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 [PATCH v6 0/6] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory
  2026-07-09 07:39 · 4 replies in 7d · Wen Jiang <hidden>
• HOTtoday [PATCH 00/18] Another attempt at HVO support on arm64
  2026-07-08 03:12 · 9 replies in 7d · James Houghton <hidden>
• HOTtoday [PATCH v7 00/22] dma-mapping: Track shared DMA state through direct, pool and swiotlb paths
  2026-07-08 15:09 · 1 reply in 7d · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• WARM3d [PATCH v5 0/6] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory
  2026-07-06 08:44 · 4 replies in 7d · Wen Jiang <hidden>
• WARM2d [RFC PATCH v3 0/3] make persistent huge zero folio read-only
  2026-07-06 13:06 · 1 reply in 7d · Xueyuan Chen <hidden>
• WARM3d IN LINUX-NEXT [PATCH v3 0/6] Fix incorrect access of hugetlb pte entries
  2026-07-03 11:43 · 5 replies in 7d · Dev Jain <dev.jain@arm.com>
• COOLING6d REVIEWED: 4 (4M) [PATCH v2] arm64: tlbflush: Don't broadcast if mm was only active on local cpu
  2026-07-02 23:25 · 1 reply in 7d · Linu Cherian <hidden>

Active reviewers (last 30 days)

• Xueyuan Chen <hidden>
  12 attestations (12 Tested-by) · last on 2026-07-09
• Muchun Song <muchun.song@linux.dev>
  6 attestations (4 Acked-by, 2 Reviewed-by) · last on 2026-07-03
• Dev Jain <dev.jain@arm.com>
  5 attestations (3 Co-developed-by, 2 Reviewed-by) · last on 2026-07-09
• David Hildenbrand <david@kernel.org>
  5 attestations (2 Acked-by, 2 Reported-by, 1 Suggested-by) · last on 2026-07-06
• Leo Yan <leo.yan@arm.com>
  4 attestations (4 Tested-by) · last on 2026-07-09
• Uladzislau Rezki (Sony) <urezki@gmail.com>
  2 attestations (2 Reviewed-by) · last on 2026-07-09
• Lance Yang <lance.yang@linux.dev>
  1 attestation (1 Co-developed-by) · last on 2026-07-06
• Jonathan Cameron <Jonathan.Cameron@huawei.com>
  1 attestation (1 Reviewed-by) · last on 2026-06-18
• Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
  1 attestation (1 Reviewed-by) · last on 2026-06-18
• Shuai Xue <xueshuai@linux.alibaba.com>
  1 attestation (1 Reviewed-by) · last on 2026-06-18

