linux-kernel - [PATCH 69/89] sched/headers: Move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>

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Date:   Mon,  6 Feb 2017 14:29:12 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mike Galbraith <efault@....de>,
        Oleg Nesterov <oleg@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 69/89] sched/headers: Move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>

These APIs are not core scheduler but statistics related.

Update usage sites.

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kvm/cpuid.c       |  2 ++
 arch/x86/kvm/x86.c         |  2 ++
 fs/proc/base.c             |  1 +
 include/linux/sched.h      | 16 ----------------
 include/linux/sched/stat.h | 16 ++++++++++++++++
 kernel/latencytop.c        |  1 +
 kernel/profile.c           |  2 ++
 7 files changed, 24 insertions(+), 16 deletions(-)

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index e85f6bd7b9d5..1639de8eb969 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -16,6 +16,8 @@
 #include <linux/export.h>
 #include <linux/vmalloc.h>
 #include <linux/uaccess.h>
+#include <linux/sched/stat.h>
+
 #include <asm/processor.h>
 #include <asm/user.h>
 #include <asm/fpu/xstate.h>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d153be8929a6..bd0ccc65a9ea 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -54,6 +54,8 @@
 #include <linux/pvclock_gtod.h>
 #include <linux/kvm_irqfd.h>
 #include <linux/irqbypass.h>
+#include <linux/sched/stat.h>
+
 #include <trace/events/kvm.h>
 
 #include <asm/debugreg.h>
diff --git a/fs/proc/base.c b/fs/proc/base.c
index cc39b88610a9..82661e386f73 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -89,6 +89,7 @@
 #include <linux/sched/mm.h>
 #include <linux/sched/coredump.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/stat.h>
 #include <linux/flex_array.h>
 #include <linux/posix-timers.h>
 #ifdef CONFIG_HARDWALL
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4d2ab113a02e..d93db434cbe2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -242,22 +242,6 @@ struct sched_info {
 };
 #endif /* CONFIG_SCHED_INFO */
 
-static inline int sched_info_on(void)
-{
-#ifdef CONFIG_SCHEDSTATS
-	return 1;
-#elif defined(CONFIG_TASK_DELAY_ACCT)
-	extern int delayacct_on;
-	return delayacct_on;
-#else
-	return 0;
-#endif
-}
-
-#ifdef CONFIG_SCHEDSTATS
-void force_schedstat_enabled(void);
-#endif
-
 /*
  * Integer metrics need fixed point arithmetic, e.g., sched/fair
  * has a few: load, load_avg, util_avg, freq, and capacity.
diff --git a/include/linux/sched/stat.h b/include/linux/sched/stat.h
index 851bc8639620..141b74c53fad 100644
--- a/include/linux/sched/stat.h
+++ b/include/linux/sched/stat.h
@@ -21,4 +21,20 @@ extern unsigned long nr_iowait(void);
 extern unsigned long nr_iowait_cpu(int cpu);
 extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);
 
+static inline int sched_info_on(void)
+{
+#ifdef CONFIG_SCHEDSTATS
+	return 1;
+#elif defined(CONFIG_TASK_DELAY_ACCT)
+	extern int delayacct_on;
+	return delayacct_on;
+#else
+	return 0;
+#endif
+}
+
+#ifdef CONFIG_SCHEDSTATS
+void force_schedstat_enabled(void);
+#endif
+
 #endif /* _LINUX_SCHED_STAT_H */
diff --git a/kernel/latencytop.c b/kernel/latencytop.c
index 545839b838d6..96b4179cee6a 100644
--- a/kernel/latencytop.c
+++ b/kernel/latencytop.c
@@ -56,6 +56,7 @@
 #include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/stat.h>
 #include <linux/list.h>
 #include <linux/stacktrace.h>
 
diff --git a/kernel/profile.c b/kernel/profile.c
index f67ce0aa6bc4..9aa2a4445b0d 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -25,6 +25,8 @@
 #include <linux/mutex.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
+#include <linux/sched/stat.h>
+
 #include <asm/sections.h>
 #include <asm/irq_regs.h>
 #include <asm/ptrace.h>
-- 
2.7.4