[Devel] [PATCH] tcache: Increase seeks more

Kirill Tkhai ktkhai at virtuozzo.com
Fri Nov 10 16:20:55 MSK 2017


One node from the test plan showed, number of seeks
still is not enough. Increase it again twice more
to fit new formula introduces in commit e008b95a28ef
"ms/mm: use sc->priority for slab shrink targets".

https://jira.sw.ru/browse/PSBM-77015

Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
 mm/tcache.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/tcache.c b/mm/tcache.c
index 8b893e6b520..b5157d9861d 100644
--- a/mm/tcache.c
+++ b/mm/tcache.c
@@ -1202,7 +1202,7 @@ static unsigned long tcache_shrink_scan(struct shrinker *shrink,
 struct shrinker tcache_shrinker = {
 	.count_objects		= tcache_shrink_count,
 	.scan_objects		= tcache_shrink_scan,
-	.seeks			= 4,
+	.seeks			= 8,
 	.batch			= TCACHE_SCAN_BATCH,
 	.flags			= SHRINKER_NUMA_AWARE,
 };



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