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-rw-r--r--mm/vmstat.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 64bd0aa13f75..40b2c74ddf16 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1408,17 +1408,7 @@ static void vmstat_update(struct work_struct *w)
* Defer the checking for differentials to the
* shepherd thread on a different processor.
*/
- int r;
- /*
- * Shepherd work thread does not race since it never
- * changes the bit if its zero but the cpu
- * online / off line code may race if
- * worker threads are still allowed during
- * shutdown / startup.
- */
- r = cpumask_test_and_set_cpu(smp_processor_id(),
- cpu_stat_off);
- VM_BUG_ON(r);
+ cpumask_set_cpu(smp_processor_id(), cpu_stat_off);
}
}