[PATCH v3 8/9] mm/vmscan: restore active/inactive ratio for anonymous LRU

From: js1304
Date: Tue Mar 17 2020 - 01:42:39 EST


From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

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@xxxxxxx>
---
mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index b37cc26..3d44e32 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2218,7 +2218,7 @@ 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