staging: android: lowmemorykiller: implement task's adj rbtree
staging: android: lmk: check free memory when tasks switch to background
HACK: selinux: Make sure valid sk->sk_security
workqueues: Introduce new flag WQ_POWER_EFFICIENT
workqueue: Add system wide power_efficient
block: queue work on power efficient wq
PHYLIB: queue work on system_power_efficient_wq
ASoC: pcm: Use the power efficient workqueue for delayed powerdown
regulator: core: Use the power efficient workqueue for delayed powerdown
ASoC: jack: Use power efficient workqueue
dogo: enable WQ_POWER_EFFICIENT as default
lib: Optimized ARM RWSEM algorithm
cortex-a15: change compilation flag for optimization
msm: mdss: fix type and change debug output level