1 files changed, 3 insertions, 2 deletions

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 81627ebcd313..997186c0b519 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -610,6 +610,8 @@ void set_page_dirty_balance(struct page *page, int page_mkwrite)
         }
 }
 
+static DEFINE_PER_CPU(unsigned long, bdp_ratelimits) = 0;
+
 /**
  * balance_dirty_pages_ratelimited_nr - balance dirty memory state
  * @mapping: address_space which was dirtied
@@ -627,7 +629,6 @@ void set_page_dirty_balance(struct page *page, int page_mkwrite)
 void balance_dirty_pages_ratelimited_nr(struct address_space *mapping,
                                         unsigned long nr_pages_dirtied)
 {
-        static DEFINE_PER_CPU(unsigned long, ratelimits) = 0;
         unsigned long ratelimit;
         unsigned long *p;
 
@@ -640,7 +641,7 @@ void balance_dirty_pages_ratelimited_nr(struct address_space *mapping,
          * tasks in balance_dirty_pages(). Period.
          */
         preempt_disable();
-        p =  &__get_cpu_var(ratelimits);
+        p =  &__get_cpu_var(bdp_ratelimits);
         *p += nr_pages_dirtied;
         if (unlikely(*p >= ratelimit)) {
                 *p = 0;