cgroup: Annotate unlocked nr_populated_* accesses with READ_ONCE/WRITE_ONCE

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cgroup_update_populated() updates nr_populated_csets,
nr_populated_domain_children, and nr_populated_threaded_children under
css_set_lock, but cgroup_has_tasks(), cgroup_is_populated(), and
cgroup_can_be_thread_root() read them without holding it. Use
READ_ONCE/WRITE_ONCE.

Signed-off-by: Tejun Heo <tj@kernel.org>

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This commit is contained in:

Tejun Heo 2026-05-04 14:51:18 -10:00

parent 3360a5c16d

commit 44fabf0563

2 changed files with 24 additions and 8 deletions

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21

include/linux/cgroup.h

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11

kernel/cgroup/cgroup.c

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