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authorAndrey Ryabinin <aryabinin@virtuozzo.com>2017-11-15 17:34:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 18:21:03 -0800
commit3a50d14d0df5776e002a8683a290c87eeac93a21 (patch)
tree64b482ced9e1f96c56dbebed299706b3535852fb
parent4645b9fe84bf4878f04c7959a75df7c3c2d1bbb9 (diff)
downloadlinux-3a50d14d0df5776e002a8683a290c87eeac93a21.tar.bz2
mm: remove unused pgdat->inactive_ratio
Since commit 59dc76b0d4df ("mm: vmscan: reduce size of inactive file list") 'pgdat->inactive_ratio' is not used, except for printing "node_inactive_ratio: 0" in /proc/zoneinfo output. Remove it. Link: http://lkml.kernel.org/r/20171003152611.27483-1-aryabinin@virtuozzo.com Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Reviewed-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/mmzone.h6
-rw-r--r--mm/vmscan.c2
-rw-r--r--mm/vmstat.c6
3 files changed, 3 insertions, 11 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index a507f43ad221..39ccaa9c428b 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -712,12 +712,6 @@ 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 15b483ef6440..2852b8c5a917 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2082,7 +2082,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
* If that fails and refaulting is observed, the inactive list grows.
*
* 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. An 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 4bb13e72ac97..7d11554861e4 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1564,11 +1564,9 @@ 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->kswapd_failures >= MAX_RECLAIM_RETRIES,
- zone->zone_start_pfn,
- zone->zone_pgdat->inactive_ratio);
+ zone->zone_start_pfn);
seq_putc(m, '\n');
}