221 static void sugov_get_util(struct sugov_cpu *sg_cpu, unsigned long boost)  in sugov_get_util()  argument
228 	util = max(util, boost);  in sugov_get_util()
234  * sugov_iowait_reset() - Reset the IO boost status of a CPU.
235  * @sg_cpu: the sugov data for the CPU to boost
237  * @set_iowait_boost: true if an IO boost has been requested
239  * The IO wait boost of a task is disabled after a tick since the last update
240  * of a CPU. If a new IO wait boost is requested after more then a tick, then
241  * we enable the boost starting from IOWAIT_BOOST_MIN, which improves energy
249 	/* Reset boost only if a tick has elapsed since last request */  in sugov_iowait_reset()
260  * sugov_iowait_boost() - Updates the IO boost status of a CPU.
261  * @sg_cpu: the sugov data for the CPU to boost
270  * To keep doubling, an IO boost has to be requested at least once per tick,
278 	/* Reset boost if the CPU appears to have been idle enough */  in sugov_iowait_boost()
283 	/* Boost only tasks waking up after IO */  in sugov_iowait_boost()
287 	/* Ensure boost doubles only one time at each request */  in sugov_iowait_boost()
292 	/* Double the boost at each request */  in sugov_iowait_boost()
299 	/* First wakeup after IO: start with minimum boost */  in sugov_iowait_boost()
304  * sugov_iowait_apply() - Apply the IO boost to a CPU.
305  * @sg_cpu: the sugov data for the cpu to boost
311  * The IO boost value is increased each time a task wakes up from IO, in
316  * its IO boost utilization reset.
318  * This mechanism is designed to boost high frequently IO waiting tasks, while
324 	/* No boost currently required */  in sugov_iowait_apply()
328 	/* Reset boost if the CPU appears to have been idle enough */  in sugov_iowait_apply()
334 		 * No boost pending; reduce the boost value.  in sugov_iowait_apply()
398 	unsigned long boost;  in sugov_update_single_common()  local
408 	boost = sugov_iowait_apply(sg_cpu, time, max_cap);  in sugov_update_single_common()
409 	sugov_get_util(sg_cpu, boost);  in sugov_update_single_common()
497 		unsigned long boost;  in sugov_next_freq_shared()  local
499 		boost = sugov_iowait_apply(j_sg_cpu, time, max_cap);  in sugov_next_freq_shared()
500 		sugov_get_util(j_sg_cpu, boost);  in sugov_next_freq_shared()