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)

• HOTtoday [PATCH 0/2] mm/compaction: stop repeating failed async compaction on every THP fault
  2026-10-01 15:34 · 2 replies in 7d · Qiliang Yuan <hidden>
• COOLING4d [PATCH RFC v2 0/7] mm/vmscan: move vmscan tracepoints to a local header
  2026-09-28 11:48 · 7 replies in 7d · Ridong Chen <ridong.chen@linux.dev>

Active reviewers (last 30 days)

• Michal Hocko <mhocko@suse.com>
  9 attestations (9 Acked-by) · last on 2026-09-21
• SJ Park <sj@kernel.org>
  8 attestations (8 Reviewed-by) · last on 2026-09-21
• Lorenzo Stoakes (ARM) <ljs@kernel.org>
  6 attestations (6 Reviewed-by) · last on 2026-09-21
• Gregory Price (Meta) <gourry@gourry.net>
  6 attestations (6 Reviewed-by) · last on 2026-09-21
• David Hildenbrand (Arm) <david@kernel.org>
  4 attestations (4 Acked-by) · last on 2026-09-22
• Marc Zyngier <maz@kernel.org>
  4 attestations (4 Acked-by) · last on 2026-09-17
• Miaohe Lin <linmiaohe@huawei.com>
  3 attestations (3 Acked-by) · last on 2026-09-21
• Claudio Imbrenda <imbrenda@linux.ibm.com>
  2 attestations (2 Acked-by) · last on 2026-09-17
• Anup Patel <anup@brainfault.org>
  2 attestations (2 Acked-by) · last on 2026-09-17
• Marek Szyprowski <m.szyprowski@samsung.com>
  1 attestation (1 Suggested-by) · last on 2026-09-04

Recent patches

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

• HOTtoday [PATCH 2/2] mm/compaction: defer failed async direct compaction
  2026-10-01 · Qiliang Yuan <hidden>
• HOTtoday [PATCH 1/2] mm/compaction: keep compaction deferral state per migration mode
  2026-10-01 · Qiliang Yuan <hidden>
• COOLING4d [PATCH RFC v2 7/7] mm/vmscan: pass scan_control to mm_vmscan_balance_pgdat_end
  2026-09-28 · Ridong Chen <ridong.chen@linux.dev>
• COOLING4d [PATCH RFC v2 6/7] mm/vmscan: pass scan_control to mm_vmscan_reclaim_pages
  2026-09-28 · Ridong Chen <ridong.chen@linux.dev>
• COOLING4d [PATCH RFC v2 5/7] mm/vmscan: pass scan_control to the LRU isolate/shrink tracepoints
  2026-09-28 · Ridong Chen <ridong.chen@linux.dev>
• COOLING4d [PATCH RFC v2 4/7] mm/vmscan: pass scan_control to the reclaim-begin tracepoints
  2026-09-28 · Ridong Chen <ridong.chen@linux.dev>
• COOLING4d [PATCH RFC v2 3/7] mm/vmscan: move struct scan_control to a dedicated header
  2026-09-28 · Ridong Chen <ridong.chen@linux.dev>
• COOLING4d [PATCH RFC v2 2/7] mm/vmscan: move vmscan tracepoints to a local header
  2026-09-28 · Ridong Chen <ridong.chen@linux.dev>
• COOLING4d [PATCH RFC v2 1/7] mm/memcontrol: drop unused vmscan tracepoint include
  2026-09-28 · Ridong Chen <ridong.chen@linux.dev>
• HOTtoday [PATCH v3 7/9] mm/kasan: use hw_pte_t for the early shadow PTE table
  2026-09-22 · Muhammad Usama Anjum <hidden>
• HOTtoday [PATCH v3 3/9] mm: use hw_pte_t for generic PTE table storage
  2026-09-22 · Muhammad Usama Anjum <hidden>
• HOTtoday REVIEWED: 17 (17M) [PATCH v3 2/9] mm: rename pointers to software PTE values as ptentp
  2026-09-22 · Muhammad Usama Anjum <hidden>
• HOTtoday REVIEWED: 17 (17M) [PATCH v3 1/9] mm: introduce hw_pte_t for PTE table storage
  2026-09-22 · Muhammad Usama Anjum <hidden>
• WARM3d [PATCH 3/4] alloc_tag: extend allocinfo_filter to support tracing queries
  2026-09-21 · Abhishek Bapat <hidden>
• WARM3d [PATCH 2/4] alloc_tag: Introduce IOCTLs to toggle allocation tracepoints
  2026-09-21 · Abhishek Bapat <hidden>
• WARM3d [PATCH 1/4] alloc_tag: Add trace events for tracing allocations
  2026-09-21 · Abhishek Bapat <hidden>
• COOLING11d [PATCH RFC 4/4] mm/vmscan: pass scan_control to the reclaim-begin tracepoints
  2026-09-21 · Ridong Chen <ridong.chen@linux.dev>
• COOLING11d [PATCH RFC 3/4] mm/vmscan: move struct scan_control to the local trace header
  2026-09-21 · Ridong Chen <ridong.chen@linux.dev>
• COOLING11d [PATCH RFC 2/4] mm/vmscan: move vmscan tracepoints to a local header
  2026-09-21 · Ridong Chen <ridong.chen@linux.dev>
• COOLING11d [PATCH RFC 1/4] mm/memcontrol: drop unused vmscan tracepoint include
  2026-09-21 · Ridong Chen <ridong.chen@linux.dev>
• COOLING11d REVIEWED: 17 (17M) [PATCH v4 04/15] mm/memory-failure: convert process iterator to for_each_process_rculock
  2026-09-21 · Ye Liu <hidden>
• COOLING11d REVIEWED: 33 (33M) [PATCH v4 03/15] mm/ksm: convert process iterator to for_each_process_rculock
  2026-09-21 · Ye Liu <hidden>
• COOLING11d REVIEWED: 16 (16M) [PATCH v4 02/15] mm/oom_kill: convert process/thread iterators to for_each_*_rculock
  2026-09-21 · Ye Liu <hidden>
• WARM3d IN LINUX-NEXT [PATCH v5 10/17] mm/page-flags: check page/folio->private instead of PG_private
  2026-09-21 · Zi Yan <ziy@nvidia.com>
• HOTtoday IN LINUX-NEXT [PATCH v3 40/40] mm/vma: introduce and use vma[_flags]_can_gup()
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday IN LINUX-NEXT [PATCH v3 39/40] mm/huge_memory: remove vma_is_special_huge()
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday IN LINUX-NEXT [PATCH v3 36/40] mm: avoid use of VMA_SPECIAL_FLAGS in migrate_vma_setup()
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday IN LINUX-NEXT [PATCH v3 35/40] mm: eliminate VMA_SPECIAL_FLAGS check in lru_gen_look_around()
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday IN LINUX-NEXT [PATCH v3 34/40] mm: eliminate VMA_SPECIAL_FLAGS usage when hugetlb explicitly tested
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday IN LINUX-NEXT [PATCH v3 33/40] mm/madvise: use predicates for madvise(..., MADV_DOFORK)
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@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.

