Thread (6 messages) 6 messages, 5 authors, 2011-01-31

Re: [PATCH] Fix linux-next warning from abb74cef

From: Randy Dunlap <hidden>
Date: 2011-01-31 19:38:27
Also in: lkml

On Mon, 31 Jan 2011 11:12:43 -0800 Venkatesh Pallipadi wrote:
Yes. Patch below should fix the problem.

Fix below warning -
 Introduced by commit abb74cefa9c682fb38ba86c17ca3c86fed6cc464 ("sched:
 Export ns irqtimes through /proc/stat").

After merging the tip tree, today's linux-next build (powerpc
ppc64_defconfig) produced these warnings:

kernel/sched.c:3719: warning: 'irqtime_account_idle_ticks' defined but not =
used
kernel/sched.c:3720: warning: 'irqtime_account_process_tick' defined but no=
t used
[ugh on the '=' line continuations.]
quoted hunk ↗ jump to hunk
Reported-by: Stephen Rothwell <redacted>
Signed-off-by: Venkatesh Pallipadi <redacted>
---
 kernel/sched.c |   64 ++++++++++++++++++++++++++++----------------------------
 1 files changed, 32 insertions(+), 32 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 477e1bc..9a552bd 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3654,6 +3654,36 @@ void account_system_time(struct task_struct *p, int hardirq_offset,
 	__account_system_time(p, cputime, cputime_scaled, target_cputime64);
 }
 
+/*
+ * Account for involuntary wait time.
+ * @steal: the cpu time spent in involuntary wait
I see that you only moved this code, but please change @steal to @cputime also.
+ */
+void account_steal_time(cputime_t cputime)
+{
+	struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
+	cputime64_t cputime64 = cputime_to_cputime64(cputime);
+
+	cpustat->steal = cputime64_add(cpustat->steal, cputime64);
+}
---
~Randy
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