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| author | Tejun Heo <[email protected]> | 2014-05-16 17:22:52 +0000 |
|---|---|---|
| committer | Tejun Heo <[email protected]> | 2014-05-16 17:22:52 +0000 |
| commit | 6f4524d355a86769b65d5420a6ef47fb0bba9b72 (patch) | |
| tree | b0edfe7bfc0a20173041aa8811acf4629ccb020d /tools/perf/scripts/python | |
| parent | device_cgroup: use css_has_online_children() instead of has_children() (diff) | |
| download | kernel-6f4524d355a86769b65d5420a6ef47fb0bba9b72.tar.gz kernel-6f4524d355a86769b65d5420a6ef47fb0bba9b72.zip | |
cgroup: implement css_tryget()
Implement css_tryget() which tries to grab a cgroup_subsys_state's
reference as long as it already hasn't reached zero. Combined with
the recent css iterator changes to include offline && !released csses
during traversal, this can be used to access csses regardless of its
online state.
v2: Take the new flag CSS_NO_REF into account.
Signed-off-by: Tejun Heo <[email protected]>
Acked-by: Li Zefan <[email protected]>
Cc: Johannes Weiner <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions