[tip:sched/core] sched: Consolidate account_system_vtime extern declaration

tip-bot for Venkatesh Pallipadi
2010-10-18T19:25:29Z

Commit-ID: e1e10a265d28273ab8c70be19d43dcbdeead6c5a
Gitweb: http://git.kernel.org/tip/e1e10a265d28273ab8c70be19d43dcbdeead6c5a
Author: Venkatesh Pallipadi <venki@google.com>
AuthorDate: Mon, 4 Oct 2010 17:03:17 -0700
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 18 Oct 2010 20:52:21 +0200

sched: Consolidate account_system_vtime extern declaration

Just a minor cleanup patch that makes things easier to the following patches.
No functionality change in this patch.

Signed-off-by: Venkatesh Pallipadi <venki@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1286237003-12406-3-git-send-email-venki@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/ia64/include/asm/system.h | 4 ----
arch/powerpc/include/asm/system.h | 4 ----
arch/s390/include/asm/system.h | 1 -
include/linux/hardirq.h | 2 ++
4 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/arch/ia64/include/asm/system.h b/arch/ia64/include/asm/system.h
index 9f342a5..dd028f2 100644
--- a/arch/ia64/include/asm/system.h
+++ b/arch/ia64/include/asm/system.h
@@ -272,10 +272,6 @@ void cpu_idle_wait(void);

void default_idle(void);

-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
-extern void account_system_vtime(struct task_struct *);
-#endif
-
#endif /* __KERNEL__ */

#endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h
index 6c294ac..9c3d160 100644
--- a/arch/powerpc/include/asm/system.h
+++ b/arch/powerpc/include/asm/system.h
@@ -542,10 +542,6 @@ extern void reloc_got2(unsigned long);

#define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x)))

-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
-extern void account_system_vtime(struct task_struct *);
-#endif
-
extern struct dentry *powerpc_debugfs_root;

#endif /* __KERNEL__ */
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index cef6621..38ddd8a 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -97,7 +97,6 @@ static inline void restore_access_regs(unsigned int *acrs)

extern void account_vtime(struct task_struct *, struct task_struct *);
extern void account_tick_vtime(struct task_struct *);
-extern void account_system_vtime(struct task_struct *);

#ifdef CONFIG_PFAULT
extern void pfault_irq_init(void);
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index e37a77c..41367c5 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -141,6 +141,8 @@ struct task_struct;
static inline void account_system_vtime(struct task_struct *tsk)
{
}
+#else
+extern void account_system_vtime(struct task_struct *tsk);
#endif

#if defined(CONFIG_NO_HZ)