[PATCH] use for_each_cpu

[Anton Blanchard]

Hi,

The per cpu schedule counters need to be summed up over all possible cpus.
When testing hotplug cpu remove I saw the sum of the online cpu count
for nr_uninterruptible go negative which made the load average go nuts.

Anton

diff -puN kernel/sched.c~debug_nr_running kernel/sched.c
--- foobar2/kernel/sched.c~debug_nr_running	2004-08-01 14:42:46.133968016 +1000
+++ foobar2-anton/kernel/sched.c	2004-08-01 15:26:17.272626720 +1000
@@ -1095,7 +1095,7 @@ unsigned long nr_uninterruptible(void)
 {
 	unsigned long i, sum = 0;
 
-	for_each_online_cpu(i)
+	for_each_cpu(i)
 		sum += cpu_rq(i)->nr_uninterruptible;
 
 	return sum;
@@ -1105,7 +1105,7 @@ unsigned long long nr_context_switches(v
 {
 	unsigned long long i, sum = 0;
 
-	for_each_online_cpu(i)
+	for_each_cpu(i)
 		sum += cpu_rq(i)->nr_switches;
 
 	return sum;
@@ -1115,7 +1115,7 @@ unsigned long nr_iowait(void)
 {
 	unsigned long i, sum = 0;
 
-	for_each_online_cpu(i)
+	for_each_cpu(i)
 		sum += atomic_read(&cpu_rq(i)->nr_iowait);
 
 	return sum;
-
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