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 v1.2 0/5] mm/damon: unurgent fixes for infinite loop, NULL de-ref and races
  2026-07-13 13:58 · 4 replies in 7d · SJ Park <sj@kernel.org>
• WARM1d [RFC PATCH v1.1 0/5] mm/damon: unurgent fixes for infinite loop, NULL de-ref and races
  2026-07-12 17:03 · 4 replies in 7d · SJ Park <sj@kernel.org>
• HOTtoday [PATCH mm-hotfixes v2 0/4] mm: fix UAF caused by race between ptdump and vmap pgtable freeing
  2026-07-12 10:44 · 3 replies in 7d · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [RFC PATCH 0/5] mm/damon: unurgent fixes for infinite loop, NULL de-ref and races
  2026-07-11 18:04 · 4 replies in 7d · SJ Park <sj@kernel.org>
• HOTtoday [PATCH 0/2] mm/hugetlb: fix list corruption in allocate_file_region_entries()
  2026-07-13 17:15 · 1 reply in 7d · Xiangfeng Cai <hidden>
• HOTtoday [PATCH] mm: thp: pin the inode across a file folio split
  2026-07-13 17:09 · 0 replies in 7d · Kiryl Shutsemau <hidden>
• DORMANTno replies FAILED: patch "[PATCH] mm: swap_cgroup: fix NULL deref in lookup_swap_cgroup_id on" failed to apply to 6.12-stable tree
  2026-07-13 13:46 · 0 replies in 7d · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 3 (3M) FAILED: patch "[PATCH] mm: shrinker: fix NULL pointer dereference in debugfs" failed to apply to 6.1-stable tree
  2026-07-13 13:46 · 0 replies in 7d · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 15 (14M) FAILED: patch "[PATCH] mm/shrinker: do not hold RCU lock in" failed to apply to 6.1-stable tree
  2026-07-13 13:46 · 0 replies in 7d · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 15 (14M) FAILED: patch "[PATCH] mm/shrinker: do not hold RCU lock in" failed to apply to 6.6-stable tree
  2026-07-13 13:46 · 0 replies in 7d · <gregkh@linuxfoundation.org>

Active reviewers (last 30 days)

• David Hildenbrand (Arm) <david@kernel.org>
  39 attestations (32 Acked-by, 2 Reported-by, 5 Suggested-by) · last on 2026-07-10
• Lorenzo Stoakes <ljs@kernel.org>
  19 attestations (18 Reviewed-by, 1 Suggested-by) · last on 2026-07-08
• Muchun Song <muchun.song@linux.dev>
  17 attestations (13 Acked-by, 4 Reviewed-by) · last on 2026-07-13
• sashiko-bot <sashiko-bot@kernel.org>
  14 attestations (14 Reported-by) · last on 2026-07-10
• Zi Yan <ziy@nvidia.com>
  12 attestations (2 Acked-by, 6 Reviewed-by, 2 Suggested-by, 2 Tested-by) · last on 2026-07-10
• Lance Yang <lance.yang@linux.dev>
  12 attestations (10 Reviewed-by, 2 Tested-by) · last on 2026-07-08
• Oscar Salvador (SUSE) <osalvador@kernel.org>
  12 attestations (12 Acked-by) · last on 2026-06-15
• Dev Jain <dev.jain@arm.com>
  11 attestations (11 Reviewed-by) · last on 2026-07-12
• Oscar Salvador <osalvador@suse.de>
  10 attestations (10 Acked-by) · last on 2026-06-16
• Miaohe Lin <linmiaohe@huawei.com>
  9 attestations (9 Acked-by) · last on 2026-06-15

