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)

• WARM3d [RFC PATCH v2 0/3] security: Add PR_CAPBSET_DROP_MASK
  2026-09-29 13:02 · 1 reply in 7d · Jinjie Ruan <hidden>
• COOLING4d [PATCH v3 00/12] CRASH_MEMACTION: describe pages to a kdump kernel (was: CRASH_WIPE_SECRETS)
  2026-09-28 17:20 · 1 reply in 7d · Jan Sebastian Götte <hidden>

Active reviewers (last 30 days)

• Lorenzo Stoakes (ARM) <ljs@kernel.org>
  4 attestations (1 Acked-by, 3 Reviewed-by) · last on 2026-09-21
• Michal Hocko <mhocko@suse.com>
  3 attestations (3 Acked-by) · last on 2026-09-21
• SJ Park <sj@kernel.org>
  2 attestations (2 Reviewed-by) · last on 2026-09-21
• Gregory Price (Meta) <gourry@gourry.net>
  2 attestations (2 Reviewed-by) · last on 2026-09-21
• David Hildenbrand (Arm) <david@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-09-07
• Jan Kara <jack@suse.cz>
  1 attestation (1 Reviewed-by) · last on 2026-09-07

Recent patches

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

• WARM3d [RFC PATCH v2 2/3] security: Add PR_CAPBSET_DROP_MASK for process-wide bounding-set drops
  2026-09-29 · Jinjie Ruan <hidden>
• COOLING4d [PATCH v3 08/12] mm: Add VM_CRASH_MARK
  2026-09-28 · Jan Sebastian Götte <hidden>
• COOLING11d REVIEWED: 16 (16M) [PATCH v4 13/15] fs: convert process/thread iterators to for_each_*_rculock
  2026-09-21 · Ye Liu <hidden>
• COLD15d REVIEWED: 16 (16M) [PATCH v3 13/15] fs: convert process/thread iterators to for_each_*_rculock
  2026-09-11 · Ye Liu <hidden>
• COOLING11d REVIEWED: 26 (26M) [PATCH v3 2/3] proc: query LSMs for introspective mem access (if PROC_MEM_FORCE_ALWAYS)
  2026-09-07 · Jann Horn <jannh@google.com>
• COOLING11d REVIEWED: 35 (35M) [PATCH v3 1/3] proc: refactor /proc/$pid/mem to use struct as private_data
  2026-09-07 · Jann Horn <jannh@google.com>
• COLD23d REVIEWED: 4 (4M) [PATCH v2 6/8] fs: convert process/thread iterators to for_each_*_rculock
  2026-09-07 · Ye Liu <hidden>
• COLD24d [PATCH 24/27] fs: port ->setattr() to pass const mnt_idmap
  2026-09-01 · Christian Brauner <brauner@kernel.org>
• COLD24d [PATCH 23/27] fs: port ->getattr() to pass const mnt_idmap
  2026-09-01 · Christian Brauner <brauner@kernel.org>
• COLD24d [PATCH 12/27] fs: port ->permission() to pass const mnt_idmap
  2026-09-01 · Christian Brauner <brauner@kernel.org>
• COOLING7d [PATCH v2 1/3] fs: Introduce task path helpers
  2026-08-31 · Chen Linxuan <hidden>
• COLD28d [PATCH v2 2/3] proc: query LSMs for introspective mem access (if PROC_MEM_FORCE_ALWAYS)
  2026-08-25 · Jann Horn <jannh@google.com>
• COLD28d REVIEWED: 35 (35M) [PATCH v2 1/3] proc: refactor /proc/$pid/mem to use struct as private_data
  2026-08-25 · Jann Horn <jannh@google.com>
• DORMANTno replies [PATCH RFC 1/3] fs: Introduce task path helpers
  2026-08-20 · Chen Linxuan via B4 Relay <devnull+me.black-desk.cn@kernel.org>
• COLD37d [PATCH 2/3] proc: query LSMs for introspective mem access (if PROC_MEM_FORCE_ALWAYS)
  2026-08-18 · Jann Horn <jannh@google.com>
• COLD37d [PATCH 1/3] proc: refactor /proc/$pid/mem to use struct as private_data
  2026-08-18 · Jann Horn <jannh@google.com>
• COLD34d [PATCH v4] security: Expand task_setscheduler LSM hook
  2026-07-20 · Aaron Tomlin <atomlin@atomlin.com>
• COLD26d [RFC PATCH 15/24] fork: keep embryonic tasks hidden until exec completes
  2026-07-16 · Li Chen <hidden>
• STALE107d [PATCH v3] security: Expand task_setscheduler LSM hook to include CPU affinity mask
  2026-05-26 · Aaron Tomlin <atomlin@atomlin.com>
• STALE139d [PATCH v2 2/3] security: Expand task_setscheduler LSM hook to include CPU affinity mask
  2026-05-09 · Aaron Tomlin <atomlin@atomlin.com>
• STALE143d [PATCH 2/3] security: Expand task_setscheduler LSM hook to include CPU affinity mask
  2026-05-09 · Aaron Tomlin <atomlin@atomlin.com>
• STALE200d [PATCH v3 12/12] treewide: change inode->i_ino from unsigned long to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• STALE212d [PATCH v2 067/110] proc: replace PRIino with %llu/%llx format strings
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE212d [PATCH v2 014/110] proc: use PRIino format for i_ino
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE217d [PATCH 16/61] proc: update /proc/PID/maps for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE207d REVIEWED: 4 (4M) [PATCH v3 02/15] fs/proc: Don't lock root inode when creating "self" and "thread-self"
  2026-02-24 · NeilBrown <hidden>
• STALE220d REVIEWED: 4 (4M) [PATCH v2 02/15] fs/proc: Don't lock root inode when creating "self" and "thread-self"
  2026-02-23 · NeilBrown <hidden>
• STALE221d [PATCH 01/13] fs/proc: Don't lock root inode when creating "self" and "thread-self"
  2026-02-04 · NeilBrown <hidden>
• DORMANTno replies [PATCH v19] exec: Fix dead-lock in de_thread with ptrace_attach
  2025-12-19 · Bernd Edlinger <hidden>
• STALE311d [RFC][PATCH] exec: Move cred computation under exec_update_lock
  2025-11-20 · Eric W. Biederman <hidden>

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.

• COLD26d [RFC PATCH 15/24] fork: keep embryonic tasks hidden until exec completes
  2026-07-16 · Li Chen <hidden>
• DORMANTno replies [PATCH RFC 1/3] fs: Introduce task path helpers
  2026-08-20 · Chen Linxuan via B4 Relay <devnull+me.black-desk.cn@kernel.org>