freezer · Supported

Maintainers

• M "Rafael J. Wysocki" <rafael@kernel.org>
• R Pavel Machek <pavel@kernel.org>

Paths

• F Documentation/power/freezing-of-tasks.rst
• F include/linux/freezer.h
• F kernel/freezer.c

Last 30 days

Active reviewers (last 30 days)

• 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
• Lorenzo Stoakes (ARM) <ljs@kernel.org>
  2 attestations (2 Reviewed-by) · last on 2026-09-21
• Oleg Nesterov <oleg@redhat.com>
  2 attestations (2 Reviewed-by) · last on 2026-09-21

Recent patches

Most-recent 6 patches in this subsystem on linux-trace-kernel, ordered by date desc.

• COOLING9d REVIEWED: 16 (16M) [PATCH v4 06/15] freezer: convert thread iterator to for_each_thread_rculock
  2026-09-21 · Ye Liu <hidden>
• COOLING14d REVIEWED: 16 (16M) [PATCH v3 06/15] freezer: convert thread iterator to for_each_thread_rculock
  2026-09-11 · Ye Liu <hidden>
• COLD21d REVIEWED: 4 (4M) [PATCH v2 5/8] kernel: convert process/thread iterators to for_each_*_rculock
  2026-09-07 · Ye Liu <hidden>
• COLD19d [PATCH 5/8] kernel: convert process/thread iterators to for_each_*_rcu
  2026-09-04 · Ye Liu <hidden>
• STALE433d [PATCH v5 3/3] treewide: Switch from tsk->comm to tsk->comm_str which is 64 bytes long
  2025-07-16 · Bhupesh <hidden>
• STALE520d [RFC][PATCH 2/2] treewide: Have the task->flags & PF_KTHREAD check use the helper functions
  2025-04-25 · Steven Rostedt <rostedt@goodmis.org>