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 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>
• WARM2d [PATCH v2 0/6] Fix incorrect access of hugetlb pte entries
  2026-07-02 05:15 · 5 replies in 7d · Dev Jain <dev.jain@arm.com>
• WARM2d 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)

• Muchun Song <muchun.song@linux.dev>
  6 attestations (4 Acked-by, 2 Reviewed-by) · last on 2026-07-03
• David Hildenbrand (Arm) <david@kernel.org>
  5 attestations (2 Acked-by, 2 Reported-by, 1 Suggested-by) · last on 2026-07-03
• Xueyuan Chen <hidden>
  4 attestations (4 Tested-by) · last on 2026-06-18
• 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
• Dev Jain <dev.jain@arm.com>
  1 attestation (1 Co-developed-by) · last on 2026-06-18
• Dave Hansen <hidden>
  1 attestation (1 Suggested-by) · last on 2026-06-09
• Lance Yang <lance.yang@linux.dev>
  1 attestation (1 Co-developed-by) · last on 2026-06-09

Recent patches

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

• HOTtoday REVIEWED: 3 (3M) [PATCH v3 6/6] mm/mprotect: use huge_ptep_get() for hugetlb
  2026-07-03 · Dev Jain <dev.jain@arm.com>
• HOTtoday REVIEWED: 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>
• HOTtoday REVIEWED: 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>
• HOTtoday REVIEWED: 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>
• HOTtoday [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>
• WARM2d [PATCH v2 6/6] mm/mprotect: use huge_ptep_get() for hugetlb
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• WARM2d [PATCH v2 5/6] mm/page_vma_mapped: use huge_ptep_get() for hugetlb
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• WARM2d 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>
• WARM2d 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>
• WARM2d [PATCH v2 2/6] mm/rmap: use huge_ptep_get() in try_to_unmap_one()
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• WARM3d [PATCH v15 7/9] arm64: introduce copy_mc_to_kernel() implementation
  2026-06-18 · Ruidong Tian <hidden>
• WARM3d REVIEWED: 6 (6M) [PATCH v15 5/9] mm/hwpoison: return -EFAULT when copy fail in copy_mc_[user]_highpage()
  2026-06-18 · Ruidong Tian <hidden>
• WARM3d IN LINUX-NEXT: 1 (0M) [PATCH v4 6/6] mm/vmalloc: align vm_area so vmap() can batch mappings
  2026-06-18 · Wen Jiang <hidden>
• WARM3d IN LINUX-NEXT: 1 (0M) [PATCH v4 5/6] mm/vmalloc: map contiguous pages in batches for vmap() if possible
  2026-06-18 · Wen Jiang <hidden>
• WARM3d IN LINUX-NEXT: 1 (0M) [PATCH v4 4/6] mm/vmalloc: Extend page table walk to support larger page_shift sizes and eliminate page table rewalk
  2026-06-18 · Wen Jiang <hidden>
• WARM3d IN LINUX-NEXT: 1 (0M) [PATCH v4 3/6] mm/vmalloc: Extract vmap_set_ptes() to consolidate PTE mapping logic
  2026-06-18 · Wen Jiang <hidden>
• COOLING11d [RFC PATCH 2/2] kasan: hw_tags: Add boot option to elide free time poisoning
  2026-06-12 · Dev Jain <dev.jain@arm.com>
• COOLING11d [RFC PATCH 1/2] kasan: hw_tags: Use KASAN_PAGE_REDZONE for vmalloc redzoning
  2026-06-12 · Dev Jain <dev.jain@arm.com>
• COOLING11d [RFC PATCH v2 1/3] mm/huge_memory: make persistent huge zero folio read-only
  2026-06-09 · Xueyuan Chen <hidden>
• COLD19d [PATCH v2 2/5] kasan: Move generic KASAN page tables out of BSS too
  2026-06-04 · Ard Biesheuvel <hidden>
• COLD31d [PATCH 1/4] arm64: Move generic KASAN page tables out of BSS too
  2026-06-03 · Ard Biesheuvel <hidden>
• COLD30d IN MM [PATCH v7 2/2] mm: use mapping_max_folio_order() for force_thp_readahead order
  2026-06-01 · Usama Arif <hidden>
• COLD30d IN MM: 10 (10M) [PATCH v7 1/2] mm: bypass mmap_miss heuristic for VM_EXEC readahead
  2026-06-01 · Usama Arif <hidden>
• COOLING9d IN MM [PATCH v3 1/5] mm/sparse-vmemmap: provide generic vmemmap_set_pmd() and vmemmap_check_pmd()
  2026-06-01 · Muchun Song <hidden>
• COLD26d REVIEWED: 31 (29M) [PATCH v7 13/15] mm: Make empty_zero_page[] const
  2026-05-29 · Ard Biesheuvel <hidden>
• COLD32d Re: [PATCH v6 2/2] mm: use mapping_max_folio_order() for force_thp_readahead order
  2026-05-29 · Usama Arif <hidden>
• COLD31d [RFC PATCH 12/20] mm/hugetlb: make bootmem allocation work with KHO
  2026-05-28 · Jork Loeser <hidden>
• COLD31d [RFC PATCH 10/20] kho: extended scratch
  2026-05-28 · Jork Loeser <hidden>
• COLD31d [RFC PATCH 09/20] memblock: introduce MEMBLOCK_KHO_SCRATCH_EXT
  2026-05-28 · Jork Loeser <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.

• STALE83d 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
• STALE66d 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.

• STALE174d [RESEND RFC PATCH 2/2] arm64/mm: Enable huge-vmalloc by default
  2025-12-12 · Dev Jain <dev.jain@arm.com>
• STALE193d [PATCH 1/2] mm: introduce pagetable_alloc_nolock()
  2025-12-12 · Yeoreum Yun <hidden>
• STALE178d [PATCH 4/4] mm: remove ARCH_NEEDS_KMAP_HIGH_GET
  2025-12-19 · Arnd Bergmann <arnd@kernel.org>
• STALE185d [PATCH 04/33] mm: vmstat: Prepare to protect against concurrent isolated cpuset change
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE185d [PATCH 16/33] sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE132d [PATCH 03/33] memcg: Prepare to protect against concurrent isolated cpuset change
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE132d [PATCH 16/33] sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE170d 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>
• STALE157d [PATCH 16/33] sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>