proc filesystem

Most active threads (last 7 days)

Recent patches

Latest 30 postings or standalone patches (up to 30), newest first. Counts below cover matching patches in linux-ext4 touching this subsystem.

• proc: drop the __user methods (Part 7/7) v2 · 6 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RESEND v2 1/6] proc: drop ->proc_write() 2026-11-04
  • [PATCH RESEND v2 2/6] proc: drop ->proc_ioctl() and ->proc_compat_ioctl() 2026-11-04
  • [PATCH RESEND v2 3/6] proc: give kcore, kmsg and the kpage files their own file_operations 2026-11-04
  • [PATCH RESEND v2 4/6] proc: drop ->proc_read() and ->proc_read_iter() 2026-11-04
  • [PATCH RESEND v2 5/6] proc: drop the _buf suffix from the new methods 2026-11-04
  • [PATCH RESEND v2 6/6] proc: drop the poll_table from ->proc_poll() 2026-11-04
  2026-11-04 · Christian Brauner <brauner@kernel.org>
• proc: convert the net entries and the kfifo samples (Part 6/7) v2 · 1 matching patch

  Entire posting: PENDING · 2 of 13 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RESEND v2 13/13] selftests/proc: check that removing a polled entry wakes its pollers 2026-11-04
  2026-11-04 · Christian Brauner <brauner@kernel.org>
• proc: convert the fs, kernel and mm entries (Part 5/7) v2 · 1 matching patch

  Entire posting: PENDING · 4 of 30 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RESEND v2 30/30] selftests/proc: check that unloading configs doesn't wait for a reader 2026-11-04
  2026-11-04 · Christian Brauner <brauner@kernel.org>
• proc: convert the driver entries (Part 4/7) v2 · 1 matching patch

  Entire posting: PENDING · 1 of 26 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RESEND v2 12/26] selftests/proc: check that a faulting writer doesn't hold up removal 2026-11-04
  2026-11-04 · Christian Brauner <brauner@kernel.org>
• proc: let procfs own the data path (Part 2/7) v2 · 20 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RESEND v2 01/23] proc: drop the compat file operations 2026-11-04
  • [PATCH RESEND v2 02/23] proc: add pde_pin() and pde_unpin() 2026-11-04
  • [PATCH RESEND v2 03/23] proc: share the readdir cursor with sysctl 2026-11-04
  • [PATCH RESEND v2 04/23] proc: wait for the last user of an entry with wait_var_event() 2026-11-04
  • [PATCH RESEND v2 05/23] proc: keep the open files of an entry in an open node 2026-11-04
  • [PATCH RESEND v2 06/23] proc: make room for more entry flags 2026-11-04
  • [PATCH RESEND v2 07/23] proc: let procfs own the seq_file of seq_file entries 2026-11-04
  • [PATCH RESEND v2 08/23] proc: let procfs own the seq_file of proc_create_seq() and friends 2026-11-04
  • [PATCH RESEND v2 10/23] treewide: let procfs own the seq_file of simple proc entries 2026-11-04
  • [PATCH RESEND v2 11/23] selftests/proc: check that a faulting reader doesn't hold up removal 2026-11-04
  • [PATCH RESEND v2 13/23] proc: let procfs own the seq_file of /proc/stat 2026-11-04
  • [PATCH RESEND v2 14/23] proc: let procfs copy in writes before pinning the entry 2026-11-04
  • [PATCH RESEND v2 15/23] proc: copy in writes to the network namespace entries before pinning 2026-11-04
  • [PATCH RESEND v2 16/23] proc: let procfs copy out reads that don't go through seq_file 2026-11-04
  • [PATCH RESEND v2 17/23] fs/proc/vmcore: let procfs copy out reads 2026-11-04
  • [PATCH RESEND v2 18/23] proc: let procfs copy ioctl arguments in and out 2026-11-04
  • [PATCH RESEND v2 19/23] proc: pin the entry around the vm_operations of its mappings 2026-11-04
  • [PATCH RESEND v2 20/23] selftests/proc: check that a mapped entry can be removed 2026-11-04
  • [PATCH RESEND v2 21/23] proc: let lockdep check the pin 2026-11-04
  • [PATCH RESEND v2 22/23] proc: own the wait queue of an entry with a ->proc_poll() 2026-11-04
  2026-11-04 · Christian Brauner <brauner@kernel.org>
• proc: fix a few old bugs in /proc handlers (Part 1/7) v2 · 17 matching patches

