mm: move page mapped accounting to the node

Reclaim makes decisions based on the number of pages that are mapped but
it's mixing node and zone information.  Account NR_FILE_MAPPED and
NR_ANON_PAGES pages on the node.

Link: http://lkml.kernel.org/r/1467970510-21195-18-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/base/node.c b/drivers/base/node.c
index d4698f096209..171ea127eda1 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -121,8 +121,8 @@ static ssize_t node_read_meminfo(struct device *dev,
                        nid, K(sum_zone_node_page_state(nid, NR_FILE_DIRTY)),
                        nid, K(sum_zone_node_page_state(nid, NR_WRITEBACK)),
                        nid, K(sum_zone_node_page_state(nid, NR_FILE_PAGES)),
-                       nid, K(sum_zone_node_page_state(nid, NR_FILE_MAPPED)),
-                       nid, K(sum_zone_node_page_state(nid, NR_ANON_PAGES)),
+                       nid, K(node_page_state(pgdat, NR_FILE_MAPPED)),
+                       nid, K(node_page_state(pgdat, NR_ANON_PAGES)),
                        nid, K(i.sharedram),
                        nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK) *
                                 THREAD_SIZE / 1024,