memory management - misc · Maintained

Maintainers

• M Andrew Morton <akpm@linux-foundation.org>
• M David Hildenbrand <david@kernel.org>
• R Lorenzo Stoakes <ljs@kernel.org>
• R Liam R. Howlett <liam@infradead.org>
• R Vlastimil Babka <vbabka@kernel.org>
• R Mike Rapoport <rppt@kernel.org>
• R Suren Baghdasaryan <surenb@google.com>
• R Michal Hocko <mhocko@suse.com>

Paths

• F Documentation/ABI/testing/sysfs-kernel-mm
• F Documentation/ABI/testing/sysfs-kernel-mm-cma
• F Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers
• F Documentation/ABI/testing/sysfs-kernel-mm-numa
• F Documentation/admin-guide/mm/
• F Documentation/mm/
• F include/linux/cma.h
• F include/linux/dmapool.h
• F include/linux/ioremap.h
• F include/linux/memory-tiers.h
• F include/linux/page_idle.h
• F mm/backing-dev.c
• F mm/cma.c
• F mm/cma_debug.c
• F mm/cma_sysfs.c
• F mm/dmapool.c
• F mm/dmapool_test.c
• F mm/early_ioremap.c
• F mm/fadvise.c
• F mm/ioremap.c
• F mm/mapping_dirty_helpers.c
• F mm/memory-tiers.c
• F mm/page_idle.c
• F mm/pgalloc-track.h
• F mm/process_vm_access.c
• F tools/testing/selftests/mm/

Last 30 days

Most active threads (last 7 days)

• DORMANTno replies REVIEWED: 25 (25M) FAILED: patch "[PATCH] selftests/mm: fix potential wild pointer access of getline" failed to apply to 5.15-stable tree
  2026-08-05 11:36 · 0 replies in 7d · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 25 (25M) FAILED: patch "[PATCH] selftests/mm: fix potential wild pointer access of getline" failed to apply to 5.10-stable tree
  2026-08-05 11:36 · 0 replies in 7d · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 25 (25M) FAILED: patch "[PATCH] selftests/mm: fix potential wild pointer access of getline" failed to apply to 6.1-stable tree
  2026-08-05 11:36 · 0 replies in 7d · <gregkh@linuxfoundation.org>
• WARM2d FAILED: patch "[PATCH] fs/proc/task_mmu: fix PAGEMAP_SCAN written state for" failed to apply to 6.12-stable tree
  2026-08-05 09:33 · 0 replies in 7d · <gregkh@linuxfoundation.org>
• WARM2d FAILED: patch "[PATCH] fs/proc/task_mmu: fix PAGEMAP_SCAN written state for" failed to apply to 6.18-stable tree
  2026-08-05 09:33 · 0 replies in 7d · <gregkh@linuxfoundation.org>

Active reviewers (last 30 days)

• Venkat Rao Bagalkote <hidden>
  25 attestations (25 Tested-by) · last on 2026-07-21
• David Hildenbrand (arm) <david@kernel.org>
  15 attestations (13 Acked-by, 2 Reviewed-by) · last on 2026-08-05
• Zi Yan <ziy@nvidia.com>
  14 attestations (7 Acked-by, 7 Reviewed-by) · last on 2026-07-21
• Lorenzo Stoakes <ljs@kernel.org>
  4 attestations (4 Reviewed-by) · last on 2026-08-05
• Aboorva Devarajan <hidden>
  4 attestations (4 Co-developed-by) · last on 2026-07-21
• Mark Brown <broonie@kernel.org>
  4 attestations (4 Reviewed-by) · last on 2026-07-21
• Randy Dunlap <hidden>
  2 attestations (1 Acked-by, 1 Tested-by) · last on 2026-07-21
• Tejun Heo <tj@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-07-16
• Balbir Singh <hidden>
  1 attestation (1 Acked-by) · last on 2026-07-21
• Miaohe Lin <linmiaohe@huawei.com>
  1 attestation (1 Reviewed-by) · last on 2026-07-21

