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 [PATCH v5 00/11] Virtual Swap Space (Swap Table Edition)
  2026-09-18 18:02 · 2 replies in 7d · Nhat Pham <nphamcs@gmail.com>
• HOTtoday [PATCH 0/2] docs: cgroup-v2: Correct cpuset CPU descriptions
  2026-09-18 10:24 · 2 replies in 7d · Guopeng Zhang <hidden>
• DORMANTno replies [PATCH 0/6] mm: memcontrol: implement the memsw limit on cgroup v2
  2026-09-18 08:54 · 1 reply in 7d · Jingxiang Zeng <hidden>
• HOTtoday [RFC PATCH v6 0/5] blk-iocost: BPF struct_ops cost model
  2026-09-18 05:50 · 1 reply in 7d · Tao Cui <hidden>
• HOTtoday [PATCH v3 0/3] blk-cgroup: store blkcg in bio before blkcg_mutex conversion
  2026-09-18 04:18 · 1 reply in 7d · Yu Kuai <yukuai@kernel.org>
• HOTtoday [RFC PATCH v5 0/5] blk-iocost: BPF struct_ops cost model
  2026-09-18 03:18 · 1 reply in 7d · Tao Cui <hidden>
• WARM2d [RFC PATCH v11 0/4] mm/swap: priority-based swap tiers with per-cgroup selection
  2026-09-16 18:34 · 1 reply in 7d · Youngjun Park <youngjun.park@lge.com>
• HOTtoday [RFC PATCH 0/3] mm, memcg: isolate deprecated v1 state from struct mem_cgroup
  2026-09-16 12:58 · 1 reply in 7d · Tao Cui <hidden>
• WARM2d [RFC PATCH v4 0/5] blk-iocost: BPF struct_ops cost model
  2026-09-16 07:23 · 1 reply in 7d · Tao Cui <hidden>
• COOLING4d [RFC PATCH 0/3] mm/swap: reserve swap areas for deliberate offload
  2026-09-14 10:45 · 1 reply in 7d · Matthias Goergens <hidden>

Active reviewers (last 30 days)

• Tao Cui <hidden>
  3 attestations (3 Reviewed-by) · last on 2026-09-18
• Johannes Weiner <hannes@cmpxchg.org>
  2 attestations (2 Suggested-by) · last on 2026-09-18
• Kairui Song <kasong@tencent.com>
  2 attestations (2 Suggested-by) · last on 2026-09-18
• Nilay Shroff <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-09-18
• Michal Koutný <mkoutny@suse.com>
  1 attestation (1 Suggested-by) · last on 2026-08-24