• STALE128d REVIEWED: 1 (0M) [PATCH v16 03/20] unwind_user/sframe: Store .sframe section data in per-mm maple tree
  2026-05-21 · Jens Remus <hidden> · 1 Reviewed-by
• STALE99d REVIEWED: 1 (0M) [PATCH v7 14/42] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• STALE68d REVIEWED: 1 (0M) [PATCH v8 18/46] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@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.

• STALE169d [PATCH 33/61] mm: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE190d [PATCH 18/53] shmem: use d_duplicate()
  2026-03-12 · NeilBrown <hidden>
• STALE200d [PATCH v8 2/3] mm: vmscan: add cgroup IDs to vmscan tracepoints
  2026-03-16 · Thomas Ballasi <hidden>
• STALE198d [PATCH 4/8] memblock: make free_reserved_area() more robust
  2026-03-18 · Mike Rapoport <rppt@kernel.org>
• STALE198d [PATCH 5/8] memblock: extract page freeing from free_reserved_area() into a helper
  2026-03-18 · Mike Rapoport <rppt@kernel.org>
• STALE198d [PATCH 6/8] memblock: make free_reserved_area() update memblock if ARCH_KEEP_MEMBLOCK=y
  2026-03-18 · Mike Rapoport <rppt@kernel.org>
• STALE198d [PATCH 7/8] memblock, treewide: make memblock_free() handle late freeing
  2026-03-18 · Mike Rapoport <rppt@kernel.org>
• STALE198d [PATCH 8/8] memblock: warn when freeing reserved memory before memory map is initialized
  2026-03-18 · Mike Rapoport <rppt@kernel.org>
• STALE187d [PATCH v2 1/9] memblock: reserve_mem: fix end caclulation in reserve_mem_release_by_name()
  2026-03-23 · Mike Rapoport <rppt@kernel.org>
• STALE187d [PATCH v2 5/9] memblock: make free_reserved_area() more robust
  2026-03-23 · Mike Rapoport <rppt@kernel.org>