In patch [1], the inactive_ratio is now automatically calculated
in inactive_list_is_low(). So there is no need to keep inactive_ratio
in pglist_data, and shown in zoneinfo.
[1] mm: vmscan: reduce size of inactive file list
Signed-off-by: Ganesh Mahendran <opensource.gan...@gmail.com>
---
include/linux/mmzone.h | 6 ------
mm/vmscan.c | 2 +-
mm/vmstat.c | 6 ++----
3 files changed, 3 insertions(+), 11 deletions(-)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index a3b7f45..b3ade54 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -700,12 +700,6 @@ typedef struct pglist_data {
/* Fields commonly accessed by the page reclaim scanner */
struct lruvec lruvec;
- /*
- * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
- * this node's LRU. Maintained by the pageout code.
- */
- unsigned int inactive_ratio;
-
unsigned long flags;
ZONE_PADDING(_pad2_)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 429bf3a..3c1de58 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1915,7 +1915,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
* page has a chance to be referenced again before it is reclaimed.
*
* The inactive_ratio is the target ratio of ACTIVE to INACTIVE pages
- * on this LRU, maintained by the pageout code. A zone->inactive_ratio
+ * on this LRU, maintained by the pageout code. A inactive_ratio
* of 3 means 3:1 or 25% of the pages are kept on the inactive list.
*
* total target max
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 91ecca9..74a0eca 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1491,11 +1491,9 @@ static void zoneinfo_show_print(struct seq_file *m,
pg_data_t *pgdat,
}
seq_printf(m,
"\n node_unreclaimable: %u"
- "\n start_pfn: %lu"
- "\n node_inactive_ratio: %u",
+ "\n start_pfn: %lu",
!pgdat_reclaimable(zone->zone_pgdat),
- zone->zone_start_pfn,
- zone->zone_pgdat->inactive_ratio);
+ zone->zone_start_pfn);
seq_putc(m, '\n');
}
--
1.9.1
