On 9/11/18 12:40 PM, Laurent Dufour wrote:

On 11/09/2018 02:42, Daniel Jordan wrote:

quoted

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 32699b2dc52a..6d4c23a3069d 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h

@@ -229,6 +229,12 @@ struct zone_reclaim_stat {
  	 *
  	 * The anon LRU stats live in [0], file LRU stats in [1]
  	 */
+	atomic_long_t		recent_rotated[2];
+	atomic_long_t		recent_scanned[2];

It might be better to use a slightly different name for these fields to
distinguish them from the ones in the zone_reclaim_stat_cpu structure.

Sure, these are now named recent_rotated_cpu and recent_scanned_cpu, absent better names.

Thanks for your comments.