documentation · Maintained

Maintainers

• M Jonathan Corbet <corbet@lwn.net>
• R Shuah Khan <skhan@linuxfoundation.org>
• R Randy Dunlap <rdunlap@infradead.org>

Paths

• F Documentation/
• F tools/lib/python/
• F tools/docs/
• F tools/net/ynl/pyynl/lib/doc_generator.py
• X Documentation/ABI/
• X Documentation/admin-guide/media/
• X Documentation/devicetree/
• X Documentation/driver-api/media/
• X Documentation/firmware-guide/acpi/
• X Documentation/i2c/
• X Documentation/netlink/
• X Documentation/power/
• X Documentation/spi/
• X Documentation/userspace-api/media/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [RFC PATCH v2 0/4] mm/swap: reserve swap areas for deliberate offload
  2026-09-26 04:55 · 1 reply in 7d · Matthias Goergens <hidden>
• HOTtoday [PATCH v3 0/3] support kselftest on nommu platform
  2026-09-26 01:08 · 1 reply in 7d · Hajime Tazaki <hidden>
• HOTtoday [PATCH RFC 00/17] Allow guest_memfd to be created using a resource (pool) fd
  2026-09-26 00:50 · 1 reply in 7d · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• WARM1d [PATCH v5 00/12] mm: make userland page table freeing RCU-safe
  2026-09-25 20:14 · 1 reply in 7d · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday [PATCH v3 0/2] Move tool for generating initramfs cpio to scripts/
  2026-09-25 19:30 · 1 reply in 7d · Nicolas Schier <nsc@kernel.org>
• WARM2d [RFC PATCH v0 0/3] pghot: x86: IBS Memory Profiler for hot page promotion
  2026-09-24 06:23 · 2 replies in 7d · Bharata B Rao <hidden>
• WARM2d [PATCH RFC 0/8] replace CONFIG_SLUB_TINY with a slab_tiny boot parameter
  2026-09-23 15:45 · 2 replies in 7d · "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
• WARM3d [RFC PATCH v3 0/7] mm/damon: introduce damos quota goal target metric complement flag
  2026-09-23 10:15 · 2 replies in 7d · SJ Park <sj@kernel.org>
• WARM2d [PATCH RFC -next 0/5] net: charge socket memory budget to memcg upfront
  2026-09-24 07:36 · 1 reply in 7d · Cai Xinchen <hidden>
• WARM1d [PATCH v15 00/11] migrate on fault for device pages
  2026-09-24 06:54 · 1 reply in 7d · mpenttil@redhat.com

Active reviewers (last 30 days)

• David Hildenbrand (Arm) <david@kernel.org>
  17 attestations (8 Acked-by, 3 Reviewed-by, 6 Suggested-by) · last on 2026-09-21
• Shivank Garg <hidden>
  10 attestations (10 Tested-by) · last on 2026-09-10
• SJ Park <sj@kernel.org>
  8 attestations (1 Acked-by, 7 Reviewed-by) · last on 2026-09-14
• Binbin Wu <hidden>
  7 attestations (7 Reviewed-by) · last on 2026-09-10
• Randy Dunlap <rdunlap@infradead.org>
  6 attestations (3 Acked-by, 3 Reported-by) · last on 2026-09-17
• Sean Christopherson <seanjc@google.com>
  6 attestations (4 Co-developed-by, 2 Suggested-by) · last on 2026-09-10
• Xiaoyao Li <hidden>
  6 attestations (4 Reviewed-by, 2 Suggested-by) · last on 2026-09-10
• Fuad Tabba <hidden>
  6 attestations (6 Reviewed-by) · last on 2026-09-10
• Mike Rapoport (Microsoft) <rppt@kernel.org>
  5 attestations (5 Acked-by) · last on 2026-09-20
• Muhammad Usama Anjum <hidden>
  4 attestations (4 Tested-by) · last on 2026-09-18

Recent patches

Most-recent 30 patches in this subsystem on linux-mm (capped at 30), ordered by date desc.

