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-rw-r--r--include/linux/sched/autogroup.h1
-rw-r--r--include/linux/sched/clock.h1
-rw-r--r--include/linux/sched/coredump.h1
-rw-r--r--include/linux/sched/cpufreq.h1
-rw-r--r--include/linux/sched/cputime.h4
-rw-r--r--include/linux/sched/deadline.h1
-rw-r--r--include/linux/sched/debug.h1
-rw-r--r--include/linux/sched/hotplug.h1
-rw-r--r--include/linux/sched/idle.h1
-rw-r--r--include/linux/sched/init.h1
-rw-r--r--include/linux/sched/isolation.h51
-rw-r--r--include/linux/sched/jobctl.h1
-rw-r--r--include/linux/sched/loadavg.h1
-rw-r--r--include/linux/sched/mm.h1
-rw-r--r--include/linux/sched/nohz.h1
-rw-r--r--include/linux/sched/numa_balancing.h1
-rw-r--r--include/linux/sched/prio.h1
-rw-r--r--include/linux/sched/rt.h12
-rw-r--r--include/linux/sched/signal.h1
-rw-r--r--include/linux/sched/stat.h1
-rw-r--r--include/linux/sched/sysctl.h7
-rw-r--r--include/linux/sched/task.h1
-rw-r--r--include/linux/sched/task_stack.h1
-rw-r--r--include/linux/sched/topology.h1
-rw-r--r--include/linux/sched/user.h1
-rw-r--r--include/linux/sched/wake_q.h1
-rw-r--r--include/linux/sched/xacct.h1
27 files changed, 93 insertions, 4 deletions
diff --git a/include/linux/sched/autogroup.h b/include/linux/sched/autogroup.h
index 55cd496df884..704391cc1d20 100644
--- a/include/linux/sched/autogroup.h
+++ b/include/linux/sched/autogroup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_AUTOGROUP_H
#define _LINUX_SCHED_AUTOGROUP_H
diff --git a/include/linux/sched/clock.h b/include/linux/sched/clock.h
index a55600ffdf4b..867d588314e0 100644
--- a/include/linux/sched/clock.h
+++ b/include/linux/sched/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_CLOCK_H
#define _LINUX_SCHED_CLOCK_H
diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index 98ae0d05aa32..9c8847395b5e 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_COREDUMP_H
#define _LINUX_SCHED_COREDUMP_H
diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h
index d2be2ccbb372..d1ad3d825561 100644
--- a/include/linux/sched/cpufreq.h
+++ b/include/linux/sched/cpufreq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_CPUFREQ_H
#define _LINUX_SCHED_CPUFREQ_H
diff --git a/include/linux/sched/cputime.h b/include/linux/sched/cputime.h
index 4c5b9735c1ae..53f883f5a2fd 100644
--- a/include/linux/sched/cputime.h
+++ b/include/linux/sched/cputime.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_CPUTIME_H
#define _LINUX_SCHED_CPUTIME_H
@@ -53,7 +54,8 @@ static inline void task_cputime_scaled(struct task_struct *t,
extern void task_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
extern void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
-
+extern void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
+ u64 *ut, u64 *st);
/*
* Thread group CPU time accounting.
