x86 mm · Maintained

Maintainers

• M Dave Hansen <dave.hansen@linux.intel.com>
• M Andy Lutomirski <luto@kernel.org>
• M Peter Zijlstra <peterz@infradead.org>

Paths

• F arch/x86/mm/

Last 30 days

Most active threads (last 7 days)

• WARM1d REVIEWED: 38 (38M) FAILED: patch "[PATCH] mm/sparse-vmemmap: fix DAX vmemmap accounting with" failed to apply to 6.12-stable tree
  2026-07-26 12:00 · 1 reply in 7d · <gregkh@linuxfoundation.org>
• WARM3d REVIEWED: 38 (38M) FAILED: patch "[PATCH] mm/sparse-vmemmap: fix DAX vmemmap accounting with" failed to apply to 6.18-stable tree
  2026-07-24 16:45 · 1 reply in 7d · <gregkh@linuxfoundation.org>
• WARM3d IN LINUX-NEXT [PATCH mm-hotfixes v6 0/5] mm: fix UAF caused by race between ptdump and vmap pgtable freeing
  2026-07-23 15:17 · 2 replies in 7d · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM3d Linux 6.12.97
  2026-07-24 15:06 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Linux 6.6.145
  2026-07-24 15:06 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d Linux 6.1.178
  2026-07-24 15:06 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d Linux 5.10.261
  2026-07-24 15:05 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d Linux 5.15.212
  2026-07-24 15:05 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d REVIEWED: 38 (38M) FAILED: patch "[PATCH] mm/sparse-vmemmap: fix DAX vmemmap accounting with" failed to apply to 7.1-stable tree
  2026-07-24 10:49 · 1 reply in 7d · <gregkh@linuxfoundation.org>
• COOLING5d [PATCH 6.1 0000/1067] 6.1.178-rc1 review
  2026-07-21 21:22 · 2 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  8 attestations (1 Acked-by, 7 Reviewed-by) · last on 2026-07-26
• Kiryl Shutsemau (Meta) <kas@kernel.org>
  5 attestations (5 Reviewed-by) · last on 2026-07-23
• David Hildenbrand (Arm) <david@kernel.org>
  4 attestations (1 Acked-by, 3 Reviewed-by) · last on 2026-07-24
• Donghyeon Lee <hidden>
  4 attestations (4 Reported-by) · last on 2026-07-21
• Munhui Chae <hidden>
  4 attestations (4 Reported-by) · last on 2026-07-21
• Dave Hansen <hidden>
  4 attestations (4 Acked-by) · last on 2026-07-21
• Seth Forshee <sforshee@kernel.org>
  4 attestations (4 Tested-by) · last on 2026-07-21
• Eric Hagberg <hidden>
  4 attestations (4 Tested-by) · last on 2026-07-21
• Dave Hansen <dave.hansen@linux.intel.com>
  3 attestations (3 Reviewed-by) · last on 2026-07-23
• Lorenzo Stoakes (Oracle) <ljs@kernel.org>
  2 attestations (2 Reviewed-by) · last on 2026-07-26