Recent patches

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

• DORMANTno replies REVIEWED: 25 (25M) FAILED: patch "[PATCH] selftests/mm: fix potential wild pointer access of getline" failed to apply to 5.15-stable tree
  2026-08-05 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 25 (25M) FAILED: patch "[PATCH] selftests/mm: fix potential wild pointer access of getline" failed to apply to 5.10-stable tree
  2026-08-05 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 25 (25M) FAILED: patch "[PATCH] selftests/mm: fix potential wild pointer access of getline" failed to apply to 6.1-stable tree
  2026-08-05 · <gregkh@linuxfoundation.org>
• WARM2d FAILED: patch "[PATCH] fs/proc/task_mmu: fix PAGEMAP_SCAN written state for" failed to apply to 6.12-stable tree
  2026-08-05 · <gregkh@linuxfoundation.org>
• WARM2d FAILED: patch "[PATCH] fs/proc/task_mmu: fix PAGEMAP_SCAN written state for" failed to apply to 6.18-stable tree
  2026-08-05 · <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.99
  2026-07-29 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.146
  2026-07-29 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.179
  2026-07-29 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD15d Re: Linux 7.1.5
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD15d Re: Linux 6.6.145
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.178
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING10d [PATCH v4 01/16] mm: hugetlb: Track used_hpages when getting/putting pages from subpool
  2026-07-22 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING11d IN LINUX-NEXT: 25 (25M) [PATCH v2 2/2] selftests/mm: Fix potential wild pointer access of getline due to missing init
  2026-07-22 · Chris Gellermann <hidden>
• COOLING10d [PATCH 6.6 0750/1266] selftests/mm: fix exclusive_cow test fork() handling
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING10d [PATCH 6.6 0749/1266] selftests/mm: allow PUD-level entries in compound testcase of hmm tests
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING10d REVIEWED: 1 (0M) [PATCH 6.6 0748/1266] selftests/mm: clarify alternate unmapping in compaction_test
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING7d [PATCH 6.12 0606/1276] selftests/mm: fix exclusive_cow test fork() handling
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING7d [PATCH 6.12 0605/1276] selftests/mm: allow PUD-level entries in compound testcase of hmm tests
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING7d REVIEWED: 1 (0M) [PATCH 6.12 0604/1276] selftests/mm: clarify alternate unmapping in compaction_test
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING7d REVIEWED: 1 (0M) [PATCH 6.12 0603/1276] selftests/mm: ensure destination is hugetlb-backed in hugetlb-mremap
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING7d REVIEWED: 16 (15M) [PATCH 6.12 0602/1276] selftest/mm: register existing mapping with userfaultfd in hugetlb-mremap
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING7d REVIEWED: 4 (3M) [PATCH 6.12 0601/1276] selftests/mm: restore default nr_hugepages value via exit trap in charge_reserved_hugetlb.sh
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING7d REVIEWED: 8 (8M) [PATCH 6.12 0128/1276] selftests/mm: Fix resv_sz when parsing arm64 signal frame
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d REVIEWED: 4 (3M) [PATCH 7.1 1159/2077] selftests/mm: restore default nr_hugepages value via exit trap in charge_reserved_hugetlb.sh
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d [PATCH 7.1 1174/2077] selftests/mm: fix exclusive_cow test fork() handling
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d REVIEWED: 1 (0M) [PATCH 7.1 1173/2077] selftests/mm: remove hardcoded THP sizing assumptions in hmm tests
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d [PATCH 7.1 1172/2077] selftests/mm: allow PUD-level entries in compound testcase of hmm tests
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d REVIEWED: 1 (0M) [PATCH 7.1 1171/2077] selftests/mm: clarify alternate unmapping in compaction_test
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d REVIEWED: 2 (1M) [PATCH 7.1 1170/2077] selftests/mm: move hwpoison setup into run_test() and silence modprobe output for memory-failure category
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD17d REVIEWED: 2 (0M) [PATCH 7.1 1169/2077] selftests/mm: run_vmtests.sh: free memory if available memory is low
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.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.

• STALE110d REVIEWED: 7 (7M) FAILED: patch "[PATCH] mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()" failed to apply to 5.15-stable tree
  2026-04-20 · <gregkh@linuxfoundation.org> · 2 Reviewed-by
• STALE110d REVIEWED: 7 (7M) FAILED: patch "[PATCH] mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()" failed to apply to 5.10-stable tree
  2026-04-20 · <gregkh@linuxfoundation.org> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 7 (7M) [PATCH 5.15.y] mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()
  2026-04-20 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 7 (7M) [PATCH 5.10.y] mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()
  2026-04-20 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• STALE71d REVIEWED: 1 (0M) FAILED: patch "[PATCH] mm/memory: fix spurious warning when unmapping" failed to apply to 6.12-stable tree
  2026-05-28 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• STALE71d REVIEWED: 1 (0M) FAILED: patch "[PATCH] mm/memory: fix spurious warning when unmapping" failed to apply to 6.6-stable tree
  2026-05-28 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• STALE71d REVIEWED: 1 (0M) FAILED: patch "[PATCH] mm/memory: fix spurious warning when unmapping" failed to apply to 6.1-stable tree
  2026-05-28 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 6.12.y] mm/memory: fix spurious warning when unmapping device-private/exclusive pages
  2026-05-29 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 6.6.y] mm/memory: fix spurious warning when unmapping device-private/exclusive pages
  2026-05-29 · Sasha Levin <sashal@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 [PATCH 6.18 102/198] tools/testing/selftests: add forked (un)/faulted VMA merge tests
  2026-01-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.7
  2026-01-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE191d Re: Linux 6.18.8
  2026-01-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.9
  2026-02-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE167d [PATCH 6.12.y 01/14] selftests/mm: fix condition in uffd_move_test_common()
  2026-02-19 · Harshit Mogalapalli <hidden>
• STALE167d [PATCH 6.12.y 02/14] selftests/mm: fix -Wmaybe-uninitialized warnings
  2026-02-19 · Harshit Mogalapalli <hidden>
• STALE167d [PATCH 6.12.y 03/14] selftests/mm: fix strncpy() length
  2026-02-19 · Harshit Mogalapalli <hidden>
• STALE167d [PATCH 6.12.y 06/14] selftests/mm: fix -Warray-bounds warnings in pkey_sighandler_tests
  2026-02-19 · Harshit Mogalapalli <hidden>
• STALE167d [PATCH 6.12.y 07/14] selftests/mm: remove unused pkey helpers
  2026-02-19 · Harshit Mogalapalli <hidden>
• STALE167d [PATCH 6.12.y 08/14] selftests/mm: define types using typedef in pkey-helpers.h
  2026-02-19 · Harshit Mogalapalli <hidden>