diff --git a/include/linux/sched/deadline.h b/include/linux/sched/deadline.h
index 975be862e083..a5bc8728ead7 100644
--- a/include/linux/sched/deadline.h
+++ b/include/linux/sched/deadline.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_DEADLINE_H
#define _LINUX_SCHED_DEADLINE_H
diff --git a/include/linux/sched/debug.h b/include/linux/sched/debug.h
index 5d58d49e9f87..95fb9e025247 100644
--- a/include/linux/sched/debug.h
+++ b/include/linux/sched/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_DEBUG_H
#define _LINUX_SCHED_DEBUG_H
diff --git a/include/linux/sched/hotplug.h b/include/linux/sched/hotplug.h
index 752ac7e628d7..9a62ffdd296f 100644
--- a/include/linux/sched/hotplug.h
+++ b/include/linux/sched/hotplug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_HOTPLUG_H
#define _LINUX_SCHED_HOTPLUG_H
diff --git a/include/linux/sched/idle.h b/include/linux/sched/idle.h
index 5ca63ebad6b4..22873d276be6 100644
--- a/include/linux/sched/idle.h
+++ b/include/linux/sched/idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_IDLE_H
#define _LINUX_SCHED_IDLE_H
diff --git a/include/linux/sched/init.h b/include/linux/sched/init.h
index 127215045285..03542575fd33 100644
--- a/include/linux/sched/init.h
+++ b/include/linux/sched/init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_INIT_H
#define _LINUX_SCHED_INIT_H
diff --git a/include/linux/sched/isolation.h b/include/linux/sched/isolation.h
new file mode 100644
index 000000000000..d849431c8060
--- /dev/null
+++ b/include/linux/sched/isolation.h
@@ -0,0 +1,51 @@
+#ifndef _LINUX_SCHED_ISOLATION_H
+#define _LINUX_SCHED_ISOLATION_H
+
+#include <linux/cpumask.h>
+#include <linux/init.h>
+#include <linux/tick.h>
+
+enum hk_flags {
+ HK_FLAG_TIMER = 1,
+ HK_FLAG_RCU = (1 << 1),
+ HK_FLAG_MISC = (1 << 2),
+ HK_FLAG_SCHED = (1 << 3),
+ HK_FLAG_TICK = (1 << 4),
+ HK_FLAG_DOMAIN = (1 << 5),
+};
+
+#ifdef CONFIG_CPU_ISOLATION
+DECLARE_STATIC_KEY_FALSE(housekeeping_overriden);
+extern int housekeeping_any_cpu(enum hk_flags flags);
+extern const struct cpumask *housekeeping_cpumask(enum hk_flags flags);
+extern void housekeeping_affine(struct task_struct *t, enum hk_flags flags);
+extern bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
+extern void __init housekeeping_init(void);
+
+#else
+
+static inline int housekeeping_any_cpu(enum hk_flags flags)
+{
+ return smp_processor_id();
+}
+
+static inline const struct cpumask *housekeeping_cpumask(enum hk_flags flags)
+{
+ return cpu_possible_mask;
+}
+
+static inline void housekeeping_affine(struct task_struct *t,
+ enum hk_flags flags) { }
+static inline void housekeeping_init(void) { }
+#endif /* CONFIG_CPU_ISOLATION */
+
+static inline bool housekeeping_cpu(int cpu, enum hk_flags flags)
+{
+#ifdef CONFIG_CPU_ISOLATION
+ if (static_branch_unlikely(&housekeeping_overriden))
+ return housekeeping_test_cpu(cpu, flags);
+#endif
+ return true;
+}
+
+#endif /* _LINUX_SCHED_ISOLATION_H */
diff --git a/include/linux/sched/jobctl.h b/include/linux/sched/jobctl.h
index 016afa0fb3bb..98228bd48aee 100644
--- a/include/linux/sched/jobctl.h
+++ b/include/linux/sched/jobctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_JOBCTL_H
#define _LINUX_SCHED_JOBCTL_H
diff --git a/include/linux/sched/loadavg.h b/include/linux/sched/loadavg.h
index 4264bc6b2c27..80bc84ba5d2a 100644
--- a/include/linux/sched/loadavg.h
+++ b/include/linux/sched/loadavg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_LOADAVG_H
#define _LINUX_SCHED_LOADAVG_H
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index ab9bf7b73954..3d49b91b674d 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_MM_H
#define _LINUX_SCHED_MM_H
diff --git a/include/linux/sched/nohz.h b/include/linux/sched/nohz.h
index 028d17b918a7..3d3a97d9399d 100644
--- a/include/linux/sched/nohz.h
+++ b/include/linux/sched/nohz.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_NOHZ_H
