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| author | Sha Zhengju <handai.szj@taobao.com> | 2013-02-20 17:14:38 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-02-20 11:39:24 +0100 |
| commit | 1c3e826482ab698e418c7a894440e62c76aac893 (patch) | |
| tree | 308b6ec83faaf1185c937ef4d2a5387bef00ff99 | |
| parent | ece8e0b2f9c980e5511fe8db2d68c6f1859b9d83 (diff) | |
| download | linux-1c3e826482ab698e418c7a894440e62c76aac893.tar.gz linux-1c3e826482ab698e418c7a894440e62c76aac893.tar.bz2 linux-1c3e826482ab698e418c7a894440e62c76aac893.zip | |
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>
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | 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 33cc42130371..f9ca237df7e8 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 03d7784b7bd2..b7b03cd2d4cd 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; |