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

Active reviewers (last 30 days)

• Mike Rapoport (Microsoft) <rppt@kernel.org>
  3 attestations (1 Acked-by, 2 Reviewed-by) · last on 2026-05-22
• SeongJae Park <sj@kernel.org>
  2 attestations (2 Reviewed-by) · last on 2026-05-22

Recent patches

Most-recent 17 patches in this subsystem on linux-man, ordered by date desc.

• COOLING12d REVIEWED: 11 (11M) [PATCH v3 10/16] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking
  2026-05-22 · Kiryl Shutsemau <hidden>
• COOLING12d REVIEWED: 12 (12M) [PATCH v3 04/16] mm: add VM_UFFD_RWP VMA flag
  2026-05-22 · Kiryl Shutsemau <hidden>
• COOLING12d REVIEWED: 12 (12M) [PATCH v3 03/16] mm: rename uffd-wp PTE accessors to uffd
  2026-05-22 · Kiryl Shutsemau <hidden>
• STALE2735d REVIEWED: 1 (0M) [PATCH v4] signal: add taskfd_send_signal() syscall
  2018-12-06 · Christian Brauner <christian@brauner.io>
• STALE2738d [PATCH v3] signal: add procfd_send_signal() syscall
  2018-12-05 · Christian Brauner <christian@brauner.io>
• STALE2745d [PATCH v2] signal: add procfd_signal() syscall
  2018-11-20 · Christian Brauner <christian@brauner.io>
• STALE2745d [PATCH v1 2/2] signal: add procfd_signal() syscall
  2018-11-19 · Christian Brauner <christian@brauner.io>
• STALE2745d [PATCH v1 1/2] proc: get process file descriptor from /proc/<pid>
  2018-11-19 · Christian Brauner <christian@brauner.io>
• STALE2935d REVIEWED: 1 (0M) [PATCH 20/24] Lock down /proc/kcore
  2018-04-11 · David Howells <dhowells@redhat.com>
• DORMANTno replies [CFT][PATCH v6] userns: Add a knob to disable setgroups on a per user namespace basis
  2014-12-12 · Eric W. Biederman <hidden>
• STALE4195d [CFT][PATCH 7/8] userns: Add a knob to disable setgroups on a per user namespace basis
  2014-12-09 · Eric W. Biederman <hidden>
• STALE4196d [CFT][PATCH 6/7] userns: Add a knob to disable setgroups on a per user namespace basis
  2014-12-08 · Eric W. Biederman <hidden>
• STALE4202d [CFT][PATCH 2/3] userns: Add a knob to disable setgroups on a per user namespace basis
  2014-12-02 · Eric W. Biederman <hidden>
• STALE5236d [RESEND][PATCH] Mark thread stack correctly in proc/<pid>/maps
  2012-02-02 · Siddhesh Poyarekar <hidden>
• STALE5236d [PATCH] Mark thread stack correctly in proc/<pid>/maps
  2012-01-17 · Siddhesh Poyarekar <hidden>
• STALE5253d [PATCH] Mark thread stack correctly in proc/<pid>/maps
  2012-01-14 · Siddhesh Poyarekar <hidden>
• STALE6421d [patch 1/3] [RFC] Change sys_readlink/sys_readlinkat buffer size parameter to size_t (POSIX mismatch)
  2008-10-23 · Daniel Gollub <hidden>