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)

• WARM3d [PATCH] mm/memblock: Introduce memblock_alloc_node_or_panic() helper
  2026-06-04 03:42 · 0 replies in 7d · Zhen Ni <hidden>

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  2 attestations (2 Reviewed-by) · last on 2026-05-29
• Kevin Brodsky <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-05-29
• David Hildenbrand (Arm) <david@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-05-29
• Jann Horn <jannh@google.com>
  2 attestations (2 Reviewed-by) · last on 2026-05-29
• Feng Tang <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-05-29

Recent patches

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

• WARM3d [PATCH] mm/memblock: Introduce memblock_alloc_node_or_panic() helper
  2026-06-04 · Zhen Ni <hidden>
• WARM3d REVIEWED: 31 (29M) [PATCH v7 13/15] mm: Make empty_zero_page[] const
  2026-05-29 · Ard Biesheuvel <hidden>
• COOLING6d REVIEWED: 31 (29M) [PATCH v6 14/15] mm: Make empty_zero_page[] const
  2026-05-26 · Ard Biesheuvel <hidden>
• COLD39d [RFC PATCH v1 5/9] uaccess: Switch to copy_{to/from}_user_partial() when relevant
  2026-04-27 · "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
• COLD40d IN MM [PATCH 3/3] mm: remove page_mapped()
  2026-04-27 · "David Hildenbrand (Arm)" <david@kernel.org>
• COLD52d [PATCH 33/61] mm: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• COLD38d REVIEWED: 3 (3M) [PATCH v3 4/4] mm: cache struct page for empty_zero_page and return it from ZERO_PAGE()
  2026-02-11 · Mike Rapoport <rppt@kernel.org>
• COLD38d REVIEWED: 12 (12M) [PATCH v3 3/4] arch, mm: consolidate empty_zero_page
  2026-02-11 · Mike Rapoport <rppt@kernel.org>
• COLD38d [PATCH v3 2/4] mm: rename my_zero_pfn() to zero_pfn()
  2026-02-11 · Mike Rapoport <rppt@kernel.org>
• COLD38d [PATCH v3 1/4] mm: don't special case !MMU for is_zero_pfn() and my_zero_pfn()
  2026-02-11 · Mike Rapoport <rppt@kernel.org>
• STALE104d [PATCH v2 4/4] mm: cache struct page for empty_zero_page and return it from ZERO_PAGE()
  2026-02-09 · Mike Rapoport <rppt@kernel.org>
• STALE104d REVIEWED: 5 (5M) [PATCH v2 3/4] arch, mm: consolidate empty_zero_page
  2026-02-09 · Mike Rapoport <rppt@kernel.org>
• STALE104d [PATCH v2 2/4] mm: rename my_zero_pfn() to zero_pfn()
  2026-02-09 · Mike Rapoport <rppt@kernel.org>
• STALE104d [PATCH v2 1/4] mm: don't special case !MMU for is_zero_pfn() and my_zero_pfn()
  2026-02-09 · Mike Rapoport <rppt@kernel.org>
• STALE118d [PATCH mm-unstable] arch, mm: consolidate empty_zero_page
  2026-01-24 · Mike Rapoport <rppt@kernel.org>
• STALE89d REVIEWED: 3 (3M) [PATCH v3 29/29] Revert "mm/hugetlb: deal with multiple calls to hugetlb_bootmem_alloc"
  2026-01-11 · Mike Rapoport <rppt@kernel.org>
• STALE89d REVIEWED: 3 (3M) [PATCH v3 28/29] mm/hugetlb: drop hugetlb_cma_check()
  2026-01-11 · Mike Rapoport <rppt@kernel.org>
• STALE89d [PATCH v3 27/29] mm, arch: consolidate hugetlb CMA reservation
  2026-01-11 · Mike Rapoport <rppt@kernel.org>
• STALE89d [PATCH v3 24/29] arch, mm: consolidate initialization of SPARSE memory model
  2026-01-11 · Mike Rapoport <rppt@kernel.org>
• STALE89d [PATCH v3 23/29] arch, mm: consolidate initialization of nodes, zones and memory map
  2026-01-11 · Mike Rapoport <rppt@kernel.org>
• STALE140d [PATCH] mm/pgtable: convert pgtable_t to ptdesc pointer
  2026-01-07 · alexs@kernel.org
• STALE107d REVIEWED: 3 (3M) [PATCH v2 28/28] Revert "mm/hugetlb: deal with multiple calls to hugetlb_bootmem_alloc"
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE107d REVIEWED: 3 (3M) [PATCH v2 27/28] mm/hugetlb: drop hugetlb_cma_check()
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE107d [PATCH v2 26/28] mm, arch: consolidate hugetlb CMA reservation
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE107d [PATCH v2 23/28] arch, mm: consolidate initialization of SPARSE memory model
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE107d [PATCH v2 22/28] arch, mm: consolidate initialization of nodes, zones and memory map
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE156d [PATCH 28/28] Revert "mm/hugetlb: deal with multiple calls to hugetlb_bootmem_alloc"
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE156d [PATCH 27/28] mm/hugetlb: drop hugetlb_cma_check()
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE156d [PATCH 26/28] mm, arch: consolidate hugetlb CMA reservation
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE156d [PATCH 23/28] arch, mm: consolidate initialization of SPARSE memory model
  2025-12-28 · Mike Rapoport <rppt@kernel.org>

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.

• STALE156d [PATCH 22/28] arch, mm: consolidate initialization of nodes, zones and memory map
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE156d [PATCH 23/28] arch, mm: consolidate initialization of SPARSE memory model
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE156d [PATCH 26/28] mm, arch: consolidate hugetlb CMA reservation
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE107d [PATCH v2 23/28] arch, mm: consolidate initialization of SPARSE memory model
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE107d [PATCH v2 26/28] mm, arch: consolidate hugetlb CMA reservation
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE89d [PATCH v3 27/29] mm, arch: consolidate hugetlb CMA reservation
  2026-01-11 · Mike Rapoport <rppt@kernel.org>
• COLD52d [PATCH 33/61] mm: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>