Recent patches

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

• HOTtoday [PATCH 1/2] mm/hugetlb: fix list corruption in allocate_file_region_entries()
  2026-07-13 · Xiangfeng Cai <hidden>
• HOTtoday [PATCH] mm: thp: pin the inode across a file folio split
  2026-07-13 · Kiryl Shutsemau <hidden>
• HOTtoday [RFC PATCH v1.2 3/5] mm/damon/vaddr: drop last same folio access check optimization
  2026-07-13 · SJ Park <sj@kernel.org>
• HOTtoday [RFC PATCH v1.2 4/5] mm/damon/paddr: drop last same folio access check reuse optimization
  2026-07-13 · SJ Park <sj@kernel.org>
• HOTtoday [RFC PATCH v1.2 1/5] mm/damon/core: avoid infinite kdamond_merge_regions() internal loop
  2026-07-13 · SJ Park <sj@kernel.org>
• HOTtoday [RFC PATCH v1.2 2/5] mm/damon/tests/core-kunit: catch test failure in test_merge_regions_of()
  2026-07-13 · SJ Park <sj@kernel.org>
• DORMANTno replies FAILED: patch "[PATCH] mm: swap_cgroup: fix NULL deref in lookup_swap_cgroup_id on" failed to apply to 6.12-stable tree
  2026-07-13 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 3 (3M) FAILED: patch "[PATCH] mm: shrinker: fix NULL pointer dereference in debugfs" failed to apply to 6.1-stable tree
  2026-07-13 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 15 (14M) FAILED: patch "[PATCH] mm/shrinker: do not hold RCU lock in" failed to apply to 6.1-stable tree
  2026-07-13 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 15 (14M) FAILED: patch "[PATCH] mm/shrinker: do not hold RCU lock in" failed to apply to 6.6-stable tree
  2026-07-13 · <gregkh@linuxfoundation.org>
• HOTtoday [PATCH] mm/hugetlb: restore failed global reservations to subpool in alloc_hugetlb_folio
  2026-07-13 · Song Hu <hidden>
• HOTtoday [PATCH] mm: memcg-v1: account vmpressure event allocations
  2026-07-13 · Guopeng Zhang <hidden>
• HOTtoday [PATCH] mm: memcontrol: update state_local when flushing NMI stats
  2026-07-13 · Guopeng Zhang <hidden>
• WARM1d [RFC PATCH v1.1 4/5] mm/damon/paddr: drop last same folio access check reuse optimization
  2026-07-12 · SJ Park <sj@kernel.org>
• WARM1d [RFC PATCH v1.1 2/5] mm/damon/tests/core-kunit: catch test failure in test_merge_regions_of()
  2026-07-12 · SJ Park <sj@kernel.org>
• WARM1d [RFC PATCH v1.1 3/5] mm/damon/vaddr: drop last same folio access check optimization
  2026-07-12 · SJ Park <sj@kernel.org>
• WARM1d [RFC PATCH v1.1 1/5] mm/damon/core: avoid infinite kdamond_merge_regions() internal loop
  2026-07-12 · SJ Park <sj@kernel.org>
• WARM1d [PATCH] mm/damon/core: skip aging from repeated aggressive merging
  2026-07-12 · SJ Park <sj@kernel.org>
• HOTtoday REVIEWED: 12 (12M) [PATCH mm-hotfixes v2 4/4] arm64: remove redundant concurrent ptdump UAF mitigation
  2026-07-12 · Lorenzo Stoakes <ljs@kernel.org>
• HOTtoday REVIEWED: 11 (11M) [PATCH mm-hotfixes v2 3/4] mm/ptdump: always stabilise against page table freeing using init_mm
  2026-07-12 · Lorenzo Stoakes <ljs@kernel.org>
• HOTtoday REVIEWED: 11 (11M) [PATCH mm-hotfixes v2 1/4] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-12 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [RFC PATCH 3/5] mm/damon/vaddr: drop last same folio access check optimization
  2026-07-11 · SJ Park <sj@kernel.org>
• WARM2d [RFC PATCH 4/5] mm/damon/paddr: drop last same folio access check reuse optimization
  2026-07-11 · SJ Park <sj@kernel.org>
• WARM2d [RFC PATCH 1/5] mm/damon/core: avoid infinite kdamond_merge_regions() internal loop
  2026-07-11 · SJ Park <sj@kernel.org>
• WARM2d [RFC PATCH 2/5] mm/damon/tests/core-kunit: catch test failure in test_merge_regions_of()
  2026-07-11 · SJ Park <sj@kernel.org>
• DORMANTno replies [RFC PATCH] mm/damon/core: skip aging from repeated aggressive merging
  2026-07-11 · SJ Park <sj@kernel.org>
• HOTtoday [PATCH] mm: huge_memory: Fix kobject cleanup in thpsize_create error
  2026-07-11 · Hongling Zeng <hidden>
• WARM2d [PATCH] mm: shrinker: Fix double-free in alloc_shrinker_info error path
  2026-07-11 · Hongling Zeng <hidden>
• WARM2d [PATCH] mm: shrinker: fix double-free in alloc_shrinker_info error path
  2026-07-11 · Hongling Zeng <hidden>
• DORMANTno replies [PATCH] mm: shrinker: fix double-free in alloc_shrinker_info error path
  2026-07-11 · Hongling Zeng <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.

