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Commit 1c3e8264 authored by Sha Zhengju's avatar Sha Zhengju Committed by Ingo Molnar
Browse files

sched/core: Remove the obsolete and unused nr_uninterruptible() function 



Signed-off-by: default avatarSha 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: default avatarIngo Molnar <mingo@kernel.org>
parent ece8e0b2

include/linux/sched.h

+0 −1
Original line number Diff line number Diff line
@@ -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);

kernel/sched/core.c

+2 −20
Original line number Diff line number Diff line
@@ -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;