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 [PATCH] mm/vmalloc: widen guard region to defeat ENTER-based stack pivot
  2026-06-26 17:35 · 0 replies in 7d · Xiang Mei <hidden>

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  2 attestations (2 Reviewed-by) · last on 2026-06-03
• Kevin Brodsky <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-05-29
• David Hildenbrand (Arm) <david@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-05-29
• Jann Horn <jannh@google.com>
  1 attestation (1 Reviewed-by) · last on 2026-05-29
• Feng Tang <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-05-29

Recent patches

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

• HOTtoday [PATCH] mm/vmalloc: widen guard region to defeat ENTER-based stack pivot
  2026-06-26 · Xiang Mei <hidden>
• COLD15d [PATCH v4 8/8] mm: use memcpy_streaming() in zone-device template copies
  2026-06-03 · Li Zhe <hidden>
• COLD15d [PATCH v4 5/8] mm: extend the template fast path to zone-device compound tails
  2026-06-03 · Li Zhe <hidden>
• COLD15d [PATCH v4 4/8] mm: add a template-based fast path for zone-device page init
  2026-06-03 · Li Zhe <hidden>
• COLD15d REVIEWED: 11 (11M) [PATCH v4 2/8] mm: factor zone-device page init helpers out of __init_zone_device_page
  2026-06-03 · Li Zhe <hidden>
• COLD15d [PATCH v4 1/8] mm: fix stale ZONE_DEVICE refcount comment
  2026-06-03 · Li Zhe <hidden>
• COLD17d REVIEWED: 31 (29M) [PATCH v7 13/15] mm: Make empty_zero_page[] const
  2026-05-29 · Ard Biesheuvel <hidden>
• COLD29d [PATCH v3 8/8] mm: use memcpy_streaming() in zone-device template copies
  2026-05-27 · Li Zhe <hidden>
• COLD29d REVIEWED: 11 (11M) [PATCH v3 5/8] mm: extend the template fast path to zone-device compound tails
  2026-05-27 · Li Zhe <hidden>
• COLD29d [PATCH v3 4/8] mm: add a template-based fast path for zone-device page init
  2026-05-27 · Li Zhe <hidden>
• COLD29d REVIEWED: 11 (11M) [PATCH v3 2/8] mm: factor zone-device page init helpers out of __init_zone_device_page
  2026-05-27 · Li Zhe <hidden>
• COLD29d [PATCH v3 1/8] mm: fix stale ZONE_DEVICE refcount comment
  2026-05-27 · Li Zhe <hidden>
• COLD25d REVIEWED: 31 (29M) [PATCH v6 14/15] mm: Make empty_zero_page[] const
  2026-05-26 · Ard Biesheuvel <hidden>
• COOLING4d [PATCH RFC v8 24/24] mm: Add basic tests for kpkeys_hardened_pgtables
  2026-05-26 · Kevin Brodsky <hidden>
• COOLING4d [PATCH RFC v8 15/24] mm: kpkeys: Introduce hook for protecting static page tables
  2026-05-26 · Kevin Brodsky <hidden>
• COOLING4d [PATCH RFC v8 14/24] mm: kpkeys: Protect vmemmap page tables
  2026-05-26 · Kevin Brodsky <hidden>
• COOLING4d [PATCH RFC v8 13/24] mm: kpkeys: Introduce early page table allocator
  2026-05-26 · Kevin Brodsky <hidden>
• COOLING4d [PATCH RFC v8 12/24] mm: kpkeys: Protect regular page tables
  2026-05-26 · Kevin Brodsky <hidden>
• COOLING4d [PATCH RFC v8 11/24] mm: kpkeys: Introduce kpkeys_hardened_pgtables feature
  2026-05-26 · Kevin Brodsky <hidden>
• COOLING4d [PATCH RFC v8 10/24] memblock: Move INIT_MEMBLOCK_* macros to header
  2026-05-26 · Kevin Brodsky <hidden>
• COOLING4d [PATCH RFC v8 01/24] mm: Introduce kpkeys
  2026-05-26 · Kevin Brodsky <hidden>
• COLD16d [PATCH 08/11] params: Convert generic kernel_param_ops .get helpers to seq_buf
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD16d [PATCH 09/11] treewide: Convert custom kernel_param_ops .get callbacks to seq_buf via cocci
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD16d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD36d [PATCH] mm/util: Use kmalloc buckets for kmemdup_nul()
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD32d [PATCH v2 7/7] mm: use memcpy_streaming() in zone-device template copies
  2026-05-21 · Li Zhe <hidden>
• COLD32d [PATCH v2 4/7] mm: extend the template fast path to zone-device compound tails
  2026-05-21 · Li Zhe <hidden>
• COLD32d [PATCH v2 3/7] mm: add a template-based fast path for zone-device page init
  2026-05-21 · Li Zhe <hidden>
• COLD32d [PATCH v2 1/7] mm: factor zone-device page init helpers out of __init_zone_device_page
  2026-05-21 · Li Zhe <hidden>
• COLD38d REVIEWED: 31 (29M) [PATCH v5 02/13] mm: Make empty_zero_page[] const
  2026-05-19 · Ard Biesheuvel <hidden>

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.

• STALE65d REVIEWED: 1 (0M) [PATCH v2] slab: support for compiler-assisted type-based slab cache partitioning
  2026-04-15 · Marco Elver <elver@google.com> · 1 Acked-by
• COLD45d REVIEWED: 1 (0M) [PATCH v3 1/2] slab: support for compiler-assisted type-based slab cache partitioning
  2026-04-24 · Marco Elver <elver@google.com> · 1 Acked-by
• COLD38d REVIEWED: 1 (0M) [PATCH v4 1/3] slab: support for compiler-assisted type-based slab cache partitioning
  2026-05-11 · Marco Elver <elver@google.com> · 1 Acked-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.

• COLD52d [PATCH v6 11/30] memblock: Move INIT_MEMBLOCK_* macros to header
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 13/30] mm: kpkeys: Introduce kpkeys_hardened_pgtables feature
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 14/30] mm: kpkeys: Introduce block-based page table allocator
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 15/30] mm: kpkeys: Handle splitting of linear map
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 16/30] mm: kpkeys: Defer early call to set_memory_pkey()
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 17/30] mm: kpkeys: Add shrinker for block pgtable allocator
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 18/30] mm: kpkeys: Introduce early page table allocator
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 19/30] mm: kpkeys: Introduce hook for protecting static page tables
  2026-02-27 · Kevin Brodsky <hidden>
• COLD52d [PATCH v6 30/30] mm: Add basic tests for kpkeys_hardened_pgtables
  2026-02-27 · Kevin Brodsky <hidden>
• COLD51d [PATCH RFC v7 01/24] mm: Introduce kpkeys
  2026-05-05 · Kevin Brodsky <hidden>