• DORMANTno replies REVIEWED: 4 (4M) FAILED: patch "[PATCH] kasan: unpoison vms[area] addresses with a common tag" failed to apply to 6.1-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 4 (4M) FAILED: patch "[PATCH] kasan: unpoison vms[area] addresses with a common tag" failed to apply to 6.6-stable tree
  2026-01-05 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• STALE189d REVIEWED: 1 (0M) [PATCH 6.12.y 2/3] mm/balloon_compaction: convert balloon_page_delete() to balloon_page_finalize()
  2026-01-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE189d REVIEWED: 1 (0M) [PATCH 6.6.y 2/3] mm/balloon_compaction: convert balloon_page_delete() to balloon_page_finalize()
  2026-01-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE189d REVIEWED: 1 (0M) [PATCH 6.1.y 2/3] mm/balloon_compaction: convert balloon_page_delete() to balloon_page_finalize()
  2026-01-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE189d REVIEWED: 1 (0M) [PATCH 5.15.y 1/4] mm/balloon_compaction: make balloon page compaction callbacks static
  2026-01-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE189d REVIEWED: 1 (0M) [PATCH 5.15.y 3/4] mm/balloon_compaction: convert balloon_page_delete() to balloon_page_finalize()
  2026-01-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE189d REVIEWED: 1 (0M) [PATCH 5.10.y 1/4] mm/balloon_compaction: make balloon page compaction callbacks static
  2026-01-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE189d REVIEWED: 1 (0M) [PATCH 5.10.y 3/4] mm/balloon_compaction: convert balloon_page_delete() to balloon_page_finalize()
  2026-01-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 2 (0M) [PATCH 5.15 2/2] mm: Fix copy_from_user_nofault().
  2026-01-08 · Thadeu Lima de Souza Cascardo <hidden> · 2 Tested-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 v2] mm/memory-failure: fix missing ->mf_stats count in hugetlb poison
  2025-12-19 · Jane Chu <hidden>
• STALE201d [PATCH v1 1/5] mm: Add missing static initializer for init_mm::mm_cid.lock
  2025-12-21 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE181d [PATCH v1 1/3] mm: Add missing static initializer for init_mm::mm_cid.lock
  2025-12-24 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE181d [PATCH v1 2/3] mm: Rename cpu_bitmap field to flexible_array
  2025-12-24 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE191d [PATCH 1/4] mm/damon/sysfs: cleanup intervals subdirs on attrs dir setup failure
  2025-12-25 · SeongJae Park <sj@kernel.org>
• STALE191d [PATCH 2/4] mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure
  2025-12-25 · SeongJae Park <sj@kernel.org>
• STALE191d [PATCH 3/4] mm/damon/sysfs-scheme: cleanup quotas subdirs on scheme dir setup failure
  2025-12-25 · SeongJae Park <sj@kernel.org>
• STALE191d [PATCH 4/4] mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure
  2025-12-25 · SeongJae Park <sj@kernel.org>
• STALE178d Re: [PATCH RESEND v3 4/4] mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather
  2025-12-25 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• DORMANTno replies Re: Linux 6.18.3
  2026-01-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>