• HOTtoday [RFC PATCH v2 2/4] mm: restrict offload-only swap to proactive reclaim
  2026-09-26 · Matthias Goergens <hidden>
• HOTtoday [PATCH v3 2/3] selftests: run tests on nommu architecture
  2026-09-26 · Hajime Tazaki <hidden>
• HOTtoday [PATCH RFC 04/17] KVM: guest_memfd: Add helper to attach resource provider file
  2026-09-26 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• WARM1d REVIEWED: 2 (2M) [PATCH v5 12/12] mm: change the contract for free_pgtables(), update docs
  2026-09-25 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 6 (5M) [PATCH v3 2/2] kbuild: Move gen_init_cpio and gen_initramfs.sh to scripts/
  2026-09-25 · Nicolas Schier <nsc@kernel.org>
• WARM2d [PATCH RFC -next 4/5] Docs/admin-guide/cgroup-v2: document upfront socket budget charging
  2026-09-24 · Cai Xinchen <hidden>
• WARM1d [PATCH v15 11/11] Documentation/mm/hmm: document migration through hmm_range_fault()
  2026-09-24 · mpenttil@redhat.com
• WARM2d [RFC PATCH v0 2/3] x86/mm/ibs: In-kernel driver for AMD IBS Memory Profiler
  2026-09-24 · Bharata B Rao <hidden>
• WARM2d [RFC PATCH v0 3/3] x86/mm/ibs: Add runtime controls for IBS memprofiler
  2026-09-24 · Bharata B Rao <hidden>
• WARM2d [RFC PATCH 4/6] mm/memfd_luo: allow preserving a tmpfs mount
  2026-09-23 · Pratyush Yadav <pratyush@kernel.org>
• WARM2d [PATCH RFC 7/8] mm, slab: add slab_tiny boot param
  2026-09-23 · "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
• WARM2d [PATCH RFC 2/8] mm, slab: introduce slab_debug=N
  2026-09-23 · "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
• WARM3d [RFC PATCH v3 6/7] Docs/admin-guide/mm/damon/usage: update for quota goal complement file
  2026-09-23 · SJ Park <sj@kernel.org>
• WARM3d [RFC PATCH v3 5/7] Docs/mm/damon/design: document damos quota goal complement flag
  2026-09-23 · SJ Park <sj@kernel.org>
• WARM2d IN LINUX-NEXT: 2 (2M) [PATCH v4 12/12] mm: change the contract for free_pgtables(), update docs
  2026-09-22 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• DORMANTno replies IN LINUX-NEXT Re: [PATCH v2] docs/mm: describe set_memory() and set_direct_map() APIs
  2026-09-22 · Mike Rapoport <rppt@kernel.org>
• WARM3d [PATCH v14 12/12] Documentation/mm/hmm: document migration through hmm_range_fault()
  2026-09-22 · mpenttil@redhat.com
• WARM2d [PATCH v3 4/4] kho: rename kho_scratch= commandline parameter to kho_bootmem=
  2026-09-22 · Pratyush Yadav <pratyush@kernel.org>
• WARM2d [PATCH v3 3/4] kho: rename KHO scratch to KHO bootmem
  2026-09-22 · Pratyush Yadav <pratyush@kernel.org>
• COOLING5d [PATCH 21/21] Documentation: mm: clarify behaviour of compile-time folded page tables
  2026-09-21 · Yeoreum Yun <hidden>
• COOLING4d IN LINUX-NEXT: 16 (16M) [PATCH v5 16/17] treewide: remove PagePrivate() and PG_private from comments and docs
  2026-09-21 · Zi Yan <ziy@nvidia.com>
• COOLING5d [RFC PATCH 30/46] KVM: caretaker: Integrate Caretaker vCPU detach, attach, and cancel with KVM
  2026-09-20 · Pasha Tatashin <pasha.tatashin@soleen.com>
• COOLING5d [RFC PATCH 28/46] KVM: caretaker: Add Caretaker control block and architecture ops headers
  2026-09-20 · Pasha Tatashin <pasha.tatashin@soleen.com>
• COOLING5d [RFC PATCH 27/46] oncore: Implement on-core session lifecycle and scheduling loop
  2026-09-20 · Pasha Tatashin <pasha.tatashin@soleen.com>
• COOLING5d [RFC PATCH 23/46] Documentation: liveupdate: Add physical CPU preservation documentation
  2026-09-20 · Pasha Tatashin <pasha.tatashin@soleen.com>
• COOLING5d [PATCH v4 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-20 · Yu Kuai <yukuai@kernel.org>
