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)

• COOLING4d IN LINUX-NEXT: 20 (19M) [PATCH v3] mm: page_reporting: allow driver to set batch capacity
  2026-07-05 06:25 · 0 replies in 7d · "Michael S. Tsirkin" <mst@redhat.com>

Active reviewers (last 30 days)

• David Hildenbrand (Arm) <david@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-07-05
• Gregory Price <gourry@gourry.net>
  1 attestation (1 Reviewed-by) · last on 2026-07-05
• Zi Yan <ziy@nvidia.com>
  1 attestation (1 Acked-by) · last on 2026-07-05
• Pankaj Gupta <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-05

Recent patches

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

• COOLING4d IN LINUX-NEXT: 20 (19M) [PATCH v3] mm: page_reporting: allow driver to set batch capacity
  2026-07-05 · "Michael S. Tsirkin" <mst@redhat.com>
• WARM2d [PATCH 13/13] mm/mremap: convert mremap code to use vma_flags_t
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 12/13] mm/mprotect: convert mprotect code to use vma_flags_t
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 11/13] mm/mlock: convert mlock code to use vma_flags_t
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 10/13] mm/vma: convert miscellaneous uses of VMA flags in core mm
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 09/13] mm/vma: update create_init_stack_vma() to use vma_flags_t
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 08/13] mm: introduce vma_get_page_prot() and use it
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 06/13] mm/vma: convert vm_pgprot_modify() to use vma_flags_t and rename
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 04/13] mm: update generic_get_unmapped_area[_topdown]() to use vma_flags_t
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 05/13] mm: prefer mm->def_vma_flags in mm logic
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 07/13] mm/vma: rename vma_get_page_prot to vma_flags_to_page_prot
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 03/13] mm: convert __get_unmapped_area() to use vma_flags_t
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• WARM2d [PATCH 02/13] mm/vma: update do_mmap() to use vma_flags_t
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• COLD16d [RFCv2 PATCH 5/6] mm/memory_hotplug: Support ACPI hotplug/unplug for coco guest
  2026-06-23 · Zhenzhong Duan <hidden>
• COOLING10d [PATCH v3 3/7] mm: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• COOLING14d Re: [PATCH splitout] mm: memory-failure: serialize TestSetPageHWPoison with zone->lock
  2026-06-16 · "Michael S. Tsirkin" <mst@redhat.com>
• COOLING14d Re: [PATCH splitout] mm: memory-failure: serialize TestSetPageHWPoison with zone->lock
  2026-06-15 · "David Hildenbrand (Arm)" <david@kernel.org>
• COLD26d [PATCH v2] mm: page_reporting: allow driver to set batch capacity
  2026-06-10 · "Michael S. Tsirkin" <mst@redhat.com>
• COOLING14d Re: [PATCH splitout] mm: memory-failure: serialize TestSetPageHWPoison with zone->lock
  2026-06-09 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD31d [PATCH splitout] mm: page_reporting: allow driver to set batch capacity
  2026-06-09 · "Michael S. Tsirkin" <mst@redhat.com>
• COOLING14d REVIEWED: 1 (1M) [PATCH splitout] mm: memory-failure: serialize TestSetPageHWPoison with zone->lock
  2026-06-09 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d [PATCH v10 36/37] mm: balloon: use put_page_zeroed for zeroed balloon pages
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d [PATCH v10 33/37] mm: page_reporting: add flush parameter with page budget
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d [PATCH v10 30/37] mm: page_reporting: add per-page zeroed bitmap for host feedback
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d [PATCH v10 29/37] mm: memfd: skip zeroing for zeroed hugetlb pool pages
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d REVIEWED: 1 (1M) [PATCH v10 28/37] mm: hugetlb: add gfp parameter and skip zeroing for zeroed pages
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d REVIEWED: 1 (1M) [PATCH v10 27/37] mm: use __GFP_ZERO in vma_alloc_anon_folio_pmd
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d REVIEWED: 1 (1M) [PATCH v10 26/37] mm: vma_alloc_anon_folio_pmd: pass raw fault address to vma_alloc_folio
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d REVIEWED: 1 (1M) [PATCH v10 25/37] mm: use __GFP_ZERO in alloc_anon_folio
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>
• COLD18d [PATCH v10 24/37] mm: add put_page_zeroed and folio_put_zeroed
  2026-06-08 · "Michael S. Tsirkin" <mst@redhat.com>

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.