  Entire posting: PENDING · 3 of 51 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 14/51] proc: sysctl: don't stop readdir at an entry that is being unregistered 2026-11-04
  • [PATCH v2 29/51] proc: don't walk through a non-directory when resolving a name 2026-11-04
  • [PATCH v2 31/51] proc: don't WARN about a name that is already registered 2026-11-04
  • [PATCH v2 32/51] proc: resume readdir after the last name it returned 2026-11-04
  • [PATCH v2 33/51] selftests/proc: check a /proc listing while entries come and go 2026-11-04
  • [PATCH v2 34/51] proc: let proc_remove() remove the entry it was given 2026-11-04
  • [PATCH v2 35/51] proc: warn about entries left in /proc/net of a dying namespace 2026-11-04
  • [PATCH v2 36/51] proc: don't let NOMMU map procfs files 2026-11-04
  • [PATCH v2 37/51] proc/vmcore: don't let vmcore_cleanup() run twice at once 2026-11-04
  • [PATCH RESEND v2 44/51] proc: sysctl: resume readdir after the last name it returned 2026-11-04
  • [PATCH RESEND v2 45/51] selftests/proc: check a sysctl listing while entries come and go 2026-11-04
  • [PATCH RESEND v2 46/51] proc: sysctl: copy to and from userspace without holding the table 2026-11-04
  • [PATCH RESEND v2 47/51] proc: sysctl: look at the table under sysctl_lock when creating an inode 2026-11-04
  • [PATCH RESEND v2 48/51] proc: sysctl: don't hold the tables while readdir copies to userspace 2026-11-04
  • [PATCH RESEND v2 49/51] selftests/proc: check that faulting sysctl accesses don't hold up removal 2026-11-04
  • [PATCH RESEND v2 50/51] proc: don't pin a symlink's entry while readlink() copies it out 2026-11-04
  • [PATCH RESEND v2 51/51] selftests/proc: check that a faulting readlink() doesn't hold up removal 2026-11-04
  2026-11-04 · Christian Brauner <brauner@kernel.org>
• proc: drop the __user methods rfc · 5 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC 1/5] proc: drop ->proc_write() 2026-11-02
  • [PATCH RFC 2/5] proc: drop ->proc_ioctl() and ->proc_compat_ioctl() 2026-11-02
  • [PATCH RFC 3/5] proc: only let permanent entries read straight into userspace 2026-11-02
  • [PATCH RFC 4/5] proc: rename ->proc_read() and ->proc_read_iter() 2026-11-02
  • [PATCH RFC 5/5] proc: drop the _buf suffix from the new methods 2026-11-02
  2026-11-02 · Christian Brauner <brauner@kernel.org>
• proc: convert the fs, kernel and mm entries rfc · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC 27/27] selftests/proc: check that unloading configs doesn't wait for a reader 2026-11-02
  2026-11-02 · Christian Brauner <brauner@kernel.org>
• proc: convert the driver entries rfc · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC 11/23] selftests/proc: check that a faulting writer doesn't hold up removal 2026-11-02
  2026-11-02 · Christian Brauner <brauner@kernel.org>
• proc: let procfs own the data path rfc · 13 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC 01/16] proc: drop the compat file operations 2026-11-02
  • [PATCH RFC 02/16] proc: add pde_pin() and pde_unpin() 2026-11-02
  • [PATCH RFC 03/16] proc: make room for more entry flags 2026-11-02
  • [PATCH RFC 04/16] proc: let procfs own the seq_file of seq_file entries 2026-11-02
  • [PATCH RFC 05/16] proc: let procfs own the seq_file of proc_create_seq() and friends 2026-11-02
  • [PATCH RFC 07/16] treewide: let procfs own the seq_file of simple proc entries 2026-11-02
  • [PATCH RFC 08/16] selftests/proc: check that a faulting reader doesn't hold up removal 2026-11-02
  • [PATCH RFC 10/16] proc: let procfs own the seq_file of /proc/stat 2026-11-02
  • [PATCH RFC 11/16] proc: let procfs copy in writes before pinning the entry 2026-11-02
  • [PATCH RFC 12/16] proc: copy in writes to the network namespace entries before pinning 2026-11-02
  • [PATCH RFC 13/16] proc: let procfs copy out reads that don't go through seq_file 2026-11-02
  • [PATCH RFC 14/16] fs/proc/vmcore: let procfs copy out reads 2026-11-02
  • [PATCH RFC 15/16] proc: let procfs copy ioctl arguments in and out 2026-11-02
  2026-11-02 · Christian Brauner <brauner@kernel.org>
• proc: fix a few old bugs in /proc handlers rfc · 16 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC 16/38] proc: don't walk through a non-directory when resolving a name 2026-11-02
  • [PATCH RFC 18/38] proc: don't WARN about a name that is already registered 2026-11-02
  • [PATCH RFC 19/38] proc: resume readdir after the last name it returned 2026-11-02
  • [PATCH RFC 20/38] selftests/proc: check a /proc listing while entries come and go 2026-11-02
  • [PATCH RFC 21/38] proc: let proc_remove() remove the entry it was given 2026-11-02
  • [PATCH RFC 22/38] proc: warn about entries left in /proc/net of a dying namespace 2026-11-02
  • [PATCH RFC 23/38] proc: don't let NOMMU map procfs files 2026-11-02
  • [PATCH RFC 24/38] proc/vmcore: don't let vmcore_cleanup() run twice at once 2026-11-02
  • [PATCH RFC 31/38] proc: sysctl: resume readdir after the last name it returned 2026-11-02
  • [PATCH RFC 32/38] selftests/proc: check a sysctl listing while entries come and go 2026-11-02
  • [PATCH RFC 33/38] proc: sysctl: copy to and from userspace without holding the table 2026-11-02
  • [PATCH RFC 34/38] proc: sysctl: look at the table under sysctl_lock when creating an inode 2026-11-02
  • [PATCH RFC 35/38] proc: sysctl: don't hold the tables while readdir copies to userspace 2026-11-02
  • [PATCH RFC 36/38] selftests/proc: check that faulting sysctl accesses don't hold up removal 2026-11-02
  • [PATCH RFC 37/38] proc: don't pin a symlink's entry while readlink() copies it out 2026-11-02
  • [PATCH RFC 38/38] selftests/proc: check that a faulting readlink() doesn't hold up removal 2026-11-02
  2026-11-02 · Christian Brauner <brauner@kernel.org>
• UUID and GUID user and group ids (*_r system calls) v2 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH v2 26/41] proc: show UUID and GUID ids in status, accept them for loginuid 2026-10-21
  2026-10-21 · Jan Koester <hidden>
• ext4: improve mballoc statistics reporting and control v6 · 1 matching patch

