From: tip-bot for Sha Zhengju <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, handai.szj@taobao.com,
hpa@zytor.com, mingo@kernel.org, a.p.zijlstra@chello.nl,
tglx@linutronix.de
Subject: [tip:sched/urgent] sched/core: Remove the obsolete and unused nr_uninterruptible() function
Date: Wed, 20 Feb 2013 06:00:32 -0800 [thread overview]
Message-ID: <tip-1c3e826482ab698e418c7a894440e62c76aac893@git.kernel.org> (raw)
In-Reply-To: <1361351678-8065-1-git-send-email-handai.szj@taobao.com>
Commit-ID: 1c3e826482ab698e418c7a894440e62c76aac893
Gitweb: http://git.kernel.org/tip/1c3e826482ab698e418c7a894440e62c76aac893
Author: Sha Zhengju <handai.szj@taobao.com>
AuthorDate: Wed, 20 Feb 2013 17:14:38 +0800
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 20 Feb 2013 11:39:24 +0100
sched/core: Remove the obsolete and unused nr_uninterruptible() function
Signed-off-by: Sha Zhengju <handai.szj@taobao.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1361351678-8065-1-git-send-email-handai.szj@taobao.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
include/linux/sched.h | 1 -
kernel/sched/core.c | 22 ++--------------------
2 files changed, 2 insertions(+), 21 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 33cc421..f9ca237d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -98,7 +98,6 @@ extern int nr_threads;
DECLARE_PER_CPU(unsigned long, process_counts);
extern int nr_processes(void);
extern unsigned long nr_running(void);
-extern unsigned long nr_uninterruptible(void);
extern unsigned long nr_iowait(void);
extern unsigned long nr_iowait_cpu(int cpu);
extern unsigned long this_cpu_load(void);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 03d7784..b7b03cd 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1969,11 +1969,10 @@ context_switch(struct rq *rq, struct task_struct *prev,
}
/*
- * nr_running, nr_uninterruptible and nr_context_switches:
+ * nr_running and nr_context_switches:
*
* externally visible scheduler statistics: current number of runnable
- * threads, current number of uninterruptible-sleeping threads, total
- * number of context switches performed since bootup.
+ * threads, total number of context switches performed since bootup.
*/
unsigned long nr_running(void)
{
@@ -1985,23 +1984,6 @@ unsigned long nr_running(void)
return sum;
}
-unsigned long nr_uninterruptible(void)
-{
- unsigned long i, sum = 0;
-
- for_each_possible_cpu(i)
- sum += cpu_rq(i)->nr_uninterruptible;
-
- /*
- * Since we read the counters lockless, it might be slightly
- * inaccurate. Do not allow it to go below zero though:
- */
- if (unlikely((long)sum < 0))
- sum = 0;
-
- return sum;
-}
-
unsigned long long nr_context_switches(void)
{
int i;
prev parent reply other threads:[~2013-02-20 14:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-20 7:37 [PATCH] sched/core: remove obsolete nr_uninterruptible() Sha Zhengju
2013-02-20 8:21 ` [PATCH V2] " Sha Zhengju
2013-02-20 8:31 ` [PATCH] " Xiaotian Feng
2013-02-20 9:05 ` Sha Zhengju
2013-02-20 9:14 ` [PATCH V3] " Sha Zhengju
2013-02-20 14:00 ` tip-bot for Sha Zhengju [this message]
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