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 mm/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

Most active threads (last 7 days)

WARM2d [PATCH 0/3] mseal sysmap: Choose system mapping sealing at boot
2026-10-27 11:43 · 2 replies in 7d · Chris Down <chris@chrisdown.name>

Active reviewers (last 30 days)

Zi Yan <ziy@nvidia.com>
43 attestations (13 Acked-by, 30 Reviewed-by) · last on 2026-10-13
David Hildenbrand (Arm) <david@kernel.org>
24 attestations (24 Acked-by) · last on 2026-10-13
Suren Baghdasaryan <surenb@google.com>
18 attestations (18 Reviewed-by) · last on 2026-10-13
Gregory Price (Meta) <gourry@gourry.net>
12 attestations (12 Reviewed-by) · last on 2026-10-13
Marc Zyngier <maz@kernel.org>
3 attestations (3 Acked-by) · last on 2026-10-13
Claudio Imbrenda <imbrenda@linux.ibm.com>
3 attestations (3 Acked-by) · last on 2026-10-13
Anup Patel <anup@brainfault.org>
3 attestations (3 Acked-by) · last on 2026-10-13
Daehyeon Ko <hidden>
2 attestations (2 Reported-by) · last on 2026-10-16

Recent patches

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

WARM2d [PATCH 2/3] mseal sysmap: Allow with CHECKPOINT_RESTORE, default off
2026-10-27 · Chris Down <chris@chrisdown.name>
WARM2d [PATCH 1/3] mseal sysmap: Add mseal_system_mappings= boot parameter
2026-10-27 · Chris Down <chris@chrisdown.name>
WARM1d LANDED [PATCH v2] mm/vma: avoid spurious write locks when mm->mm_lock_seq overflows
2026-10-16 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING14d [PATCH] mm/vma: avoid spurious write locks when mm->mm_lock_seq overflows
2026-10-15 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 2 (2M) [PATCH v6 37/39] mm: eliminate VM_SPECIAL, VMA_SPECIAL_FLAGS
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 1 (1M) [PATCH v6 30/39] mm/vma: introduce vma[_flags]_is_mm_backed()
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 5 (5M) [PATCH v6 28/39] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb()
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 2 (2M) [PATCH v6 27/39] mm: remove hugetlb_inline.h
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 1 (1M) [PATCH v6 26/39] mm: remove VMA_IO_BIT check in vma[_flags]_is_mm_managed()
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 1 (1M) [PATCH v6 25/39] mm/vma: enforce that mm-managed mappings may not set VMA_IO_BIT
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 2 (2M) [PATCH v6 24/39] mm/mlock: eliminate weird VMA_IO_BIT abuse and simplify
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 2 (2M) [PATCH v6 23/39] mm/mlock: clear VMA_LOCKED_MASK over mmap callback
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 3 (3M) [PATCH v6 17/39] mm/vma: add and use vma_[flags]_is_fixed_mapping
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 2 (2M) [PATCH v6 16/39] mm/vma: only allow mmap to clear VMA_MAYWRITE_BIT if not mm-managed
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 3 (3M) [PATCH v6 15/39] mm/vma: add vma[_flags]_is_mm_managed() predicates
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 1 (1M) [PATCH v6 08/39] mm: add mmap action for discontiguous kernel page mapping
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 4 (4M) [PATCH v6 06/39] mm/vma: tidy up map kernel pages enum values
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 4 (4M) [PATCH v6 04/39] mm/vma: ensure mmap_prepare doesn't set actions on a mergeable vma
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 3 (3M) [PATCH v6 03/39] mm: consistently validate VMA state after mmap[_prepare] hooks
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 4 (4M) [PATCH v6 02/39] mm/vma: introduce and use vma_[flags_]can_merge()
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COOLING9d LANDED: 1 (1M) [PATCH v6 01/39] mm/vma: fix mmap_prepare file handling, remove file_doesnt_need_get
2026-10-13 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 2 (2M) [PATCH v5 36/38] mm: eliminate VM_SPECIAL, VMA_SPECIAL_FLAGS
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 5 (5M) [PATCH v5 27/38] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb()
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 2 (2M) [PATCH v5 26/38] mm: remove hugetlb_inline.h
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED [PATCH v5 25/38] mm: remove VMA_IO_BIT check in vma[_flags]_is_mm_managed()
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 1 (1M) [PATCH v5 24/38] mm/vma: enforce that mm-managed mappings may not set VMA_IO_BIT
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 1 (1M) [PATCH v5 23/38] mm/mlock: eliminate weird VMA_IO_BIT abuse and simplify
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 1 (1M) [PATCH v5 22/38] mm/mlock: clear VMA_LOCKED_MASK over mmap callback
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 2 (2M) [PATCH v5 16/38] mm/vma: add and use vma_[flags]_is_fixed_mapping
2026-10-09 · Lorenzo Stoakes (ARM) <ljs@kernel.org>
COLD17d SUPERSEDED: 1 (1M) [PATCH v5 15/38] mm/vma: only allow mmap to clear VMA_MAYWRITE_BIT if not mm-managed
2026-10-09 · Lorenzo Stoakes (ARM) <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.

STALE149d REVIEWED: 2 (2M) [PATCH v6 03/15] mm: rename uffd-wp PTE accessors to uffd +14 more in this series
2026-05-29 · Kiryl Shutsemau (Meta) <kas@kernel.org> · 2 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.

STALE200d [PATCH RFC 02/13] fs/proc/task_mmu: remove CONFIG_PAGE_MAPCOUNT handling for "mapmax" +12 more in this series
2026-04-12 · David Hildenbrand (Arm) <david@kernel.org>
STALE150d [PATCH v6 03/22] mm: swap: add an abstract API for locking out swapoff +21 more in this series
2026-05-05 · Nhat Pham <nphamcs@gmail.com>

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