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 [RFC PATCH v2 00/13] mm: rework anon_vma and remove anon_vma_chain
  2026-07-07 06:40 · 13 replies in 7d · tao <hidden>
• HOTtoday [RFC PATCH 00/10] mm/swap: ghost swapfile with backend switching via Redirect entries
  2026-07-07 08:27 · 10 replies in 7d · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH v1.1 00/16] mm/damon: introduce data attributes only monitoring
  2026-07-06 14:19 · 13 replies in 7d · SJ Park <sj@kernel.org>
• HOTtoday [RFC PATCH 0/7] mm: store zswap entries in swap table (Pointer entry)
  2026-07-07 07:34 · 7 replies in 7d · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 0/6] mm/damon: update probe hits for runtime parameter commits
  2026-07-07 04:39 · 6 replies in 7d · SJ Park <sj@kernel.org>
• HOTtoday [PATCH 0/8] mm/khugepaged: several cleanups
  2026-07-06 16:33 · 8 replies in 7d · Nico Pache <npache@redhat.com>
• HOTtoday [RFC PATCH 0/6] mm/hugetlb: Dynamic, NUMA-aware HugePage Cache & Free Page Reporting
  2026-07-07 06:42 · 5 replies in 7d · Sourav Panda <hidden>
• WARM1d [RFC PATCH 00/16] mm/damon: introduce data attributes only monitoring
  2026-07-05 20:58 · 13 replies in 7d · SJ Park <sj@kernel.org>
• HOTtoday [PATCH v9 00/15] userfaultfd: working set tracking for VM guest memory
  2026-07-06 08:48 · 9 replies in 7d · Kiryl Shutsemau <hidden>
• HOTtoday [PATCH 00/11] mm/damon: refactor damon_{start,stop,commit}() for simple error handling
  2026-07-06 14:06 · 7 replies in 7d · SJ Park <sj@kernel.org>

Active reviewers (last 30 days)

• David Hildenbrand <david@kernel.org>
  82 attestations (40 Acked-by, 4 Co-developed-by, 3 Reported-by, 3 Reviewed-by, 32 Suggested-by) · last on 2026-07-06
• Vlastimil Babka (SUSE) <vbabka@kernel.org>
  49 attestations (1 Acked-by, 40 Reviewed-by, 8 Suggested-by) · last on 2026-07-03
• Mike Rapoport (Microsoft) <rppt@kernel.org>
  46 attestations (22 Acked-by, 24 Reviewed-by) · last on 2026-07-06
• Zi Yan <ziy@nvidia.com>
  36 attestations (8 Acked-by, 27 Reviewed-by, 1 Tested-by) · last on 2026-07-06
• Suren Baghdasaryan <surenb@google.com>
  20 attestations (3 Acked-by, 16 Reviewed-by, 1 Suggested-by) · last on 2026-07-06
• Johannes Weiner <hannes@cmpxchg.org>
  18 attestations (12 Acked-by, 6 Suggested-by) · last on 2026-07-05
• Harry Yoo <harry@kernel.org>
  17 attestations (3 Acked-by, 12 Reviewed-by, 2 Suggested-by) · last on 2026-07-03
• Nhat Pham <nphamcs@gmail.com>
  17 attestations (11 Reviewed-by, 6 Suggested-by) · last on 2026-06-29
• SeongJae Park <sj@kernel.org>
  16 attestations (3 Acked-by, 11 Reviewed-by, 2 Suggested-by) · last on 2026-07-06
• Gregory Price <gourry@gourry.net>
  14 attestations (13 Reviewed-by, 1 Suggested-by) · last on 2026-07-05

Recent patches

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

• HOTtoday [RFC PATCH 10/10] mm/swapfile: add sysfs interface for ghost swap extension
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 09/10] mm/swapfile: implement swap_ghost_extend_max() for dynamic growth
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 08/10] mm/swapfile: manage ghost cluster_info via lazy vmalloc
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 07/10] mm/page_io: forward ghost swap reads to physical device via Redirect
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 06/10] mm/zswap: implement ghost-to-physical writeback for backend switching
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 05/10] mm/swap_state: restore Redirect entry when swap cache folio is removed
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 04/10] mm/swapfile: implement ghost redirect helpers and free-path cascade
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 03/10] mm/swap: add redirect_xa field and ghost redirect helper declarations
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 02/10] mm/swap_table: add Redirect entry encoding for ghost swap backend switching
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 01/10] mm: ghost swapfile support for zswap
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• DORMANTno replies [RFC PATCH 7/7] mm/zswap, mm/swap_state: replace xarray indexing with swap table lookups
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 6/7] mm/zswap, mm/swap_state: migrate zswap to use swap_table for entry indexing
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 5/7] mm/swapfile: handle Pointer entries in count/dup/put paths
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 4/7] mm/zswap, mm/swap_state: handle Pointer entries in add_folio path
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 3/7] mm/swap_state: do zswap conversion in __swap_cache_do_del_folio
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 2/7] mm/zswap: add swp_tb_val to zswap_entry and Pointer accessor helpers
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [RFC PATCH 1/7] mm/swap_table: add Pointer type support for zswap entry storage
  2026-07-07 · Baoquan He <baoquan.he@linux.dev>
• HOTtoday [PATCH 6/6] mm/hugetlb: support free page reporting for cached hugepages
  2026-07-07 · Sourav Panda <hidden>
• HOTtoday [PATCH 4/6] mm/hugetlb: add memory shrinker for cache
  2026-07-07 · Sourav Panda <hidden>
• HOTtoday [PATCH 2/6] mm/hugetlb: implement cache recycling and allocation
  2026-07-07 · Sourav Panda <hidden>
• HOTtoday [PATCH 3/6] mm/hugetlb: add sysfs interfaces for cache
  2026-07-07 · Sourav Panda <hidden>
• HOTtoday [PATCH 1/6] mm/hugetlb: add Kconfig and basic cache infrastructure
  2026-07-07 · Sourav Panda <hidden>
• HOTtoday [RFC PATCH v2 02/13] mm: implement helpers for ANON_VMA_FRACTAL
  2026-07-07 · tao <hidden>
• HOTtoday [RFC PATCH v2 04/13] mm: implement anon_node_clone for ANON_VMA_FRACTAL
  2026-07-07 · tao <hidden>
• HOTtoday [RFC PATCH v2 08/13] mm: implement anonymous folio rmap for ANON_VMA_FRACTAL
  2026-07-07 · tao <hidden>
• HOTtoday [RFC PATCH v2 10/13] mm: replace anon_vma with anon_node for ANON_VMA_FRACTAL
  2026-07-07 · tao <hidden>
• HOTtoday [RFC PATCH v2 09/13] mm: prepare anon_node replacement for ANON_VMA_FRACTAL
  2026-07-07 · tao <hidden>
• HOTtoday [RFC PATCH v2 03/13] mm: implement __anon_node_prepare for ANON_VMA_FRACTAL
  2026-07-07 · tao <hidden>
• HOTtoday [RFC PATCH v2 06/13] mm: implement unlink_anon_nodes for ANON_VMA_FRACTAL
  2026-07-07 · tao <hidden>
• HOTtoday [RFC PATCH v2 11/13] mm: optimize rmap for ANON_VMA_FRACTAL with PVL
  2026-07-07 · tao <hidden>

