1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 927ec9235947..052c9c3026cc 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -919,7 +919,7 @@ recalc:
         } else if (jiffies_since_last_check > idle_period) {
                 unsigned int idle_percentage;
 
-                idle_percentage = stime - last_stime;
+                idle_percentage = cputime_to_jiffies(stime - last_stime);
                 idle_percentage *= 100;
                 idle_percentage /= jiffies_since_last_check;
                 use_apm_idle = (idle_percentage > idle_threshold);