memory management - core · Maintained

Maintainers

• M Andrew Morton <akpm@linux-foundation.org>
• M David Hildenbrand <david@kernel.org>
• R Lorenzo Stoakes <ljs@kernel.org>
• R Liam R. Howlett <liam@infradead.org>
• R Vlastimil Babka <vbabka@kernel.org>
• R Mike Rapoport <rppt@kernel.org>
• R Suren Baghdasaryan <surenb@google.com>
• R Michal Hocko <mhocko@suse.com>

Paths

• F Documentation/admin-guide/sysctl/vm.rst
• F include/linux/folio_batch.h
• F include/linux/gfp.h
• F include/linux/gfp_types.h
• F include/linux/highmem.h
• F include/linux/leafops.h
• F include/linux/memory.h
• F include/linux/mm.h
• F include/linux/mm_*.h
• F include/linux/mmzone.h
• F include/linux/mmdebug.h
• F include/linux/mmu_notifier.h
• F include/linux/pagewalk.h
• F include/linux/pgalloc.h
• F include/linux/pgtable.h
• F include/linux/ptdump.h
• F include/linux/vmpressure.h
• F include/linux/vmstat.h
• F fs/proc/meminfo.c
• F kernel/fork.c
• F mm/Kconfig
• F mm/debug.c
• F mm/folio-compat.c
• F mm/highmem.c
• F mm/init-mm.c
• F mm/internal.h
• F mm/maccess.c
• F mm/memory.c
• F mm/mmu_notifier.c
• F mm/mmzone.c
• F mm/pagewalk.c
• F mm/pgtable-generic.c
• F mm/ptdump.c
• F mm/sparse-vmemmap.c
• F mm/sparse.c
• F mm/util.c
• F mm/vmpressure.c
• F mm/vmstat.c

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH RFC v2 00/20] mm: optimize unnecessary loads due to ptep_get() and friends out
  2026-07-22 21:00 · 2 replies in 7d · Yeoreum Yun <hidden>
• WARM3d [PATCH v7 0/9] mm: optimize zone-device memmap initialization
  2026-07-20 12:05 · 1 reply in 7d · Li Zhe <hidden>

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  3 attestations (3 Reviewed-by) · last on 2026-07-20
• Matthew Wilcox (Oracle) <willy@infradead.org>
  2 attestations (2 Suggested-by) · last on 2026-07-14
• Muchun Song <muchun.song@linux.dev>
  1 attestation (1 Acked-by) · last on 2026-07-20
• Balbir Singh <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-20
• Eugen Hristev <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-07-08
• Harry Yoo <hidden>
  1 attestation (1 Tested-by) · last on 2026-07-06
• Gwan-gyeong Mun <hidden>
  1 attestation (1 Tested-by) · last on 2026-07-06
• Yunseong Kim <hidden>
  1 attestation (1 Tested-by) · last on 2026-07-06
• Yeoreum Yun <hidden>
  1 attestation (1 Tested-by) · last on 2026-07-06

