force_scan was invented for very narrow case. It hurts us badly when we have one cgroup that consumes almost all memory and few small ones.
Set sysctl_vm_force_scan_thresh to 100 by default which effectively disables it. https://jira.sw.ru/browse/PSBM-77547 Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com> --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index e13a71e4e44e..524d1452deb1 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1919,7 +1919,7 @@ static int vmscan_swappiness(struct scan_control *sc) } #ifdef CONFIG_MEMCG -int sysctl_force_scan_thresh = 50; +int sysctl_force_scan_thresh = 100; static inline bool zone_force_scan(struct zone *zone) { -- 2.13.6 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
