memory management · Maintained

Maintainers

• M Andrew Morton <akpm@linux-foundation.org>

Paths

• F mm/
• F tools/mm/

Last 30 days

Most active threads (last 7 days)

• COOLING4d [RFC PATCH 00/10] mm/swap, PM: hibernate: improve image slot allocation and I/O
  2026-09-15 03:17 · 6 replies in 7d · Youngjun Park <youngjun.park@lge.com>
• WARM1d [PATCH v3 RESEND 0/4] PM: hibernate: encrypted snapshots under lockdown
  2026-09-17 13:30 · 1 reply in 7d · Sean Rhodes <hidden>
• WARM1d [PATCH v3 0/4] PM: hibernate: encrypted snapshots under lockdown
  2026-09-17 13:26 · 1 reply in 7d · Sean Rhodes <hidden>
• WARM2d [PATCH 0/5] hibernation: make safe_copy_page more robust and remove debug_pagealloc support
  2026-09-17 06:07 · 1 reply in 7d · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COOLING5d [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)

• Michal Hocko <mhocko@suse.com>
  6 attestations (6 Acked-by) · last on 2026-09-11
• SJ Park <sj@kernel.org>
  5 attestations (5 Reviewed-by) · last on 2026-09-11
• Uladzislau Rezki (Sony) <urezki@gmail.com>
  4 attestations (4 Reviewed-by) · last on 2026-09-03
• Lorenzo Stoakes (ARM) <ljs@kernel.org>
  3 attestations (3 Reviewed-by) · last on 2026-09-11
• Gregory Price (Meta) <gourry@gourry.net>
  3 attestations (3 Reviewed-by) · last on 2026-09-11
• Miaohe Lin <linmiaohe@huawei.com>
  2 attestations (2 Acked-by) · last on 2026-09-11
• David Hildenbrand (Arm) <david@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-09-11

Recent patches

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

• WARM1d [PATCH v3 RESEND 2/4] PM: hibernate: confine encrypted snapshot writes
  2026-09-17 · Sean Rhodes <hidden>
• WARM1d [PATCH v3 2/4] PM: hibernate: confine encrypted snapshot writes
  2026-09-17 · Sean Rhodes <hidden>
• WARM2d [PATCH 4/5] hibernation, KFENCE: explicitly map/unmap KFENCE pages
  2026-09-17 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• DORMANTno replies [RFC PATCH 10/10] mm, swap: hold swap space back for a hibernation image at swapon
  2026-09-15 · Youngjun Park <youngjun.park@lge.com>
• COOLING4d [RFC PATCH 05/10] mm, swap: hand the hibernation image whole free clusters
  2026-09-15 · Youngjun Park <youngjun.park@lge.com>
• COOLING4d [RFC PATCH 04/10] mm, swap: skip swap cache reclaim while storage is suspended
  2026-09-15 · Youngjun Park <youngjun.park@lge.com>
• COOLING4d [RFC PATCH 02/10] mm, swap: skip swap devices without a block device in hibernation lookups
  2026-09-15 · Youngjun Park <youngjun.park@lge.com>
• COOLING4d [RFC PATCH 03/10] mm, swap: move hibernation swap code to mm/swap_hibernate.c
  2026-09-15 · Youngjun Park <youngjun.park@lge.com>
• COOLING4d [RFC PATCH 06/10] mm, swap: hand the image's free clusters out in disk order
  2026-09-15 · Youngjun Park <youngjun.park@lge.com>
• COOLING5d [RFC PATCH 1/3] mm: restrict offload-only swap to proactive reclaim
  2026-09-14 · Matthias Goergens <hidden>
• WARM2d REVIEWED: 16 (16M) [PATCH v3 04/15] mm/memory-failure: convert process iterator to for_each_process_rculock
  2026-09-11 · Ye Liu <hidden>
• WARM2d REVIEWED: 31 (31M) [PATCH v3 03/15] mm/ksm: convert process iterator to for_each_process_rculock
  2026-09-11 · Ye Liu <hidden>
• WARM2d REVIEWED: 15 (15M) [PATCH v3 02/15] mm/oom_kill: convert process/thread iterators to for_each_*_rculock
  2026-09-11 · Ye Liu <hidden>
• COOLING9d REVIEWED: 5 (5M) [PATCH v2 4/8] mm/memory-failure: convert process iterator to for_each_process_rculock
  2026-09-07 · Ye Liu <hidden>
• COOLING9d REVIEWED: 5 (5M) [PATCH v2 3/8] mm/ksm: convert process iterator to for_each_process_rculock
  2026-09-07 · Ye Liu <hidden>
• COOLING9d REVIEWED: 5 (5M) [PATCH v2 2/8] mm/oom_kill: convert process/thread iterators to for_each_*_rculock
  2026-09-07 · Ye Liu <hidden>
• WARM1d IN LINUX-NEXT [PATCH v3 5/6] mm/execmem: use VM_FLUSH_RESET_PERMS for ROX cache allocations
  2026-09-03 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 4/6] mm/vmalloc: make set_area_direct_map HUGE_VMAP friendly
  2026-09-03 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• WARM1d IN LINUX-NEXT: 3 (3M) [PATCH v3 3/6] mm/vmalloc: constify vm parameter of get_vm_area_page_order()
  2026-09-03 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• WARM1d IN LINUX-NEXT: 3 (3M) [PATCH v3 2/6] mm/vmalloc: set area's page_order after allocation succeeds
  2026-09-03 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 1/6] set_memory: add number of pages parameter to set_direct_map APIs
  2026-09-03 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD21d [PATCH v2 5/6] mm/execmem: use VM_FLUSH_RESET_PERMS for ROX cache allocations
  2026-08-23 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD21d [PATCH v2 4/6] mm/vmalloc: make set_area_direct_map HUGE_VMAP friendly
  2026-08-23 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD21d REVIEWED: 3 (3M) [PATCH v2 3/6] mm/vmalloc: constify vm parameter of get_vm_area_page_order()
  2026-08-23 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD21d REVIEWED: 3 (3M) [PATCH v2 2/6] mm/vmalloc: set area's page_order after allocation succeeds
  2026-08-23 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD21d [PATCH v2 1/6] set_memory: add number of pages parameter to set_direct_map APIs
  2026-08-23 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD31d [PATCH 5/6] mm/execmem: use VM_FLUSH_RESET_PERMS for ROX cache allocations
  2026-08-16 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD31d [PATCH 4/6] mm/vmalloc: make set_area_direct_map HUGE_VMAP friendly
  2026-08-16 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD31d [PATCH 3/6] mm/vmalloc: constify vm parameter of get_vm_area_page_order()
  2026-08-16 · "Mike Rapoport (Microsoft)" <rppt@kernel.org>
• COLD31d [PATCH 2/6] mm/vmalloc: set area's page_order after allocation succeeds
  2026-08-16 · "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.