Recent patches

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

• WARM1d Re: [PATCH RFC v2 13/20] x86: mm: carve out the generic compile-time folded pgtable case in effective_prot()
  2026-07-22 · Yeoreum Yun <hidden>
• WARM1d [PATCH RFC v2 13/20] x86: mm: carve out the generic compile-time folded pgtable case in effective_prot()
  2026-07-22 · Yeoreum Yun <hidden>
• WARM3d REVIEWED: 15 (14M) [PATCH v7 3/9] mm: add a set_page_section_from_pfn() helper
  2026-07-20 · Li Zhe <hidden>
• COOLING9d [RFC PATCH 13/24] fork: let new tasks start with task work
  2026-07-16 · Li Chen <hidden>
• COOLING9d [RFC PATCH 12/24] fork: let kernel callers create embryonic tasks
  2026-07-16 · Li Chen <hidden>
• COOLING9d [RFC PATCH 09/24] fork: let process builders supply preallocated pids
  2026-07-16 · Li Chen <hidden>
• COOLING9d [RFC PATCH 07/24] fork: expose vfork completion helper
  2026-07-16 · Li Chen <hidden>
• COOLING9d [PATCH v2 10/15] mm/gup: add fast-GUP specific lockless PTE helpers
  2026-07-16 · Yunhui Cui <hidden>
• COOLING9d [PATCH v2 05/15] mm: extend pte batch and leaf-size helpers
  2026-07-16 · Yunhui Cui <hidden>
• COOLING4d Re: [RFC PATCH 10/34] x86: mm: carve out the generic compile-time folded pgtable case in effective_prot()
  2026-07-16 · Yeoreum Yun <hidden>
• COOLING4d Re: [RFC PATCH 10/34] x86: mm: carve out the generic compile-time folded pgtable case in effective_prot()
  2026-07-14 · Yeoreum Yun <hidden>
• WARM1d [PATCH 17/22] mm: pagewalk: drop redundant address check for kernel mm walks
  2026-07-14 · Kevin Brodsky <hidden>
• WARM1d [PATCH 15/22] mm: only initialise pt_share_count for user pgtables
  2026-07-14 · Kevin Brodsky <hidden>
• WARM1d [PATCH 14/22] mm: set page table page type when allocated
  2026-07-14 · Kevin Brodsky <hidden>
• WARM1d [PATCH 13/22] mm: account page table pages when allocated
  2026-07-14 · Kevin Brodsky <hidden>
• WARM1d [PATCH 04/22] mm: use mm_is_kernel() in generic page table code
  2026-07-14 · Kevin Brodsky <hidden>
• WARM1d [PATCH 03/22] mm: introduce MMF_KERNEL flag and set it for init_mm
  2026-07-14 · Kevin Brodsky <hidden>
• WARM1d [PATCH 02/22] mm: move mm_flags helpers to mm_types.h
  2026-07-14 · Kevin Brodsky <hidden>
• COOLING4d Re: [RFC PATCH 10/34] x86: mm: carve out the generic compile-time folded pgtable case in effective_prot()
  2026-07-14 · "David Hildenbrand (Arm)" <david@kernel.org>
• COOLING4d [RFC PATCH 28/34] arm: mm: use proper pgtable APIs for generic compile-time folded patable in kasan_init()
  2026-07-13 · Yeoreum Yun <hidden>
• COOLING9d REVIEWED: 11 (11M) [PATCH v6 3/8] mm: add a set_page_section_from_pfn() helper
  2026-07-09 · Li Zhe <hidden>
• COOLING14d [PATCH v3 20/26] mm/sparse: Register information into meminspect
  2026-07-08 · Mukesh Ojha <hidden>
• COOLING14d [PATCH v3 14/26] mm/init-mm: Annotate static information into meminspect
  2026-07-08 · Mukesh Ojha <hidden>
• COOLING14d [PATCH v3 08/26] kernel/fork: Annotate static information into meminspect
  2026-07-08 · Mukesh Ojha <hidden>
• COOLING13d [PATCH v19 27/40] dept: assign dept map to mmu notifier invalidation synchronization
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING13d REVIEWED: 4 (0M) [PATCH v19 01/40] dept: implement DEPT(DEPendency Tracker)
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COLD18d REVIEWED: 11 (11M) [PATCH v5 3/8] mm: add a set_page_section_from_pfn() helper
  2026-07-01 · Li Zhe <hidden>
• COLD25d [PATCH v4] coredump: Add /proc/<pid>/coredump_pre_exit for pre-exit before dumping
  2026-06-24 · Xin Zhao <hidden>
• DORMANTno replies IN LINUX-NEXT [PATCH] mm: Replace __ASSEMBLY__ with __ASSEMBLER__ in memory management header files
  2026-06-19 · Thomas Huth <hidden>
• COLD18d REVIEWED: 11 (11M) [PATCH v4 3/8] mm: add a set_page_section_from_pfn() helper
  2026-06-03 · Li Zhe <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.

• STALE177d REVIEWED: 4 (0M) Re: [PATCH v26 01/28] mm: VM_SHADOW_STACK definition for riscv
  2026-01-15 · Paul Walmsley <pjw@kernel.org> · 2 Reviewed-by, 1 Acked-by, 1 Tested-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.

• DORMANTno replies [PATCH] mm: Add SPDX id lines to some mm source files
  2026-02-04 · Tim Bird <hidden>
• STALE65d [PATCH v2 07/25] kernel/fork: Annotate static information into meminspect
  2026-03-10 · Mukesh Ojha <hidden>
• STALE107d [PATCH v5 7/8] include: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
  2026-04-09 · Thomas Huth <hidden>
• STALE90d [PATCH v3 2/3] kasan: skip HW tagging for all kernel thread stacks
  2026-04-24 · Dev Jain <dev.jain@arm.com>
• STALE63d [PATCH 1/5] mm: add basic madvise helpers and branch for THP setup
  2026-05-01 · Luka Bai <hidden>
• DORMANTno replies IN LINUX-NEXT [PATCH] mm: Replace __ASSEMBLY__ with __ASSEMBLER__ in memory management header files
  2026-06-19 · Thomas Huth <hidden>