vmalloc · Maintained

Maintainers

• M Andrew Morton <akpm@linux-foundation.org>
• M Uladzislau Rezki <urezki@gmail.com>

Paths

• F include/linux/vmalloc.h
• F mm/vmalloc.c
• F lib/test_vmalloc.c

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH RFC 00/11] mm: distinguish PTE table storage from PTE values
  2026-07-27 16:48 · 2 replies in 7d · Muhammad Usama Anjum <hidden>

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  10 attestations (5 Acked-by, 5 Reviewed-by) · last on 2026-07-23
• Dev Jain <dev.jain@arm.com>
  9 attestations (9 Reviewed-by) · last on 2026-07-23
• Kiryl Shutsemau (Meta) <kas@kernel.org>
  7 attestations (4 Acked-by, 3 Reviewed-by) · last on 2026-07-23
• David Hildenbrand (Arm) <david@kernel.org>
  6 attestations (3 Acked-by, 3 Reviewed-by) · last on 2026-07-23
• <hidden>
  5 attestations (5 Reported-by) · last on 2026-07-23
• Will Deacon <will@kernel.org>
  4 attestations (4 Acked-by) · last on 2026-07-23

Recent patches

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

• HOTtoday [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage
  2026-07-27 · Muhammad Usama Anjum <hidden>
• HOTtoday [PATCH RFC 02/11] mm: make hw_pte_t visible to generic PTE interfaces
  2026-07-27 · Muhammad Usama Anjum <hidden>
• COOLING6d IN LINUX-NEXT: 39 (39M) [PATCH mm-hotfixes v6 5/5] arm64: remove redundant concurrent ptdump UAF mitigation
  2026-07-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING6d IN LINUX-NEXT: 28 (28M) [PATCH mm-hotfixes v6 1/5] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING4d REVIEWED: 39 (39M) [PATCH mm-hotfixes v5 5/5] arm64: remove redundant concurrent ptdump UAF mitigation
  2026-07-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING4d REVIEWED: 28 (28M) [PATCH mm-hotfixes v5 1/5] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING14d REVIEWED: 39 (39M) [PATCH mm-hotfixes v4 4/4] arm64: remove redundant concurrent ptdump UAF mitigation
  2026-07-16 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING14d REVIEWED: 28 (28M) [PATCH mm-hotfixes v4 1/4] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-16 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COLD15d REVIEWED: 24 (24M) [PATCH mm-hotfixes v3 4/4] arm64: remove redundant concurrent ptdump UAF mitigation
  2026-07-14 · Lorenzo Stoakes <ljs@kernel.org>
• COLD15d REVIEWED: 12 (12M) [PATCH mm-hotfixes v3 1/4] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-14 · Lorenzo Stoakes <ljs@kernel.org>
• COLD15d REVIEWED: 12 (12M) [PATCH mm-hotfixes v2 4/4] arm64: remove redundant concurrent ptdump UAF mitigation
  2026-07-12 · Lorenzo Stoakes <ljs@kernel.org>
• COLD15d REVIEWED: 11 (11M) [PATCH mm-hotfixes v2 1/4] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-12 · Lorenzo Stoakes <ljs@kernel.org>
• COLD21d REVIEWED: 15 (15M) [PATCH v12 01/16] set_memory: set_direct_map_* to take address
  2026-04-10 · Kalyazin, Nikita <hidden>
• STALE92d IN MM: 12 (12M) [PATCH v6 2/3] vmalloc: Optimize vfree with free_pages_bulk()
  2026-04-01 · Muhammad Usama Anjum <hidden>
• STALE121d REVIEWED: 3 (3M) [PATCH v5 2/3] vmalloc: Optimize vfree
  2026-03-31 · Muhammad Usama Anjum <hidden>
• STALE121d REVIEWED: 3 (3M) [PATCH v4 2/3] vmalloc: Optimize vfree
  2026-03-27 · Muhammad Usama Anjum <hidden>
• STALE127d [PATCH v3 2/3] vmalloc: Optimize vfree
  2026-03-24 · Muhammad Usama Anjum <hidden>
• STALE111d REVIEWED: 15 (15M) [PATCH v11 01/16] set_memory: set_direct_map_* to take address
  2026-03-17 · Kalyazin, Nikita <hidden>
• STALE130d [PATCH v2 2/3] vmalloc: Optimize vfree
  2026-03-16 · Muhammad Usama Anjum <hidden>
• STALE156d [RFC PATCH 2/7] mm: use rcu_ptr instead of rcu_head
  2026-02-06 · Harry Yoo <hidden>
• STALE146d [PATCH v10 01/15] set_memory: set_direct_map_* to take address
  2026-01-26 · Kalyazin, Nikita <hidden>
• STALE243d [PATCH] kasan: hw_tags: fix a false positive case of vrealloc in alloced size
  2025-11-29 · Yeoreum Yun <hidden>
• STALE252d REVIEWED: 3 (3M) [PATCH v3 4/4] mm/vmalloc: cleanup gfp flag use in new_vmap_block()
  2025-11-17 · Vishal Moola (Oracle) <hidden>
• STALE252d [PATCH v3 3/4] mm/vmalloc: cleanup large_gfp in vm_area_alloc_pages()
  2025-11-17 · Vishal Moola (Oracle) <hidden>
• STALE252d [PATCH v3 2/4] mm/vmalloc: Add a helper to optimize vmalloc allocation gfps
  2025-11-17 · Vishal Moola (Oracle) <hidden>
• STALE252d REVIEWED: 4 (4M) [PATCH v3 1/4] mm/vmalloc: warn on invalid vmalloc gfp flags
  2025-11-17 · Vishal Moola (Oracle) <hidden>
• STALE259d REVIEWED: 3 (3M) [PATCH v2 4/4] mm/vmalloc: cleanup gfp flag use in new_vmap_block()
  2025-11-12 · Vishal Moola (Oracle) <hidden>
• STALE259d [PATCH v2 3/4] mm/vmalloc: cleanup large_gfp in vm_area_alloc_pages()
  2025-11-12 · Vishal Moola (Oracle) <hidden>
• STALE259d [PATCH v2 2/4] mm/vmalloc: Add a helper to optimize vmalloc allocation gfps
  2025-11-12 · Vishal Moola (Oracle) <hidden>
• STALE259d REVIEWED: 4 (4M) [PATCH v2 1/4] mm/vmalloc: warn on invalid vmalloc gfp flags
  2025-11-12 · Vishal Moola (Oracle) <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.

• COLD15d REVIEWED: 11 (11M) [PATCH mm-hotfixes v2 1/4] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-12 · Lorenzo Stoakes <ljs@kernel.org> · 1 Reviewed-by
• COLD15d REVIEWED: 12 (12M) [PATCH mm-hotfixes v3 1/4] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF
  2026-07-14 · Lorenzo Stoakes <ljs@kernel.org> · 2 Reviewed-by