blob: c08d9d0cc0377a684970acf6c258b4eec680066a (
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tree)
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diff -ur a/init/Kconfig b/init/Kconfig
--- a/init/Kconfig 2022-04-20 17:30:09.904751692 -0500
+++ b/init/Kconfig 2022-04-20 17:32:51.173376197 -0500
@@ -814,35 +814,6 @@
menu "Scheduler features"
-menuconfig SCHED_ALT
- bool "Alternative CPU Schedulers"
- default y
- help
- This feature enable alternative CPU scheduler"
-
-if SCHED_ALT
-
-choice
- prompt "Alternative CPU Scheduler"
- default SCHED_BMQ
-
-config SCHED_BMQ
- bool "BMQ CPU scheduler"
- help
- The BitMap Queue CPU scheduler for excellent interactivity and
- responsiveness on the desktop and solid scalability on normal
- hardware and commodity servers.
-
-config SCHED_PDS
- bool "PDS CPU scheduler"
- help
- The Priority and Deadline based Skip list multiple queue CPU
- Scheduler.
-
-endchoice
-
-endif
-
config UCLAMP_TASK
bool "Enable utilization clamping for RT/FAIR tasks"
depends on CPU_FREQ_GOV_SCHEDUTIL
@@ -893,6 +864,35 @@
If in doubt, use the default value.
+menuconfig SCHED_ALT
+ bool "Alternative CPU Schedulers"
+ default y
+ help
+ This feature enable alternative CPU scheduler"
+
+if SCHED_ALT
+
+choice
+ prompt "Alternative CPU Scheduler"
+ default SCHED_BMQ
+
+config SCHED_BMQ
+ bool "BMQ CPU scheduler"
+ help
+ The BitMap Queue CPU scheduler for excellent interactivity and
+ responsiveness on the desktop and solid scalability on normal
+ hardware and commodity servers.
+
+config SCHED_PDS
+ bool "PDS CPU scheduler"
+ help
+ The Priority and Deadline based Skip list multiple queue CPU
+ Scheduler.
+
+endchoice
+
+endif
+
endmenu
#
diff -ur a/kernel/sched/alt_core.c b/kernel/sched/alt_core.c
--- a/kernel/sched/alt_core.c 2022-04-20 17:30:09.908751806 -0500
+++ b/kernel/sched/alt_core.c 2022-04-20 17:32:51.169376082 -0500
@@ -2954,7 +2954,7 @@
return 0;
}
-void sched_post_fork(struct task_struct *p, struct kernel_clone_args *kargs)
+void sched_cgroup_fork(struct task_struct *p, struct kernel_clone_args *kargs)
{
unsigned long flags;
struct rq *rq;
@@ -2997,6 +2997,13 @@
raw_spin_unlock_irqrestore(&p->pi_lock, flags);
}
+void sched_post_fork(struct task_struct *p)
+{
+#ifdef CONFIG_UCLAMP_TASK
+ uclamp_post_fork(p);
+#endif
+}
+
#ifdef CONFIG_SCHEDSTATS
DEFINE_STATIC_KEY_FALSE(sched_schedstats);
diff -ur a/kernel/sched/alt_sched.h b/kernel/sched/alt_sched.h
--- a/kernel/sched/alt_sched.h 2022-04-20 17:30:09.908751806 -0500
+++ b/kernel/sched/alt_sched.h 2022-04-20 17:32:51.173376197 -0500
@@ -653,6 +653,20 @@
}
#endif
+static inline
+unsigned long uclamp_rq_util_with(struct rq *rq, unsigned long boost,
+ struct task_struct *p)
+{
+ return boost;
+}
+
+static inline bool uclamp_rq_is_capped(struct rq *rq) { return false; }
+
+static inline bool uclamp_is_used(void)
+{
+ return false;
+}
+
extern void swake_up_all_locked(struct swait_queue_head *q);
extern void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait);
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