ANDROID: sched: export update_misfit_status symbol

Chungkai Mei · toddkjos · commit 10558542a1f4 · 2024-01-30T18:46:55.000Z
Current scheduler cannot update misfit status immediately when we set uclamp min for some latency-sensitive tasks, it may cause some latency for these tasks so we may need to update misfit status in vendor kernel.

Bug: 318526590
Change-Id: I0f03d2e52588822d1a9ef9a5f24944dff4f4e4a0
Signed-off-by: Chungkai Mei &lt;chungkai@google.com&gt;
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
@@ -4574,7 +4574,7 @@ static inline int task_fits_cpu(struct task_struct *p, int cpu)
 	return (util_fits_cpu(util, uclamp_min, uclamp_max, cpu) > 0);
 }
 
-static inline void update_misfit_status(struct task_struct *p, struct rq *rq)
+inline void update_misfit_status(struct task_struct *p, struct rq *rq)
 {
 	bool need_update = true;
 
@@ -4598,6 +4598,7 @@ static inline void update_misfit_status(struct task_struct *p, struct rq *rq)
 	 */
 	rq->misfit_task_load = max_t(unsigned long, task_h_load(p), 1);
 }
+EXPORT_SYMBOL_GPL(update_misfit_status);
 
 #else /* CONFIG_SMP */
 

Original file line number	Diff line number	Diff line change
`@@ -4574,7 +4574,7 @@ static inline int task_fits_cpu(struct task_struct *p, int cpu)`
`4574`	`4574`	`return (util_fits_cpu(util, uclamp_min, uclamp_max, cpu) > 0);`
`4575`	`4575`	`}`
`4576`	`4576`
`4577`		`-static inline void update_misfit_status(struct task_struct p, struct rq rq)`
	`4577`	`+inline void update_misfit_status(struct task_struct p, struct rq rq)`
`4578`	`4578`	`{`
`4579`	`4579`	`bool need_update = true;`
`4580`	`4580`
`@@ -4598,6 +4598,7 @@ static inline void update_misfit_status(struct task_struct p, struct rq rq)`
`4598`	`4598`	`*/`
`4599`	`4599`	`rq->misfit_task_load = max_t(unsigned long, task_h_load(p), 1);`
`4600`	`4600`	`}`
	`4601`	`+EXPORT_SYMBOL_GPL(update_misfit_status);`
`4601`	`4602`
`4602`	`4603`	`#else /* CONFIG_SMP */`
`4603`	`4604`