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 IN LINUX-NEXT [PATCH v8 0/8] mm/hmm: Add mmap lock-drop support for userfaultfd-backed mappings
  2026-07-10 21:26 · 2 replies in 7d · Stanislav Kinsburskii <hidden>

Active reviewers (last 30 days)

• Jason Gunthorpe <jgg@nvidia.com>
  1 attestation (1 Reviewed-by) · last on 2026-07-10

Recent patches

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

• HOTtoday IN LINUX-NEXT [PATCH v8 2/8] mm/hmm: add hmm_range_fault_unlocked_timeout() for mmap lock-drop support
  2026-07-10 · Stanislav Kinsburskii <hidden>
• HOTtoday IN LINUX-NEXT: 6 (6M) [PATCH v8 1/8] mm/hmm: move page fault handling out of walk callbacks
  2026-07-10 · Stanislav Kinsburskii <hidden>
• COOLING4d [PATCH v7 2/8] mm/hmm: add hmm_range_fault_unlocked_timeout() for mmap lock-drop support
  2026-07-07 · Stanislav Kinsburskii <hidden>
• COOLING4d [PATCH v7 1/8] mm/hmm: move page fault handling out of walk callbacks
  2026-07-07 · Stanislav Kinsburskii <hidden>
• COOLING8d [PATCH v6 2/4] mm/hmm: add hmm_range_fault_unlocked() for mmap lock-drop support
  2026-07-06 · Stanislav Kinsburskii <hidden>
• COOLING8d [PATCH v6 1/4] mm/hmm: move page fault handling out of walk callbacks
  2026-07-06 · Stanislav Kinsburskii <hidden>
• COLD40d [RFC PATCH 12/20] mm/hugetlb: make bootmem allocation work with KHO
  2026-05-28 · Jork Loeser <hidden>
• COLD40d [RFC PATCH 10/20] kho: extended scratch
  2026-05-28 · Jork Loeser <hidden>
• COLD40d [RFC PATCH 09/20] memblock: introduce MEMBLOCK_KHO_SCRATCH_EXT
  2026-05-28 · Jork Loeser <hidden>
• STALE63d Re: [PATCH 1/3] mm/hmm: Add hmm_range_fault_unlockable() for mmap lock-drop support
  2026-05-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE63d [PATCH 1/3] mm/hmm: Add hmm_range_fault_unlockable() for mmap lock-drop support
  2026-05-01 · Stanislav Kinsburskii <hidden>
• STALE93d 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>
• STALE93d REVIEWED: 7 (7M) [PATCH v4 20/21] mm: add mmap_action_map_kernel_pages[_full]()
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d [PATCH v4 17/21] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d REVIEWED: 7 (7M) [PATCH v4 11/21] mm: add mmap_action_simple_ioremap()
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d [PATCH v4 08/21] mm: add vm_ops->mapped hook
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d [PATCH v4 07/21] mm: have mmap_action_complete() handle the rmap lock and unmap
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d [PATCH v4 06/21] mm/vma: remove superfluous map->hold_file_rmap_lock
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d [PATCH v4 05/21] mm: switch the rmap lock held option off in compat layer
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d [PATCH v4 04/21] mm: avoid deadlock when holding rmap on mmap_prepare error
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE93d [PATCH v4 01/21] mm: various small mmap_prepare cleanups
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d Re: [PATCH v3 15/16] mm: add mmap_action_map_kernel_pages[_full]()
  2026-03-20 · Nathan Chancellor <nathan@kernel.org>
• STALE116d REVIEWED: 7 (7M) [PATCH v3 16/16] mm: on remap assert that input range within the proposed VMA
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d REVIEWED: 7 (7M) [PATCH v3 15/16] mm: add mmap_action_map_kernel_pages[_full]()
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d [PATCH v3 12/16] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d REVIEWED: 7 (7M) [PATCH v3 06/16] mm: add mmap_action_simple_ioremap()
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d [PATCH v3 04/16] mm: add vm_ops->mapped hook
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d [PATCH v3 01/16] mm: various small mmap_prepare cleanups
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE117d [PATCH v2 16/16] mm: on remap assert that input range within the proposed VMA
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE117d [PATCH v2 15/16] mm: add mmap_action_map_kernel_pages[_full]()
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>

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.

• STALE93d 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

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.

• STALE138d [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>
• STALE134d [PATCH v2 4/4] mm/page_reporting: change PAGE_REPORTING_ORDER_UNSPECIFIED to -1
  2026-03-02 · Yuvraj Sakshith <hidden>
• STALE134d [PATCH v3 5/5] mm/page_reporting: change page_reporting_order to PAGE_REPORTING_ORDER_UNSPECIFIED
  2026-03-03 · Yuvraj Sakshith <hidden>
• STALE89d [PATCH 33/61] mm: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE120d [PATCH 06/15] mm: add mmap_action_simple_ioremap()
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE120d [PATCH 12/15] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE117d [PATCH v2 01/16] mm: various small mmap_prepare cleanups
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE117d [PATCH v2 04/16] mm: add vm_ops->mapped hook
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d [PATCH v3 12/16] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>