diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
index 377b9f8..6366e01 100644
--- a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
+++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
@@ -107,13 +107,16 @@ struct ag71xx_buf {
 };

 struct ag71xx_ring {
-       struct ag71xx_buf       *buf;
-       u8                      *descs_cpu;
-       dma_addr_t              descs_dma;
-       u16                     desc_split;
-       u16                     order;
+       /* "Hot" fields in the data path. */
        unsigned int            curr;
        unsigned int            dirty;
+
+       /* "Cold" fields - not used in the data path. */
+       struct ag71xx_buf       *buf;
+       u16                     order;
+       u16                     desc_split;
+       dma_addr_t              descs_dma;
+       u8                      *descs_cpu;
 };

 struct ag71xx_int_stats {
--
2.7.4