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.

• STALE188d REVIEWED: 1 (0M) [PATCH next v2 1/2] mm/huge_memory: Implementation of THP COW for executable file mmap
  2025-12-26 · Zhang Qilong <hidden> · 1 Tested-by
• STALE180d REVIEWED: 1 (0M) [PATCH v2] slub: clarify object field layout comments
  2025-12-29 · Hao Li <hao.li@linux.dev> · 1 Acked-by
• STALE188d REVIEWED: 5 (5M) [PATCH v2] liveupdate: separate memfd support into LIVEUPDATE_MEMFD
  2025-12-30 · Pasha Tatashin <pasha.tatashin@soleen.com> · 1 Reviewed-by
• STALE188d REVIEWED: 5 (5M) [PATCH v3] liveupdate: separate memfd support into LIVEUPDATE_MEMFD
  2025-12-30 · Pasha Tatashin <pasha.tatashin@soleen.com> · 1 Reviewed-by
• STALE181d REVIEWED: 1 (1M) [PATCH mm-unstable v3 2/3] mm/page_alloc: refactor the initial compaction handling
  2026-01-06 · Vlastimil Babka <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (1M) [PATCH v3] mm/damon/paddr: initialize 'folio' variables to NULL for clarity
  2026-01-08 · SeongJae Park <sj@kernel.org> · 1 Reviewed-by
• STALE173d REVIEWED: 1 (0M) [PATCH v4 2/2] mm/memory-failure: teach kill_accessing_process to accept hugetlb tail page pfn
  2026-01-13 · Jane Chu <hidden> · 1 Reviewed-by
• STALE175d REVIEWED: 1 (1M) [PATCH v2 1/2] mm: kmsan: add tests for high-order page freeing
  2026-01-13 · Alexander Potapenko <glider@google.com> · 1 Reviewed-by
• STALE160d REVIEWED: 1 (0M) [PATCH v9 02/13] mm/gup: drop secretmem optimization from gup_fast_folio_allowed
  2026-01-14 · Kalyazin, Nikita <hidden> · 1 Acked-by
• STALE172d REVIEWED: 1 (0M) [PATCH v5 2/2] mm/memory-failure: teach kill_accessing_process to accept hugetlb tail page pfn
  2026-01-14 · Jane Chu <hidden> · 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.

• STALE209d [PATCH -next 1/2] memcg: move mem_cgroup_usage memcontrol-v1.c
  2025-12-09 · Chen Ridong <hidden>
• STALE178d [PATCH v7 14/15] x86/kasan: Logical bit shift for kasan_mem_to_shadow
  2025-12-10 · Maciej Wieczor-Retman <hidden>
• DORMANTno replies [RFC PATCH] mm/page_alloc: ?nommu? Deadlock in drain_pages_zone()?
  2025-12-11 · Daniel Palmer <daniel@thingy.jp>
• DORMANTno replies Re: [GIT PULL] MM updates for 6.19-rc1
  2025-12-12 · Joshua Hahn <joshua.hahnjy@gmail.com>
• STALE175d [RESEND RFC PATCH 2/2] arm64/mm: Enable huge-vmalloc by default
  2025-12-12 · Dev Jain <dev.jain@arm.com>
• STALE195d [PATCH 1/2] mm: introduce pagetable_alloc_nolock()
  2025-12-12 · Yeoreum Yun <hidden>
• STALE199d [PATCH v10 3/3] mm: Implement precise OOM killer task selection
  2025-12-13 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE161d Re: [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-15 · Jinjiang Tu <hidden>
• STALE201d [PATCH 02/11] mm: introduce pgtable_has_pmd_leaves()
  2025-12-15 · Luiz Capitulino <hidden>
• STALE201d [PATCH 06/11] mm: debug_vm_pgtable: use pgtable_has_pmd_leaves()
  2025-12-15 · Luiz Capitulino <hidden>