• COLD56d REVIEWED: 1 (1M) [PATCH v7 01/31] mm: mempolicy: fix interleave index for unaligned VMA start
  2026-05-12 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD56d REVIEWED: 1 (1M) [PATCH v7 08/31] mm: page_alloc: move prep_compound_page before post_alloc_hook
  2026-05-12 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD56d REVIEWED: 1 (1M) [PATCH v7 12/31] mm: alloc_anon_folio: pass raw fault address to vma_alloc_folio
  2026-05-12 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD56d REVIEWED: 1 (1M) [PATCH v7 14/31] mm: use __GFP_ZERO in alloc_anon_folio
  2026-05-12 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD56d REVIEWED: 1 (1M) [PATCH v7 16/31] mm: use __GFP_ZERO in vma_alloc_anon_folio_pmd
  2026-05-12 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD56d REVIEWED: 1 (1M) [PATCH v7 21/31] mm: page_alloc: clear PG_zeroed on buddy merge if not both zero
  2026-05-12 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD56d REVIEWED: 1 (1M) [PATCH v7 22/31] mm: page_alloc: preserve PG_zeroed in page_del_and_expand
  2026-05-12 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD39d REVIEWED: 1 (1M) [PATCH v8 01/37] mm: mempolicy: fix interleave index for unaligned VMA start
  2026-05-20 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD39d REVIEWED: 1 (1M) [PATCH v8 11/37] mm: page_alloc: move prep_compound_page before post_alloc_hook
  2026-05-20 · "Michael S. Tsirkin" <mst@redhat.com> · 1 Reviewed-by
• COLD39d REVIEWED: 1 (1M) [PATCH v8 15/37] mm: alloc_anon_folio: pass raw fault address to vma_alloc_folio
  2026-05-20 · "Michael S. Tsirkin" <mst@redhat.com> · 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.

• STALE164d [PATCH v2 2/5] mm/memory_hotplug: add 'online_type' argument to add_memory_driver_managed
  2026-01-14 · Gregory Price <gourry@gourry.net>
• STALE172d [PATCH v2 07/23] mm/balloon_compaction: use a device-independent balloon (list) lock
  2026-01-15 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE172d [PATCH v2 08/23] mm/balloon_compaction: remove dependency on page lock
  2026-01-15 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE172d [PATCH v3 04/24] mm/balloon_compaction: improve comments for WARN_ON_ONCE(!b_dev_info)
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE134d [PATCH 1/3] mm/page_reporting: Allow zero page_reporting_order
  2026-02-26 · Yuvraj Sakshith <hidden>
• DORMANTno replies Re: [PATCH 3/3] virtio_balloon: Set pr_dev.order to new default
  2026-02-26 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE130d [PATCH v2 4/4] mm/page_reporting: change PAGE_REPORTING_ORDER_UNSPECIFIED to -1
  2026-03-02 · Yuvraj Sakshith <hidden>
• STALE130d [PATCH v3 5/5] mm/page_reporting: change page_reporting_order to PAGE_REPORTING_ORDER_UNSPECIFIED
  2026-03-03 · Yuvraj Sakshith <hidden>
• DORMANTno replies [PATCH v3] mm/mempolicy: track user-defined mempolicy allocations
  2026-03-17 · JP Kobryn (Meta) <hidden>
• STALE86d [PATCH RFC 5/9] mm: skip zeroing in alloc_anon_folio for pre-zeroed pages
  2026-04-12 · "Michael S. Tsirkin" <mst@redhat.com>