Recent patches

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

• HOTtoday [PATCH v5 08/11] mm, swap: only charge physical swap entries
  2026-09-18 · Nhat Pham <nphamcs@gmail.com>
• HOTtoday [PATCH v5 01/11] mm, swap: add virtual swap device infrastructure
  2026-09-18 · Nhat Pham <nphamcs@gmail.com>
• DORMANTno replies [PATCH 2/2] docs: cgroup-v2: Describe effective CPUs of partition roots
  2026-09-18 · Guopeng Zhang <hidden>
• HOTtoday [PATCH 1/2] docs: cgroup-v2: Describe boot-isolated CPUs in cpuset.cpus.isolated
  2026-09-18 · Guopeng Zhang <hidden>
• DORMANTno replies [PATCH 5/6] mm: memcontrol: add memory.memsw.max to the default hierarchy
  2026-09-18 · Jingxiang Zeng <hidden>
• DORMANTno replies [RFC PATCH v6 5/5] docs: cgroup-v2: document io.cost model=<name> binding
  2026-09-18 · Tao Cui <hidden>
• HOTtoday REVIEWED: 2 (0M) [PATCH v3 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-18 · Yu Kuai <yukuai@kernel.org>
• HOTtoday [RFC PATCH v5 5/5] docs: cgroup-v2: document io.cost model=<name> binding
  2026-09-18 · Tao Cui <hidden>
• WARM2d [RFC PATCH v11 3/4] mm: swap: add a debugfs interface for memcg tier selection
  2026-09-16 · Youngjun Park <youngjun.park@lge.com>
• HOTtoday [PATCH 3/3] docs: cgroup-v1: note the v1 memory controller implementation boundary
  2026-09-16 · Tao Cui <hidden>
• WARM2d [RFC PATCH v4 5/5] docs: cgroup-v2: document io.cost model=<name> binding
  2026-09-16 · Tao Cui <hidden>
• COOLING4d [RFC PATCH 1/3] mm: restrict offload-only swap to proactive reclaim
  2026-09-14 · Matthias Goergens <hidden>
• WARM3d [RFC PATCH v3 5/5] docs: cgroup-v2: document io.cost model=<name> binding
  2026-09-14 · Tao Cui <hidden>
• WARM2d REVIEWED: 1 (0M) [PATCH v2 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-13 · Yu Kuai <yukuai@kernel.org>
• HOTtoday [PATCH v3 3/3] docs: cgroup-v2: document CPU quota and burst ordering
  2026-09-11 · Zhe Liu <hidden>
• COOLING7d [RFC PATCH v2 5/5] docs: cgroup-v2: document io.cost model=<name> binding
  2026-09-10 · Tao Cui <hidden>
• COOLING9d [RFC PATCH 8/8] docs: cgroup-v2: document io.cost ctrl=bpf option
  2026-09-08 · Tao Cui <hidden>
• DORMANTno replies [RFC 2/2] mm: add goal=demote to memory.reclaim
  2026-09-04 · Li Zhe <hidden>
• COOLING14d [RFC 1/2] mm: add goal=evict to memory.reclaim
  2026-09-04 · Li Zhe <hidden>
• COOLING11d [PATCH v2 3/3] Documentation: describe CPU quota and burst ordering
  2026-09-04 · Zhe Liu <hidden>
• COLD23d IN LINUX-NEXT [PATCH v2] docs: cgroup: document empty-write behavior of memory limit knobs
  2026-08-26 · Tao Cui <hidden>
• COLD21d [PATCH v4 08/11] mm, swap: only charge physical swap entries
  2026-08-25 · Nhat Pham <nphamcs@gmail.com>
• COLD21d [PATCH v4 01/11] mm, swap: add virtual swap device infrastructure
  2026-08-25 · Nhat Pham <nphamcs@gmail.com>
• COLD25d [PATCH v2] docs: cgroup-v2: fix misc.events key format description
  2026-08-24 · Cheng Lingfei via B4 Relay <devnull+chenglingfei.foxmail.com@kernel.org>
• COLD25d [PATCH] docs: cgroup-v2: fix misc.events key format description
  2026-08-24 · Cheng Lingfei <hidden>
• COOLING5d REVIEWED: 1 (0M) [PATCH 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-23 · Yu Kuai <yukuai@kernel.org>
• COLD22d [PATCH 06/11] memcg: register per-area usage counters in cgroupfs
  2026-08-21 · Eric Chanudet <hidden>
• COLD22d [PATCH 03/11] cgroup: add memory_cma_accounting mount option
  2026-08-21 · Eric Chanudet <hidden>
• COOLING11d [PATCH 2/2] Documentation: describe burst reset on quota changes
  2026-08-20 · Zhe Liu <hidden>
• COLD29d [RFC PATCH v3 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-18 · Yu Kuai <yukuai@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.

• STALE86d REVIEWED: 1 (1M) [PATCH v2 2/2] cgroup/cpuset: Rebind/migrate mm only for threadgroup leader in cpuset_update_tasks_nodemask()
  2026-06-23 · Waiman Long <longman@redhat.com> · 1 Reviewed-by
• COLD57d REVIEWED: 3 (3M) [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.

• STALE183d [PATCH v4 01/21] mm/swap: decouple swap cache from physical swap infrastructure
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE140d [PATCH v5 01/21] mm/swap: decouple swap cache from physical swap infrastructure
  2026-03-20 · Nhat Pham <nphamcs@gmail.com>
• STALE159d [PATCH RFC 01/13] mm/rmap: remove folio->_nr_pages_mapped
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE159d [PATCH RFC 02/13] fs/proc/task_mmu: remove CONFIG_PAGE_MAPCOUNT handling for "mapmax"
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE159d [PATCH RFC 03/13] fs/proc/page: remove CONFIG_PAGE_MAPCOUNT handling for kpagecount
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE159d [PATCH RFC 04/13] fs/proc/task_mmu: remove CONFIG_PAGE_MAPCOUNT handling for PM_MMAP_EXCLUSIVE
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE159d [PATCH RFC 06/13] fs/proc/task_mmu: remove CONFIG_PAGE_MAPCOUNT handling in smaps_account()
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE159d [PATCH RFC 07/13] mm/rmap: remove CONFIG_PAGE_MAPCOUNT
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• DORMANTno replies [PATCH RFC 13/13] mm/rmap: support arbitrary folio mappings
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE156d [PATCH v2 11/12] Documentation: cgroup-v2: Document dynamic housekeeping (DHM)
  2026-04-13 · Qiliang Yuan <hidden>