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

Most active threads (last 7 days)

• HOTtoday [PATCH v4 00/38] mm: make VMA flag semantics explicit, eliminate VM_SPECIAL
  2026-10-03 16:45 · 16 replies in 7d · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>

Active reviewers (last 30 days)

• Zi Yan <ziy@nvidia.com>
  14 attestations (4 Acked-by, 10 Reviewed-by) · last on 2026-10-03
• David Hildenbrand (Arm) <david@kernel.org>
  9 attestations (9 Acked-by) · last on 2026-10-03
• Suren Baghdasaryan <surenb@google.com>
  4 attestations (4 Reviewed-by) · last on 2026-10-03
• Gregory Price (Meta) <gourry@gourry.net>
  4 attestations (4 Reviewed-by) · last on 2026-10-03
• Lorenzo Stoakes (ARM) <ljs@kernel.org>
  4 attestations (4 Acked-by) · last on 2026-09-18
• Marc Zyngier <maz@kernel.org>
  3 attestations (3 Acked-by) · last on 2026-10-03
• Claudio Imbrenda <imbrenda@linux.ibm.com>
  3 attestations (3 Acked-by) · last on 2026-10-03
• Anup Patel <anup@brainfault.org>
  3 attestations (3 Acked-by) · last on 2026-10-03

Recent patches

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

• HOTtoday REVIEWED: 21 (21M) [PATCH v4 36/38] mm: eliminate VM_SPECIAL, VMA_SPECIAL_FLAGS
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 32 (32M) [PATCH v4 27/38] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb()
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 21 (21M) [PATCH v4 26/38] mm: remove hugetlb_inline.h
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday [PATCH v4 25/38] mm: remove VMA_IO_BIT check in vma[_flags]_is_mm_managed()
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v4 24/38] mm/vma: enforce that mm-managed mappings may not set VMA_IO_BIT
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v4 23/38] mm/mlock: eliminate weird VMA_IO_BIT abuse and simplify
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v4 22/38] mm/mlock: clear VMA_LOCKED_MASK over mmap callback
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v4 16/38] mm/vma: add and use vma_[flags]_is_fixed_mapping
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v4 15/38] mm/vma: only allow mmap to clear VMA_MAYWRITE_BIT if not mm-managed
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v4 14/38] mm/vma: add vma[_flags]_is_mm_managed() predicates
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v4 07/38] mm: add mmap action for discontiguous kernel page mapping
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 30 (30M) [PATCH v4 06/38] mm/vma: tidy up map kernel pages enum values
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 30 (30M) [PATCH v4 04/38] mm/vma: ensure mmap_prepare doesn't set actions on a mergeable vma
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 13 (13M) [PATCH v4 03/38] mm: consistently validate VMA state after mmap[_prepare] hooks
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 30 (30M) [PATCH v4 02/38] mm/vma: introduce and use vma_[flags_]can_merge()
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday [PATCH v4 01/38] mm/vma: fix mmap_prepare file handling, remove file_doesnt_need_get
  2026-10-03 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM2d [PATCH v3 3/9] mm: use hw_pte_t for generic PTE table storage
  2026-09-22 · Muhammad Usama Anjum <hidden>
• COLD16d REVIEWED: 26 (26M) [PATCH bpf-next v9 1/5] mm: Add copy_remote_mm_str()
  2026-09-18 · Anastasios Papagiannis <hidden>
• COLD16d REVIEWED: 26 (26M) [PATCH bpf-next v8 1/5] mm: Add copy_remote_mm_str()
  2026-09-18 · Anastasios Papagiannis <hidden>
• WARM1d IN LINUX-NEXT [PATCH v3 37/40] mm: eliminate VM_SPECIAL, VMA_SPECIAL_FLAGS
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT: 11 (11M) [PATCH v3 28/40] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb()
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 27/40] mm: remove hugetlb_inline.h
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 26/40] mm: remove VMA_IO_BIT check in vma[_flags]_is_kernel_owned()
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 25/40] mm/vma: enforce that only kernel-owned mappings may set VMA_IO_BIT
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 24/40] mm/mlock: eliminate weird VMA_IO_BIT abuse and simplify
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 23/40] mm/mlock: clear VMA_LOCKED_MASK over mmap callback
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 17/40] mm/vma: add and use vma_[flags]_is_fixed_mapping
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 16/40] mm/vma: only allow mmap to clear VMA_MAYWRITE_BIT if kernel-owned
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 15/40] mm/vma: add vma[_flags]_is_kernel_owned() predicates
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 08/40] mm: add mmap action for discontiguous kernel page mapping
  2026-09-17 · "Lorenzo Stoakes (ARM)" <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.

• STALE65d [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage
  2026-07-27 · Muhammad Usama Anjum <hidden>
• COLD19d [RFC PATCH 33/57] mm/collapse: split collapse into a scan and a run
  2026-08-16 · Kiryl Shutsemau <hidden>
• COLD33d [PATCH bpf-next v3 1/7] mm: Add copy_remote_mm_str()
  2026-08-31 · Anastasios Papagiannis <hidden>