memory mapping · Maintained

Maintainers

• M Andrew Morton <akpm@linux-foundation.org>
• M Liam R. Howlett <liam@infradead.org>
• M Lorenzo Stoakes <ljs@kernel.org>
• R Vlastimil Babka <vbabka@kernel.org>
• R Jann Horn <jannh@google.com>
• R Pedro Falcato <pfalcato@suse.de>

Paths

• F drivers/char/mem.c
• F include/trace/events/mmap.h
• F fs/proc/task_mmu.c
• F fs/proc/task_nommu.c
• F mm/mincore.c
• F mm/mlock.c
• F mm/mmap.c
• F mm/mprotect.c
• F mm/mremap.c
• F mm/mseal.c
• F mm/msync.c
• F mm/nommu.c
• F mm/vma.c
• F mm/vma.h
• F mm/vma_exec.c
• F mm/vma_init.c
• F mm/vma_internal.h
• F tools/testing/selftests/mm/merge.c
• F tools/testing/vma/

Last 30 days

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-09-07

Recent patches

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

• HOTtoday REVIEWED: 11 (11M) [PATCH V2 01/14] mm: Add read-write accessors for vm_page_prot
  2026-09-07 · Anshuman Khandual <hidden>
• HOTtoday REVIEWED: 11 (11M) [PATCH 01/17] mm: Add read-write accessors for vm_page_prot
  2026-07-29 · Anshuman Khandual <hidden>
• COLD41d [PATCH v2 05/15] mm: extend pte batch and leaf-size helpers
  2026-07-16 · Yunhui Cui <cuiyunhui@bytedance.com>
• COLD56d IN MM: 3 (3M) [PATCH v3 6/6] mm/mprotect: use huge_ptep_get() for hugetlb
  2026-07-03 · Dev Jain <dev.jain@arm.com>
• STALE76d [PATCH v2 6/6] mm/mprotect: use huge_ptep_get() for hugetlb
  2026-07-02 · Dev Jain <dev.jain@arm.com>
• STALE85d Re: [PATCH v2 0/5] mm: reduce mmap_lock contention and improve page fault performance
  2026-05-17 · Barry Song <baohua@kernel.org>
• STALE107d [RFC V2 02/14] mm: Add read-write accessors for vm_page_prot
  2026-05-13 · Anshuman Khandual <hidden>
• STALE149d [PATCH 3/3] mm: split the file's i_mmap tree for NUMA
  2026-04-13 · Huang Shijie <hidden>
• STALE149d [PATCH 2/3] mm: use get_i_mmap_root to access the file's i_mmap
  2026-04-13 · Huang Shijie <hidden>
• STALE157d REVIEWED: 7 (7M) [PATCH v4 20/21] mm: add mmap_action_map_kernel_pages[_full]()
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d [PATCH v4 17/21] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d REVIEWED: 7 (7M) [PATCH v4 11/21] mm: add mmap_action_simple_ioremap()
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d [PATCH v4 08/21] mm: add vm_ops->mapped hook
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d [PATCH v4 07/21] mm: have mmap_action_complete() handle the rmap lock and unmap
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d [PATCH v4 06/21] mm/vma: remove superfluous map->hold_file_rmap_lock
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d [PATCH v4 05/21] mm: switch the rmap lock held option off in compat layer
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d [PATCH v4 04/21] mm: avoid deadlock when holding rmap on mmap_prepare error
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d REVIEWED: 9 (9M) [PATCH v4 03/21] mm: document vm_operations_struct->open the same as close()
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE157d [PATCH v4 01/21] mm: various small mmap_prepare cleanups
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE180d REVIEWED: 7 (7M) [PATCH v3 15/16] mm: add mmap_action_map_kernel_pages[_full]()
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE180d [PATCH v3 12/16] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE180d REVIEWED: 7 (7M) [PATCH v3 06/16] mm: add mmap_action_simple_ioremap()
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE180d [PATCH v3 04/16] mm: add vm_ops->mapped hook
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE180d [PATCH v3 03/16] mm: document vm_operations_struct->open the same as close()
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE180d [PATCH v3 01/16] mm: various small mmap_prepare cleanups
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 15/16] mm: add mmap_action_map_kernel_pages[_full]()
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 12/16] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 06/16] mm: add mmap_action_simple_ioremap()
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 04/16] mm: add vm_ops->mapped hook
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 03/16] mm: document vm_operations_struct->open the same as close()
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@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.

• STALE184d [PATCH 06/15] mm: add mmap_action_simple_ioremap()
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE184d [PATCH 12/15] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 01/16] mm: various small mmap_prepare cleanups
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 03/16] mm: document vm_operations_struct->open the same as close()
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE181d [PATCH v2 04/16] mm: add vm_ops->mapped hook
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE180d [PATCH v3 12/16] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>