  Entire posting: PENDING · 2 of 3 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v6 v6 3/3] ext4: allow controlling mballoc stats through proc mb_stats 2026-05-24
  2026-05-24 · Baolin Liu <hidden>
• fs: replace __get_free_pages() call with kmalloc() v1 · 1 matching patch

  Entire posting: LANDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 02/17] proc: replace __get_free_page() with kmalloc() 2026-05-23
  2026-05-23 · Mike Rapoport (Microsoft) <rppt@kernel.org>
• ext4: improve mballoc statistics reporting and control v5 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 v5 3/3] ext4: allow controlling mballoc stats through proc mb_stats 2026-05-22
  2026-05-22 · Baolin Liu <hidden>
• ext4: improve mballoc statistics reporting and control v4 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 v4 3/3] ext4: allow controlling mballoc stats through proc mb_stats 2026-05-08
  2026-05-08 · Baolin Liu <hidden>
• add blocks_allocated to mb_stats and clear mb_stats v3 · 1 matching patch

  Entire posting: REVIEWED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 v3 2/2] ext4: allow clearing mballoc stats through mb_stats 2026-04-22
  2026-04-22 · Baolin Liu <hidden>
• lift lookup out of exclive lock for dir ops rfc · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 04/53] VFS: use global wait-queue table for d_alloc_parallel() 2026-03-12
  2026-03-12 · NeilBrown <hidden>
• vfs: change inode->i_ino from unsigned long to u64 v3 · 1 matching patch

  Entire posting: LANDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 12/12] treewide: change inode->i_ino from unsigned long to u64 2026-03-04
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• vfs: change inode->i_ino from unsigned long to u64 v2 · 2 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 014/110] proc: use PRIino format for i_ino 2026-03-02
  • [PATCH v2 067/110] proc: replace PRIino with %llu/%llx format strings 2026-03-02
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• vfs: change inode->i_ino from unsigned long to u64 v1 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 16/61] proc: update /proc/PID/maps for u64 i_ino 2026-02-26
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• fs/dax: Fix ZONE_DEVICE page reference counts v6 · 1 matching patch

  Entire posting: SUPERSEDED · 1 review, 1 by a maintainer Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v6 19/26] proc/task_mmu: Mark devdax and fsdax pages as always unpinned 2025-01-10
  2025-01-10 · Alistair Popple <apopple@nvidia.com>
• fs/dax: Fix ZONE_DEVICE page reference counts v5 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 19/25] proc/task_mmu: Mark devdax and fsdax pages as always unpinned 2025-01-07
  2025-01-07 · Alistair Popple <apopple@nvidia.com>
• fs/dax: Fix ZONE_DEVICE page reference counts v4 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 19/25] proc/task_mmu: Ignore ZONE_DEVICE pages 2024-12-17
  2024-12-17 · Alistair Popple <apopple@nvidia.com>
• fs/dax: Fix ZONE_DEVICE page reference counts v3 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 18/25] proc/task_mmu: Ignore ZONE_DEVICE pages 2024-11-22
  2024-11-22 · Alistair Popple <apopple@nvidia.com>
• symlink length caching v3 · 1 matching patch

  Entire posting: LANDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 1/3] vfs: support caching symlink lengths in inodes 2024-11-20
  2024-11-20 · Mateusz Guzik <hidden>
• symlink length caching v2 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 1/3] vfs: support caching symlink lengths in inodes 2024-11-19
  2024-11-19 · Mateusz Guzik <hidden>
• fs/dax: Fix FS DAX page reference counts v1 · 1 matching patch

  Entire posting: PENDING · 3 of 13 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 09/12] mm: Update vm_normal_page() callers to accept FS DAX pages 2024-09-10
  2024-09-10 · Alistair Popple <apopple@nvidia.com>
• [PATCH 09/13] procfs: move dropping pde and pid from ->evict_inode() to ->free_inode() 2024-02-04 · Al Viro <viro@zeniv.linux.org.uk>
• [PATCH 10/13] procfs: make freeing proc_fs_info rcu-delayed 2024-02-04 · Al Viro <viro@zeniv.linux.org.uk>