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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2013-04-24 17:12:54 +0530 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-05-14 10:50:06 -0700 |
| commit | 0668106ca3865ba945e155097fb042bf66d364d3 (patch) | |
| tree | fbd6adfc2ae2f3c2b7fe7ad66d82cd7c64a001fb /include/linux/workqueue.h | |
| parent | cee22a15052faa817e3ec8985a28154d3fabc7aa (diff) | |
| download | lwn-0668106ca3865ba945e155097fb042bf66d364d3.tar.gz lwn-0668106ca3865ba945e155097fb042bf66d364d3.zip | |
workqueue: Add system wide power_efficient workqueues
This patch adds system wide workqueues aligned towards power saving. This is
done by allocating them with WQ_UNBOUND flag if 'wq_power_efficient' is set to
'true'.
tj: updated comments a bit.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/workqueue.h')
| -rw-r--r-- | include/linux/workqueue.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index fc0136b604f2..a9f4119c7e2e 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -360,11 +360,19 @@ enum { * * system_freezable_wq is equivalent to system_wq except that it's * freezable. + * + * *_power_efficient_wq are inclined towards saving power and converted + * into WQ_UNBOUND variants if 'wq_power_efficient' is enabled; otherwise, + * they are same as their non-power-efficient counterparts - e.g. + * system_power_efficient_wq is identical to system_wq if + * 'wq_power_efficient' is disabled. See WQ_POWER_EFFICIENT for more info. */ extern struct workqueue_struct *system_wq; extern struct workqueue_struct *system_long_wq; extern struct workqueue_struct *system_unbound_wq; extern struct workqueue_struct *system_freezable_wq; +extern struct workqueue_struct *system_power_efficient_wq; +extern struct workqueue_struct *system_freezable_power_efficient_wq; static inline struct workqueue_struct * __deprecated __system_nrt_wq(void) { |