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 v8 00/14] coco: guest: Add a shared-granule allocator for host-shared memory
  2026-09-24 10:09 · 3 replies in 7d · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM2d [RFC PATCH v7 00/13] coco: guest: Add a shared-granule allocator for host-shared memory
  2026-09-23 09:59 · 2 replies in 7d · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>

Active reviewers (last 30 days)

• Vlastimil Babka (SUSE) <vbabka@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-08-31
• David Hildenbrand <david@kernel.org>
  1 attestation (1 Suggested-by) · last on 2026-08-31
• Fuad Tabba <fuad.tabba@linux.dev>
  1 attestation (1 Reviewed-by) · last on 2026-08-31
• Binbin Wu <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-08-31

Recent patches

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

• HOTtoday [RFC PATCH v8 13/14] mm: Assert CoCo shared allocations may sleep
  2026-09-24 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• HOTtoday [RFC PATCH v8 02/14] mm: Zero memory during shared memory transitions
  2026-09-24 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• HOTtoday [RFC PATCH v8 01/14] mm: Add an allocator for CoCo shared memory
  2026-09-24 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM2d Re: [RFC PATCH v7 02/13] mm: Add an allocator for CoCo shared memory
  2026-09-23 · Aneesh Kumar K.V <aneesh.kumar@kernel.org>
• WARM2d [RFC PATCH v7 02/13] mm: Add an allocator for CoCo shared memory
  2026-09-21 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM2d [RFC PATCH kernel 06/17] x86/io/tsm: Allow mixed ioremap for shared+private BARs
  2026-09-16 · Alexey Kardashevskiy <hidden>
• COLD16d REVIEWED: 11 (10M) [PATCH v12 18/45] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD28d REVIEWED: 11 (10M) [PATCH v11 18/46] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-08-26 · Ackerley Tng <hidden>
• COLD28d [PATCH v11 17/46] mm/gup: factor out LRU cache draining for folio into lru_cache_drain_for_folio()
  2026-08-26 · Ackerley Tng <hidden>
• COLD29d [PATCH v10 14/41] mm/gup: factor out LRU cache draining for folio into lru_cache_drain_for_folio()
  2026-08-07 · Ackerley Tng <hidden>
• COLD29d REVIEWED: 9 (9M) [PATCH v10 15/41] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-08-07 · Ackerley Tng <hidden>
• COOLING14d [PATCH v3 2/9] mm: split AS_UNMOVABLE back out of AS_INACCESSIBLE
  2026-08-05 · Shivank Garg <hidden>
• COLD46d Re: [PATCH v9 14/41] mm: swap: Introduce lru_add_drain_progressive()
  2026-07-31 · "David Hildenbrand (Arm)" <david@kernel.org>
• COLD46d Re: [PATCH v9 14/41] mm: swap: Introduce lru_add_drain_progressive()
  2026-07-30 · "David Hildenbrand (Arm)" <david@kernel.org>
• COLD46d [PATCH v9 14/41] mm: swap: Introduce lru_add_drain_progressive()
  2026-07-29 · Ackerley Tng <hidden>
• COLD46d [PATCH v9 15/41] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-07-29 · Ackerley Tng <hidden>
• COLD57d [PATCH RFC v2 1/4] mm: split AS_UNMOVABLE back out of AS_INACCESSIBLE
  2026-07-28 · Shivank Garg <hidden>
• STALE71d Re: [PATCH v7 16/22] dma-direct: make dma_direct_map_phys() honor DMA_ATTR_CC_SHARED
  2026-07-08 · Aneesh Kumar K.V <aneesh.kumar@kernel.org>
• COLD29d [RFCv2 PATCH 5/6] mm/memory_hotplug: Support ACPI hotplug/unplug for coco guest
  2026-06-23 · Zhenzhong Duan <hidden>
• STALE61d 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>
• STALE100d [PATCH RFC 1/3] mm: split AS_UNMOVABLE back out of AS_INACCESSIBLE
  2026-06-11 · Shivank Garg <hidden>
• STALE102d [RFC PATCH 2/6] mm/memory_hotplug: Add memory pre-unplug callback infrastructure
  2026-06-04 · Zhenzhong Duan <hidden>
• STALE102d [RFC PATCH 1/6] mm/memory_hotplug: Add memory post-plug callback infrastructure
  2026-06-04 · Zhenzhong Duan <hidden>
• STALE92d 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>
• STALE126d Re: [PATCH v5 1/2] dma-mapping: introduce DMA_ATTR_CC_SHARED for shared memory
  2026-05-21 · Jason Gunthorpe <jgg@ziepe.ca>
• STALE121d [PATCH v6 15/43] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-05-07 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE136d [PATCH RFC v5 15/53] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-04-28 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE221d [PATCH v4 2/2] x86/sev: Add support to unaccept memory after hot-remove
  2026-02-03 · Pratik R. Sampat <hidden>
• STALE221d [PATCH v4 1/2] mm/memory_hotplug: Add support to accept memory during hot-add
  2026-02-03 · Pratik R. Sampat <hidden>
• STALE239d [PATCH v3 2/2] x86/sev: Add support to unaccept memory after hot-remove
  2026-01-28 · Pratik R. Sampat <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.

• STALE92d 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
• STALE61d 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.

• STALE136d [PATCH RFC v5 15/53] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-04-28 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE102d [RFC PATCH 1/6] mm/memory_hotplug: Add memory post-plug callback infrastructure
  2026-06-04 · Zhenzhong Duan <hidden>
• STALE102d [RFC PATCH 2/6] mm/memory_hotplug: Add memory pre-unplug callback infrastructure
  2026-06-04 · Zhenzhong Duan <hidden>
• STALE100d [PATCH RFC 1/3] mm: split AS_UNMOVABLE back out of AS_INACCESSIBLE
  2026-06-11 · Shivank Garg <hidden>
• STALE71d Re: [PATCH v7 16/22] dma-direct: make dma_direct_map_phys() honor DMA_ATTR_CC_SHARED
  2026-07-08 · Aneesh Kumar K.V <aneesh.kumar@kernel.org>
• COLD57d [PATCH RFC v2 1/4] mm: split AS_UNMOVABLE back out of AS_INACCESSIBLE
  2026-07-28 · Shivank Garg <hidden>
• COLD46d [PATCH v9 15/41] KVM: guest_memfd: Handle lru_add fbatch refcounts during conversion safety check
  2026-07-29 · Ackerley Tng <hidden>
• COLD28d [PATCH v11 17/46] mm/gup: factor out LRU cache draining for folio into lru_cache_drain_for_folio()
  2026-08-26 · Ackerley Tng <hidden>