1 files changed, 5 insertions, 0 deletions

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index f75efa22df5e..81e4eb60972e 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -18,6 +18,9 @@
 #ifndef arch_irq_stat
 #define arch_irq_stat() 0
 #endif
+#ifndef arch_idle_time
+#define arch_idle_time(cpu) 0
+#endif
 
 static int show_stat(struct seq_file *p, void *v)
 {
@@ -40,6 +43,7 @@ static int show_stat(struct seq_file *p, void *v)
                 nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
                 system = cputime64_add(system, kstat_cpu(i).cpustat.system);
                 idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
+                idle = cputime64_add(idle, arch_idle_time(i));
                 iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
                 irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
                 softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
@@ -69,6 +73,7 @@ static int show_stat(struct seq_file *p, void *v)
                 nice = kstat_cpu(i).cpustat.nice;
                 system = kstat_cpu(i).cpustat.system;
                 idle = kstat_cpu(i).cpustat.idle;
+                idle = cputime64_add(idle, arch_idle_time(i));
                 iowait = kstat_cpu(i).cpustat.iowait;
                 irq = kstat_cpu(i).cpustat.irq;
                 softirq = kstat_cpu(i).cpustat.softirq;