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 include/trace/events/mmap.h
• F fs/proc/task_mmu.c
• F fs/proc/task_nommu.c
• F mm/interval_tree.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

Most active threads (last 7 days)

• HOTtoday [PATCH v10 00/15] userfaultfd: working set tracking for VM guest memory
  2026-07-08 11:14 · 5 replies in 7d · Kiryl Shutsemau <hidden>
• WARM2d [PATCH v9 00/15] userfaultfd: working set tracking for VM guest memory
  2026-07-06 08:48 · 5 replies in 7d · Kiryl Shutsemau <hidden>
• COOLING5d [PATCH v8 00/15] userfaultfd: working set tracking for VM guest memory
  2026-07-03 13:36 · 5 replies in 7d · Kiryl Shutsemau <hidden>
• WARM1d [PATCH] mm/mseal: fix mseal documentation for 32-bit kernels
  2026-07-03 02:26 · 0 replies in 7d · Leon Hwang <hidden>

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  20 attestations (8 Acked-by, 12 Reviewed-by) · last on 2026-07-08
• SeongJae Park <sj@kernel.org>
  12 attestations (12 Reviewed-by) · last on 2026-07-08
• Lorenzo Stoakes <ljs@kernel.org>
  4 attestations (4 Reviewed-by) · last on 2026-07-08

