1 files changed, 14 insertions, 0 deletions

diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index c7eaa37a768b..34683efa2cce 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -126,10 +126,24 @@ ssize_t res_counter_read(struct res_counter *counter, int member,
                         pos, buf, s - buf);
 }
 
+#if BITS_PER_LONG == 32
+u64 res_counter_read_u64(struct res_counter *counter, int member)
+{
+        unsigned long flags;
+        u64 ret;
+
+        spin_lock_irqsave(&counter->lock, flags);
+        ret = *res_counter_member(counter, member);
+        spin_unlock_irqrestore(&counter->lock, flags);
+
+        return ret;
+}
+#else
 u64 res_counter_read_u64(struct res_counter *counter, int member)
 {
         return *res_counter_member(counter, member);
 }
+#endif
 
 int res_counter_memparse_write_strategy(const char *buf,
                                         unsigned long long *res)