#define _LINUX_SCHED_NOHZ_H
diff --git a/include/linux/sched/numa_balancing.h b/include/linux/sched/numa_balancing.h
index 35d5fc77b4be..e7dd04a84ba8 100644
--- a/include/linux/sched/numa_balancing.h
+++ b/include/linux/sched/numa_balancing.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_NUMA_BALANCING_H
#define _LINUX_SCHED_NUMA_BALANCING_H
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index 2cc450f6ec54..7d64feafc408 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_PRIO_H
#define _LINUX_SCHED_PRIO_H
diff --git a/include/linux/sched/rt.h b/include/linux/sched/rt.h
index f93329aba31a..e5af028c08b4 100644
--- a/include/linux/sched/rt.h
+++ b/include/linux/sched/rt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_RT_H
#define _LINUX_SCHED_RT_H
@@ -17,6 +18,17 @@ static inline int rt_task(struct task_struct *p)
return rt_prio(p->prio);
}
+static inline bool task_is_realtime(struct task_struct *tsk)
+{
+ int policy = tsk->policy;
+
+ if (policy == SCHED_FIFO || policy == SCHED_RR)
+ return true;
+ if (policy == SCHED_DEADLINE)
+ return true;
+ return false;
+}
+
#ifdef CONFIG_RT_MUTEXES
/*
* Must hold either p->pi_lock or task_rq(p)->lock.
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 2a0dd40b15db..0aa4548fb492 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_SIGNAL_H
#define _LINUX_SCHED_SIGNAL_H
diff --git a/include/linux/sched/stat.h b/include/linux/sched/stat.h
index 141b74c53fad..04f1321d14c4 100644
--- a/include/linux/sched/stat.h
+++ b/include/linux/sched/stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_STAT_H
#define _LINUX_SCHED_STAT_H
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index 0f5ecd4d298e..1c1a1512ec55 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_SYSCTL_H
#define _LINUX_SCHED_SYSCTL_H
@@ -37,9 +38,9 @@ extern unsigned int sysctl_numa_balancing_scan_period_max;
extern unsigned int sysctl_numa_balancing_scan_size;
#ifdef CONFIG_SCHED_DEBUG
-extern unsigned int sysctl_sched_migration_cost;
-extern unsigned int sysctl_sched_nr_migrate;
-extern unsigned int sysctl_sched_time_avg;
+extern __read_mostly unsigned int sysctl_sched_migration_cost;
+extern __read_mostly unsigned int sysctl_sched_nr_migrate;
+extern __read_mostly unsigned int sysctl_sched_time_avg;
int sched_proc_update_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *length,
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index 79a2a744648d..05b8650f06f5 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_TASK_H
#define _LINUX_SCHED_TASK_H
diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
index df6ea6665b31..cb4828aaa34f 100644
--- a/include/linux/sched/task_stack.h
+++ b/include/linux/sched/task_stack.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_TASK_STACK_H
#define _LINUX_SCHED_TASK_STACK_H
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index 7d065abc7a47..cf257c2e728d 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_TOPOLOGY_H
#define _LINUX_SCHED_TOPOLOGY_H
diff --git a/include/linux/sched/user.h b/include/linux/sched/user.h
index 3c07e4135127..0dcf4e480ef7 100644
--- a/include/linux/sched/user.h
+++ b/include/linux/sched/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_USER_H
#define _LINUX_SCHED_USER_H
diff --git a/include/linux/sched/wake_q.h b/include/linux/sched/wake_q.h
index d03d8a9047dc..10b19a192b2d 100644
--- a/include/linux/sched/wake_q.h
+++ b/include/linux/sched/wake_q.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_WAKE_Q_H
#define _LINUX_SCHED_WAKE_Q_H
diff --git a/include/linux/sched/xacct.h b/include/linux/sched/xacct.h
index a28156a0d34a..c078f0a94cec 100644
--- a/include/linux/sched/xacct.h
+++ b/include/linux/sched/xacct.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_XACCT_H
#define _LINUX_SCHED_XACCT_H
generated by cgit (git 2.34.1) at 2024-05-25 10:54:37 +0000