Recent patches

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

• HOTtoday REVIEWED: 11 (11M) [PATCH v10 11/15] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking
  2026-07-08 · Kiryl Shutsemau <hidden>
• HOTtoday REVIEWED: 11 (11M) [PATCH v10 07/15] mm: preserve RWP marker across PTE rewrites
  2026-07-08 · Kiryl Shutsemau <hidden>
• HOTtoday REVIEWED: 12 (12M) [PATCH v10 06/15] mm: add MM_CP_UFFD_RWP change_protection() flag
  2026-07-08 · Kiryl Shutsemau <hidden>
• HOTtoday REVIEWED: 22 (22M) [PATCH v10 05/15] mm: add VM_UFFD_RWP VMA flag
  2026-07-08 · Kiryl Shutsemau <hidden>
• HOTtoday REVIEWED: 12 (12M) [PATCH v10 03/15] mm: rename uffd-wp PTE accessors to uffd
  2026-07-08 · Kiryl Shutsemau <hidden>
• WARM2d REVIEWED: 11 (11M) [PATCH v9 11/15] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking
  2026-07-06 · Kiryl Shutsemau <hidden>
• WARM2d REVIEWED: 11 (11M) [PATCH v9 07/15] mm: preserve RWP marker across PTE rewrites
  2026-07-06 · Kiryl Shutsemau <hidden>
• WARM2d REVIEWED: 12 (12M) [PATCH v9 06/15] mm: add MM_CP_UFFD_RWP change_protection() flag
  2026-07-06 · Kiryl Shutsemau <hidden>
• WARM2d REVIEWED: 22 (22M) [PATCH v9 05/15] mm: add VM_UFFD_RWP VMA flag
  2026-07-06 · Kiryl Shutsemau <hidden>
• WARM2d REVIEWED: 12 (12M) [PATCH v9 03/15] mm: rename uffd-wp PTE accessors to uffd
  2026-07-06 · Kiryl Shutsemau <hidden>
• COOLING5d REVIEWED: 11 (11M) [PATCH v8 11/15] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking
  2026-07-03 · Kiryl Shutsemau <hidden>
• COOLING5d REVIEWED: 11 (11M) [PATCH v8 07/15] mm: preserve RWP marker across PTE rewrites
  2026-07-03 · Kiryl Shutsemau <hidden>
• COOLING5d REVIEWED: 12 (12M) [PATCH v8 06/15] mm: add MM_CP_UFFD_RWP change_protection() flag
  2026-07-03 · Kiryl Shutsemau <hidden>
• COOLING5d REVIEWED: 22 (22M) [PATCH v8 05/15] mm: add VM_UFFD_RWP VMA flag
  2026-07-03 · Kiryl Shutsemau <hidden>
• COOLING5d REVIEWED: 12 (12M) [PATCH v8 03/15] mm: rename uffd-wp PTE accessors to uffd
  2026-07-03 · Kiryl Shutsemau <hidden>
• WARM1d [PATCH] mm/mseal: fix mseal documentation for 32-bit kernels
  2026-07-03 · Leon Hwang <hidden>
• COOLING9d REVIEWED: 11 (11M) [PATCH v7 11/15] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking
  2026-06-29 · Kiryl Shutsemau <hidden>
• COOLING9d REVIEWED: 11 (11M) [PATCH v7 07/15] mm: preserve RWP marker across PTE rewrites
  2026-06-29 · Kiryl Shutsemau <hidden>
• COOLING9d REVIEWED: 12 (12M) [PATCH v7 06/15] mm: add MM_CP_UFFD_RWP change_protection() flag
  2026-06-29 · Kiryl Shutsemau <hidden>
• COOLING9d REVIEWED: 22 (22M) [PATCH v7 05/15] mm: add VM_UFFD_RWP VMA flag
  2026-06-29 · Kiryl Shutsemau <hidden>
• COOLING9d REVIEWED: 12 (12M) [PATCH v7 03/15] mm: rename uffd-wp PTE accessors to uffd
  2026-06-29 · Kiryl Shutsemau <hidden>
• COLD26d [PATCH v2 2/4] mm: use get_i_mmap_root to access the file's i_mmap
  2026-06-11 · Huang Shijie <hidden>
• COLD26d [PATCH v2 3/4] mm/fs: split the file's i_mmap tree
  2026-06-11 · Huang Shijie <hidden>
• COLD35d REVIEWED: 11 (11M) [PATCH v6 11/15] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking
  2026-05-29 · "Kiryl Shutsemau (Meta)" <kas@kernel.org>
• COLD35d REVIEWED: 11 (11M) [PATCH v6 07/15] mm: preserve RWP marker across PTE rewrites
  2026-05-29 · "Kiryl Shutsemau (Meta)" <kas@kernel.org>
• COLD35d REVIEWED: 12 (12M) [PATCH v6 06/15] mm: add MM_CP_UFFD_RWP change_protection() flag
  2026-05-29 · "Kiryl Shutsemau (Meta)" <kas@kernel.org>
• COLD35d REVIEWED: 12 (12M) [PATCH v6 05/15] mm: add VM_UFFD_RWP VMA flag
  2026-05-29 · "Kiryl Shutsemau (Meta)" <kas@kernel.org>
• COLD35d REVIEWED: 12 (12M) [PATCH v6 03/15] mm: rename uffd-wp PTE accessors to uffd
  2026-05-29 · "Kiryl Shutsemau (Meta)" <kas@kernel.org>
• COLD37d REVIEWED: 11 (11M) [PATCH v5 14/18] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking
  2026-05-26 · Kiryl Shutsemau <hidden>
• COLD37d REVIEWED: 11 (11M) [PATCH v5 10/18] mm: preserve RWP marker across PTE rewrites
  2026-05-26 · Kiryl Shutsemau <hidden>

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.

• STALE113d [PATCH 06/15] mm: add mmap_action_simple_ioremap()
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE113d [PATCH 12/15] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE111d [PATCH v2 01/16] mm: various small mmap_prepare cleanups
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE111d [PATCH v2 03/16] mm: document vm_operations_struct->open the same as close()
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE111d [PATCH v2 04/16] mm: add vm_ops->mapped hook
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE110d [PATCH v4 03/21] mm: swap: add an abstract API for locking out swapoff
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE109d [PATCH v3 12/16] mm: allow handling of stacked mmap_prepare hooks in more drivers
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE68d [PATCH v5 03/21] mm: swap: add an abstract API for locking out swapoff
  2026-03-20 · Nhat Pham <nphamcs@gmail.com>
• STALE86d [PATCH RFC 02/13] fs/proc/task_mmu: remove CONFIG_PAGE_MAPCOUNT handling for "mapmax"
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE86d [PATCH RFC 04/13] fs/proc/task_mmu: remove CONFIG_PAGE_MAPCOUNT handling for PM_MMAP_EXCLUSIVE
  2026-04-12 · "David Hildenbrand (Arm)" <david@kernel.org>