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| author | Dongsheng Yang <yangds.fnst@cn.fujitsu.com> | 2014-01-27 22:00:45 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-02-09 15:28:23 +0100 |
| commit | d0ea026808ad81de2af14938448419a95211b938 (patch) | |
| tree | 217b1467d99ea3b5dbffe9754979ff4d033ef44c /kernel/sched/cputime.c | |
| parent | 6b6350f155afdfdf888e18c7bf26950a6d10b0c2 (diff) | |
| download | op-kernel-dev-d0ea026808ad81de2af14938448419a95211b938.zip op-kernel-dev-d0ea026808ad81de2af14938448419a95211b938.tar.gz | |
sched: Implement task_nice() as static inline function
As patch "sched: Move the priority specific bits into a new header file" exposes
the priority related macros in linux/sched/prio.h, we don't have to implement
task_nice() in kernel/sched/core.c any more.
This patch implements it in linux/sched/sched.h as static inline function,
saving the kernel stack and enhancing performance a bit.
Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Cc: clark.williams@gmail.com
Cc: rostedt@goodmis.org
Cc: raistlin@linux.it
Cc: juri.lelli@gmail.com
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1390878045-7096-1-git-send-email-yangds.fnst@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/cputime.c')
| -rw-r--r-- | kernel/sched/cputime.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 9994791..58624a6 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -142,7 +142,7 @@ void account_user_time(struct task_struct *p, cputime_t cputime, p->utimescaled += cputime_scaled; account_group_user_time(p, cputime); - index = (TASK_NICE(p) > 0) ? CPUTIME_NICE : CPUTIME_USER; + index = (task_nice(p) > 0) ? CPUTIME_NICE : CPUTIME_USER; /* Add user time to cpustat. */ task_group_account_field(p, index, (__force u64) cputime); @@ -169,7 +169,7 @@ static void account_guest_time(struct task_struct *p, cputime_t cputime, p->gtime += cputime; /* Add guest time to cpustat. */ - if (TASK_NICE(p) > 0) { + if (task_nice(p) > 0) { cpustat[CPUTIME_NICE] += (__force u64) cputime; cpustat[CPUTIME_GUEST_NICE] += (__force u64) cputime; } else { |
