[PATCH v2 8/9] mm/vmscan: restore active/inactive ratio for anonymous LRU

js1304
2020-02-20T05:12:32Z

From: Joonsoo Kim <iamjoonsoo.kim@lge.com>

Now, workingset detection is implemented for anonymous LRU.
We don't have to worry about the misfound for workingset due to
the ratio of active/inactive. Let's restore the ratio.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
---
mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index a1892e7..81ff725 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2237,7 +2237,7 @@ static bool inactive_is_low(struct lruvec *lruvec, enum lru_list inactive_lru)
active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru);

gb = (inactive + active) >> (30 - PAGE_SHIFT);
- if (gb && is_file_lru(inactive_lru))
+ if (gb)
inactive_ratio = int_sqrt(10 * gb);
else
inactive_ratio = 1;
--
2.7.4