• STALE116d REVIEWED: 9 (9M) [PATCH v2] mm/page_alloc: tidy up pindex helpers
  2026-05-17 · Brendan Jackman <hidden> · 1 Reviewed-by
• COLD21d REVIEWED: 3 (3M) [PATCH v2 2/6] mm/vmalloc: set area's page_order after allocation succeeds
  2026-08-23 · "Mike Rapoport (Microsoft)" <rppt@kernel.org> · 1 Reviewed-by
• COLD21d REVIEWED: 3 (3M) [PATCH v2 3/6] mm/vmalloc: constify vm parameter of get_vm_area_page_order()
  2026-08-23 · "Mike Rapoport (Microsoft)" <rppt@kernel.org> · 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.

• STALE197d [RFC PATCH 1/2] mm/swap: release swap reference on each hibernation slot allocation
  2026-03-02 · Youngjun Park <youngjun.park@lge.com>
• STALE156d [PATCH 33/61] mm: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE189d [RESEND RFC PATCH v3 2/2] mm/swap: remove redundant swap device reference in alloc/free
  2026-03-12 · Youngjun Park <youngjun.park@lge.com>
• STALE183d [PATCH v4 2/3] mm/swap: remove redundant swap device reference in alloc/free
  2026-03-17 · Youngjun Park <youngjun.park@lge.com>
• STALE183d [PATCH v4 01/21] mm/swap: decouple swap cache from physical swap infrastructure
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE183d [PATCH v4 03/21] mm: swap: add an abstract API for locking out swapoff
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE183d [PATCH v4 04/21] zswap: add new helpers for zswap entry operations
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE183d [PATCH v4 05/21] mm/swap: add a new function to check if a swap entry is in swap cached.
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE183d [PATCH v4 06/21] mm: swap: add a separate type for physical swap slots
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE183d [PATCH v4 07/21] mm: create scaffolds for the new virtual swap implementation
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>