[PATCH v3] cgroup/freezer: add per freezer duty ratio control

[jacob.jun.pan at linux.intel.com]

From: Jacob Pan <jacob.jun.pan at linux.intel.com>

Changelog:
v3:	- added documentation

v2:
	- use read_u64/write_u64 instead of string read/write
	- use period in second instead of ms
	- renamed duty_ratio to duty_ratio_pct, be more specific
	- removed locking around period and duty_ratio reads


Jacob Pan (1):
  cgroup/freezer: add per freezer duty ratio control

 Documentation/cgroups/freezer-subsystem.txt |   23 ++++++
 kernel/cgroup_freezer.c                     |  109 ++++++++++++++++++++++++++-
 2 files changed, 130 insertions(+), 2 deletions(-)