proc filesystem · Maintained

Paths

• F Documentation/filesystems/proc.rst
• F fs/proc/
• F include/linux/proc_fs.h
• F tools/testing/selftests/proc/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH 6.18 0000/1518] 6.18.52-rc1 review
  2026-09-12 11:25 · 2 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [PATCH 7.2 0000/1815] 7.2.6-rc1 review
  2026-09-12 09:25 · 2 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d [PATCH] proc/task_mmu: handle special PMDs in clear_refs and pagemap
  2026-09-12 12:28 · 0 replies in 7d · Gregory Price <gourry@gourry.net>

Active reviewers (last 30 days)

• Oscar Salvador <osalvador@suse.de>
  6 attestations (6 Reviewed-by) · last on 2026-09-04
• Vlastimil Babka <hidden>
  4 attestations (4 Reviewed-by) · last on 2026-09-04
• Suren Baghdasaryan <surenb@google.com>
  2 attestations (2 Acked-by) · last on 2026-09-12
• David Hildenbrand <hidden>
  2 attestations (1 Acked-by, 1 Suggested-by) · last on 2026-09-03
• sashiko-bot <sashiko-bot@kernel.org>
  1 attestation (1 Reported-by) · last on 2026-09-12
• Baolin Wang <baolin.wang@linux.alibaba.com>
  1 attestation (1 Suggested-by) · last on 2026-09-03
• Zi Yan <ziy@nvidia.com>
  1 attestation (1 Acked-by) · last on 2026-09-03

Recent patches

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

• WARM1d [PATCH] proc/task_mmu: handle special PMDs in clear_refs and pagemap
  2026-09-12 · Gregory Price <gourry@gourry.net>
• HOTtoday REVIEWED: 7 (7M) [PATCH 6.18 1414/1518] selftests/proc: make proc-maps-race work with READ_IMPLIES_EXEC
  2026-09-12 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [PATCH 6.18 0118/1518] selftests: proc: include fcntl.h in proc-pidns
  2026-09-12 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 7 (7M) [PATCH 7.2 1754/1815] selftests/proc: make proc-maps-race work with READ_IMPLIES_EXEC
  2026-09-12 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [PATCH 7.2 0065/1815] selftests: proc: include fcntl.h in proc-pidns
  2026-09-12 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.50
  2026-09-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.109
  2026-09-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 2 (2M) [PATCH 5.10.y 1/2] mm: provide mm_struct and address to huge_ptep_get()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 2 (2M) [PATCH 5.15.y 1/2] mm: provide mm_struct and address to huge_ptep_get()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 2 (2M) [PATCH 6.1.y 4/5] mm: provide mm_struct and address to huge_ptep_get()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 2 (2M) [PATCH 6.1.y 3/5] fs/proc/task_mmu: convert smaps_hugetlb_range() to work on folios
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 2 (2M) [PATCH 6.6.y 5/6] mm: provide mm_struct and address to huge_ptep_get()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 2 (2M) [PATCH 6.6.y 4/6] fs/proc/task_mmu: convert smaps_hugetlb_range() to work on folios
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 1 (0M) [PATCH 6.6.y 1/2] mm: replace pmd_to_swp_entry() with softleaf_from_pmd()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d [PATCH 6.6.y 1/2] mm: remove is_hugetlb_entry_[migration, hwpoisoned]()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 1 (0M) [PATCH 6.12.y 1/2] mm: avoid unnecessary use of is_swap_pmd()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 1 (0M) [PATCH 6.12.y 1/2] mm: avoid unnecessary use of is_swap_pmd()
  2026-09-04 · Sasha Levin <sashal@kernel.org>
• COOLING12d REVIEWED: 1 (0M) [PATCH 6.18.y 1/2] mm: avoid unnecessary use of is_swap_pmd()
  2026-09-03 · Sasha Levin <sashal@kernel.org>
• COOLING13d REVIEWED: 4 (3M) [PATCH 6.6.y 1/2] mm/rmap: integrate PMD-mapped folio splitting into pagewalk loop
  2026-09-03 · Sasha Levin <sashal@kernel.org>
• COLD24d Re: Linux 6.18.46
  2026-08-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.183
  2026-08-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.216
  2026-08-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.265
  2026-08-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD37d REVIEWED: 1 (0M) [PATCH 6.18.y 2/3] mm: replace pmd_to_swp_entry() with softleaf_from_pmd()
  2026-08-10 · Sasha Levin <sashal@kernel.org>
• COLD37d REVIEWED: 1 (0M) [PATCH 6.18.y 1/3] fs/proc/task_mmu: refactor pagemap_pmd_range()
  2026-08-10 · Sasha Levin <sashal@kernel.org>
• COLD38d Re: Linux 7.1.8
  2026-08-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD38d Re: Linux 6.18.44
  2026-08-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.103
  2026-08-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD36d [PATCH 6.18 354/396] fs/proc/task_mmu: fix PAGEMAP_SCAN written state for unpopulated ptes
  2026-08-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD26d [PATCH 6.12 286/337] fs/proc/task_mmu: fix PAGEMAP_SCAN written state for unpopulated ptes
  2026-08-07 · 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.

• DORMANTno replies REVIEWED: 9 (9M) [PATCH 6.18.y 1/2] proc: rename proc_setattr to proc_nochmod_setattr
  2026-07-16 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE62d REVIEWED: 9 (9M) [PATCH 6.12.y 1/2] proc: rename proc_setattr to proc_nochmod_setattr
  2026-07-16 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 9 (9M) [PATCH 6.6.y 1/2] proc: rename proc_setattr to proc_nochmod_setattr
  2026-07-16 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE61d REVIEWED: 9 (9M) [PATCH 6.1.y 3/4] proc: rename proc_setattr to proc_nochmod_setattr
  2026-07-17 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE61d REVIEWED: 1 (0M) [PATCH 6.1.y 1/4] proc: use generic setattr() for /proc/$PID/net
  2026-07-17 · Sasha Levin <sashal@kernel.org> · 1 Tested-by
• STALE61d REVIEWED: 1 (0M) [PATCH 5.15.y 1/4] proc: use generic setattr() for /proc/$PID/net
  2026-07-17 · Sasha Levin <sashal@kernel.org> · 1 Tested-by
• STALE61d REVIEWED: 9 (9M) [PATCH 5.15.y 3/4] proc: rename proc_setattr to proc_nochmod_setattr
  2026-07-17 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE61d REVIEWED: 1 (0M) [PATCH 5.10.y 1/3] proc: use generic setattr() for /proc/$PID/net
  2026-07-17 · Sasha Levin <sashal@kernel.org> · 1 Tested-by
• STALE61d REVIEWED: 9 (9M) [PATCH 5.10.y 2/3] proc: rename proc_setattr to proc_nochmod_setattr
  2026-07-17 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• COLD54d REVIEWED: 10 (10M) FAILED: patch "[PATCH] fs/proc/task_mmu: fix make_uffd_wp_huge_pte() prot-update" failed to apply to 6.18-stable tree
  2026-07-20 · <gregkh@linuxfoundation.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 6.18.14
  2026-02-26 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE200d Re: Linux 6.19.4
  2026-02-26 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE190d [PATCH 6.19 457/844] proc: Fix pointer error dereference
  2026-02-28 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.19.6
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.18.16
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.6.128
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• STALE195d Re: Linux 6.1.165
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 5.15.202
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 5.10.252
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• STALE72d [PATCH 2/2] proc: protect ptrace_may_access() with exec_update_lock (FD links)
  2026-05-18 · Jann Horn <jannh@google.com>