644 Documentation/core-api/kho/bindings/kho.yaml
create mode 100644 Documentation/core-api/kho/bindings/memblock/memblock.yaml
create mode 100644 Documentation/core-api/kho/bindings/memblock/reserve-mem.yaml
create mode 100644 Documentation/core-api/kho/bindings/sub-fdt.yaml
create mode 100644 Documentation/core-api/kho/concepts.rst
create mode 100644 Documentation/core-api/kho/fdt.rst
create mode 100644 Documentation/core-api/kho/index.rst
create mode 100644 include/linux/kexec_handover.h
create mode 100644 kernel/kexec_handover.c
create mode 100644 mm/vma_exec.c
create mode 100644 mm/vma_init.c
create mode 100644 rust/helpers/mm.c
create mode 100644 rust/kernel/mm.rs
create mode 100644 rust/kernel/mm/virt.rs
create mode 100644 samples/damon/mtier.c
delete mode 100644 tools/testing/selftests/damon/_chk_dependency.sh
delete mode 100644 tools/testing/selftests/damon/_debugfs_common.sh
create mode 100644 tools/testing/selftests/mm/merge.c
create mode 100644 tools/testing/selftests/mm/pfnmap.c
create mode 100644 tools/testing/selftests/ptrace/set_syscall_info.c
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