Recent patches

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

• DORMANTno replies REVIEWED: 5 (4M) [PATCH v6 6/6] mm/vmalloc: align vm_area so vmap() can batch mappings
  2026-07-09 · Wen Jiang <hidden>
• HOTtoday REVIEWED: 2 (1M) [PATCH v6 5/6] mm/vmalloc: map contiguous pages in batches for vmap() if possible
  2026-07-09 · Wen Jiang <hidden>
• HOTtoday REVIEWED: 3 (2M) [PATCH v6 4/6] mm/vmalloc: Extend page table walk to support larger page_shift sizes and eliminate page table rewalk
  2026-07-09 · Wen Jiang <hidden>
• HOTtoday REVIEWED: 6 (5M) [PATCH v6 3/6] mm/vmalloc: Extract vmap_set_ptes() to consolidate PTE mapping logic
  2026-07-09 · Wen Jiang <hidden>
• HOTtoday 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>
• HOTtoday [PATCH 11/18] hugetlb_vmemmap: Use try_populate_vmemmap_pmd for replacing in-use PMDs
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 15/18] hugetlb_vmemmap: Add a way to permanently disable HVO when needed
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 14/18] hugetlb_vmemmap: Rename mm/hugetlb_vmemmap.h to mm/hugetlb_vmemmap_internal.h
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 10/18] arm64: Support hugetlb vmemmap optimization
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 04/18] hugetlb_vmemmap: Use try_update_vmemmap_pte to update in-use PTEs
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 05/18] hugetlb_vmemmap: Allow architectures not to allow HVO at runtime
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 02/18] hugetlb_vmemmap: Move vmemmap_get_tail up
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 03/18] hugetlb_vmemmap: Leave pages partially HVOed upon restore failure
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 01/18] hugetlb_vmemmap: Always flush TLB if needed upon PTE remapping
  2026-07-08 · James Houghton <hidden>
• WARM2d [RFC PATCH v3 1/3] mm: make persistent huge zero folio read-only
  2026-07-06 · Xueyuan Chen <hidden>
• WARM3d REVIEWED: 1 (0M) [PATCH v5 6/6] mm/vmalloc: align vm_area so vmap() can batch mappings
  2026-07-06 · Wen Jiang <hidden>
• WARM3d REVIEWED: 1 (0M) [PATCH v5 4/6] mm/vmalloc: Extend page table walk to support larger page_shift sizes and eliminate page table rewalk
  2026-07-06 · Wen Jiang <hidden>
• WARM3d REVIEWED: 1 (0M) [PATCH v5 3/6] mm/vmalloc: Extract vmap_set_ptes() to consolidate PTE mapping logic
  2026-07-06 · Wen Jiang <hidden>
• WARM3d REVIEWED: 1 (0M) [PATCH v5 5/6] mm/vmalloc: map contiguous pages in batches for vmap() if possible
  2026-07-06 · Wen Jiang <hidden>
• WARM3d IN LINUX-NEXT: 3 (3M) [PATCH v3 6/6] mm/mprotect: use huge_ptep_get() for hugetlb
  2026-07-03 · Dev Jain <dev.jain@arm.com>
• WARM3d IN LINUX-NEXT: 18 (18M) [PATCH v3 5/6] mm/page_vma_mapped: use huge_ptep_get() for hugetlb
  2026-07-03 · Dev Jain <dev.jain@arm.com>
• WARM3d IN LINUX-NEXT: 18 (18M) [PATCH v3 4/6] mm/migrate: use huge_ptep_get() in remove_migration_pte()
  2026-07-03 · Dev Jain <dev.jain@arm.com>
• WARM3d IN LINUX-NEXT: 3 (3M) [PATCH v3 3/6] mm/rmap: use huge_ptep_get() in try_to_migrate_one()
  2026-07-03 · Dev Jain <dev.jain@arm.com>
• WARM3d IN LINUX-NEXT [PATCH v3 2/6] mm/rmap: use huge_ptep_get() in try_to_unmap_one()
  2026-07-03 · Dev Jain <dev.jain@arm.com>
• DORMANTno replies [PATCH] arm64: tlbflush: add debug counters for local vs broadcast flushes
  2026-07-02 · Sayali Kulkarni <hidden>
• COOLING6d [PATCH v2 6/6] mm/mprotect: use huge_ptep_get() for hugetlb
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• COOLING6d [PATCH v2 5/6] mm/page_vma_mapped: use huge_ptep_get() for hugetlb
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• COOLING6d REVIEWED: 3 (3M) [PATCH v2 4/6] mm/migrate: use huge_ptep_get() in remove_migration_pte()
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• COOLING6d REVIEWED: 3 (3M) [PATCH v2 3/6] mm/rmap: use huge_ptep_get() in try_to_migrate_one()
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• COOLING6d [PATCH v2 2/6] mm/rmap: use huge_ptep_get() in try_to_unmap_one()
  2026-07-02 · Dev Jain <dev.jain@arm.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.

• STALE87d REVIEWED: 7 (7M) [PATCH v4 21/21] mm: on remap assert that input range within the proposed VMA
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org> · 1 Reviewed-by
• STALE70d REVIEWED: 10 (10M) [PATCH v2 6/6] mm: change to return bool for the MMU notifier's young flag check
  2026-03-21 · Baolin Wang <baolin.wang@linux.alibaba.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.

• STALE178d [RESEND RFC PATCH 2/2] arm64/mm: Enable huge-vmalloc by default
  2025-12-12 · Dev Jain <dev.jain@arm.com>
• STALE197d [PATCH 1/2] mm: introduce pagetable_alloc_nolock()
  2025-12-12 · Yeoreum Yun <hidden>
• STALE182d [PATCH 4/4] mm: remove ARCH_NEEDS_KMAP_HIGH_GET
  2025-12-19 · Arnd Bergmann <arnd@kernel.org>
• STALE189d [PATCH 04/33] mm: vmstat: Prepare to protect against concurrent isolated cpuset change
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE189d [PATCH 16/33] sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE136d [PATCH 03/33] memcg: Prepare to protect against concurrent isolated cpuset change
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE136d [PATCH 16/33] sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE174d Re: [PATCH 1/1] Restore swap_space attr aviod krn panic
  2026-01-15 · Kairui Song <hidden>
• DORMANTno replies [PATCH v2 1/1] mm, swap: Restore swap_space attr aviod krn panic
  2026-01-16 · <hidden>
• STALE161d [PATCH 16/33] sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>