• WARM3d REVIEWED: 15 (12M) [PATCH v10 2/2] mm/memory_hotplug: optimize zone contiguous check when changing pfn range
  2026-09-20 · Yuan Liu <hidden>
• WARM2d [RFC PATCH 12/17] mm, swap: split the swap memcg charge helpers
  2026-09-20 · Baoquan He <hidden>
• COOLING6d [PATCH v2 3/3] Docs/admin-guide/mm/damon/usage: document the temporal tuner's quota limit
  2026-09-20 · Donggeun Yoo <hidden>
• COOLING4d IN LINUX-NEXT [PATCH v2] docs/mm: describe set_memory() and set_direct_map() APIs
  2026-09-19 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• DORMANTno replies REVIEWED: 1 (1M) [PATCH v2] Docs/mm/damon/design: document DAMON actions when TRANSPARENT_HUGEPAGE is off
  2026-03-18 · SeongJae Park <sj@kernel.org> · 1 Reviewed-by
• STALE170d REVIEWED: 8 (3M) [PATCH] mm/memory hotplug/unplug: Optimize zone contiguous check when changing pfn range
  2026-03-19 · Yuan Liu <hidden> · 6 Reviewed-by, 1 Tested-by
• STALE172d REVIEWED: 7 (3M) [PATCH v2] mm/memory hotplug/unplug: Optimize zone contiguous check when changing pfn range
  2026-04-01 · Yuan Liu <hidden> · 5 Reviewed-by, 1 Tested-by
• STALE137d REVIEWED: 1 (0M) [PATCH v19 2/2] ras: mem: Add ACPI RAS2 memory driver
  2026-04-08 · <hidden> · 1 Tested-by
• STALE153d REVIEWED: 7 (3M) [PATCH v4 2/2] mm/memory hotplug/unplug: Optimize zone contiguous check when changing pfn range
  2026-04-21 · Yuan Liu <hidden> · 5 Reviewed-by, 1 Tested-by
• STALE137d REVIEWED: 1 (1M) [PATCH v6 3/3] mm/page_owner: document page_owner filter features
  2026-05-11 · Zhen Ni <hidden> · 1 Reviewed-by
• STALE124d REVIEWED: 10 (9M) [PATCH mm-unstable v17 14/14] Documentation: mm: update the admin guide for mTHP collapse
  2026-05-11 · Nico Pache <hidden> · 2 Reviewed-by
• STALE93d REVIEWED: 1 (0M) [PATCH v7 13/42] KVM: guest_memfd: Advertise KVM_SET_MEMORY_ATTRIBUTES2 ioctl
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• STALE61d REVIEWED: 2 (1M) [PATCH v7 05/12] PCI: liveupdate: Keep bus numbers constant during Live Update
  2026-07-10 · David Matlack <dmatlack@google.com> · 2 Reviewed-by
• STALE65d REVIEWED: 4 (4M) [PATCH v10 2/6] mm: swap: associate swap devices with tiers
  2026-07-13 · Youngjun Park <youngjun.park@lge.com> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• DORMANTno replies [PATCH] Documentation: fix a hugetlbfs reservation statement
  2026-03-02 · Jane Chu <hidden>
• STALE203d [RFC PATCH v2 05/10] Docs/mm/damon/design: document the goal-based quota tuner selections
  2026-03-04 · SeongJae Park <sj@kernel.org>
• STALE203d [RFC PATCH v2 06/10] Docs/admin-guide/mm/damon/usage: document goal_tuner sysfs file
  2026-03-04 · SeongJae Park <sj@kernel.org>
• DORMANTno replies [PATCH 2/2] Docs/mm/damon/design: document the power-of-two limitation for addr_unit
  2026-03-07 · SeongJae Park <sj@kernel.org>
• STALE201d [PATCH 5/7] Docs/admin-guide/mm/damn/lru_sort: fix intervals autotune parameter name
  2026-03-07 · SeongJae Park <sj@kernel.org>
• STALE201d [PATCH 7/7] Docs/mm/damon/index: fix typo: autoamted -> automated
  2026-03-07 · SeongJae Park <sj@kernel.org>
• STALE201d [PATCH 6/7] Docs/mm/damon/maintainer-profile: use flexible review cadence
  2026-03-07 · SeongJae Park <sj@kernel.org>
• STALE200d [PATCH 05/11] Docs/mm/damon/design: document the goal-based quota tuner selections
  2026-03-10 · SeongJae Park <sj@kernel.org>
• STALE200d [PATCH 06/11] Docs/admin-guide/mm/damon/usage: document goal_tuner sysfs file
  2026-03-10 · SeongJae Park <sj@kernel.org>
• STALE199d [PATCH v2 4/6] zram: update recompression documentation
  2026-03-11 · Sergey Senozhatsky <senozhatsky@chromium.org>