Recent patches

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

• WARM1d REVIEWED: 21 (21M) [PATCH 6.12.y 1/2] mm: prepare to move subsection_map_init() to mm/sparse-vmemmap.c
  2026-07-26 · Sasha Levin <sashal@kernel.org>
• WARM3d REVIEWED: 21 (21M) [PATCH 6.18.y 1/2] mm: prepare to move subsection_map_init() to mm/sparse-vmemmap.c
  2026-07-24 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.12.97
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d Re: Linux 6.6.145
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.178
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.261
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.212
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d REVIEWED: 38 (38M) [PATCH 7.1.y 3/4] mm/sparse-vmemmap: pass @pgmap argument to memory deactivation paths
  2026-07-24 · Sasha Levin <sashal@kernel.org>
• WARM3d IN LINUX-NEXT [PATCH mm-hotfixes v6 3/5] x86/mm/pat: acquire init_mm read lock on attribute change to avoid UAF
  2026-07-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM3d IN LINUX-NEXT: 43 (42M) [PATCH mm-hotfixes v6 2/5] x86/mm/pat: acquire init_mm write lock on collapse to avoid UAF
  2026-07-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM3d [PATCH 5.10 223/699] mm/fake-numa: fix under-allocation detection in uniform split
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d [PATCH 5.15 291/843] mm/fake-numa: fix under-allocation detection in uniform split
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d [PATCH 6.1 0370/1067] mm/fake-numa: fix under-allocation detection in uniform split
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d REVIEWED: 3 (1M) [PATCH 6.1 0263/1067] x86/mm: Fix check/use ordering in switch_mm_irqs_off()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d [PATCH 6.6 0480/1266] mm/fake-numa: fix under-allocation detection in uniform split
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d REVIEWED: 3 (1M) [PATCH 6.6 0335/1266] x86/mm: Fix check/use ordering in switch_mm_irqs_off()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d REVIEWED: 3 (1M) [PATCH 6.12 0025/1276] x86/mm: Fix check/use ordering in switch_mm_irqs_off()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING6d IN LINUX-NEXT [PATCH v2] x86/mm/pat: allocate split page tables as kernel page tables
  2026-07-21 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING6d [PATCH] x86/mm/pat: allocate split page tables as kernel page tables
  2026-07-20 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• DORMANTno replies Re: Linux 7.1.4
  2026-07-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.39
  2026-07-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [PATCH mm-hotfixes v5 3/5] x86/mm/pat: acquire init_mm read lock on attribute change to avoid UAF
  2026-07-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• HOTtoday REVIEWED: 43 (42M) [PATCH mm-hotfixes v5 2/5] x86/mm/pat: acquire init_mm write lock on collapse to avoid UAF
  2026-07-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING8d REVIEWED: 3 (1M) [PATCH 6.1.y 6.6.y 6.12.y] x86/mm: Fix check/use ordering in switch_mm_irqs_off()
  2026-07-17 · Eric Hagberg <hidden>
• COOLING10d REVIEWED: 31 (31M) [PATCH mm-hotfixes v4 2/4] x86/mm/pat: acquire init_mm write lock to avoid UAF
  2026-07-16 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING11d REVIEWED: 12 (12M) [PATCH mm-hotfixes v3 2/4] x86/mm/pat: acquire mmap lock on page table free to avoid ptdump UAF
  2026-07-14 · Lorenzo Stoakes <ljs@kernel.org>
• COOLING12d REVIEWED: 12 (12M) [PATCH mm-hotfixes v2 2/4] x86/mm/pat: acquire mmap lock on page table free to avoid ptdump UAF
  2026-07-12 · Lorenzo Stoakes <ljs@kernel.org>
• COLD15d [PATCH] x86/mm/pat: acquire mmap lock on page table free to avoid ptdump UAF
  2026-07-10 · Lorenzo Stoakes <ljs@kernel.org>
• DORMANTno replies Re: Linux 6.6.143
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD23d REVIEWED: 5 (5M) [PATCH 6.6 193/452] x86/kexec: Disable KCOV instrumentation after load_segments()
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.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.

• STALE126d REVIEWED: 5 (5M) [PATCH v2] x86/kexec: Disable KCOV instrumentation after load_segments()
  2026-03-17 · Aleksandr Nogikh <hidden> · 1 Reviewed-by
• STALE119d REVIEWED: 5 (5M) [PATCH v3] x86/kexec: Disable KCOV instrumentation after load_segments()
  2026-03-25 · Aleksandr Nogikh <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) [tip: x86/urgent] x86/kexec: Disable KCOV instrumentation after load_segments()
  2026-03-30 · tip-bot2 for Aleksandr Nogikh <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: patch "[PATCH] x86/kexec: Disable KCOV instrumentation after load_segments()" failed to apply to 6.12-stable tree
  2026-04-07 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 5 (5M) FAILED: patch "[PATCH] x86/kexec: Disable KCOV instrumentation after load_segments()" failed to apply to 6.6-stable tree
  2026-04-07 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• STALE96d REVIEWED: 9 (8M) [tip: x86/urgent] x86/cpu: Disable FRED when PTI is forced on
  2026-04-21 · tip-bot2 for Dave Hansen <hidden> · 1 Reviewed-by, 1 Tested-by
• COLD51d REVIEWED: 5 (5M) [PATCH 6.6.y] x86/kexec: Disable KCOV instrumentation after load_segments()
  2026-06-04 · Miles Wang <hidden> · 1 Reviewed-by
• COOLING12d REVIEWED: 12 (12M) [PATCH mm-hotfixes v2 2/4] x86/mm/pat: acquire mmap lock on page table free to avoid ptdump UAF
  2026-07-12 · Lorenzo Stoakes <ljs@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.

• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.67
  2026-01-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.7
  2026-01-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.122
  2026-01-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.68
  2026-01-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE178d Re: Linux 6.18.8
  2026-01-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.199
  2026-02-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE171d Re: Linux 6.1.162
  2026-02-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE133d [PATCH 6.19 021/311] x86/bug: Handle __WARN_printf() trap in early_fixup_exception()
  2026-03-10 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.19.7
  2026-03-12 · Sasha Levin <sashal@kernel.org>