On Tue 08-03-16 18:58:24, Sergey Senozhatsky wrote: > On (03/07/16 17:08), Michal Hocko wrote: > > On Mon 29-02-16 22:02:13, Michal Hocko wrote: > > > Andrew, > > > could you queue this one as well, please? This is more a band aid than a > > > real solution which I will be working on as soon as I am able to > > > reproduce the issue but the patch should help to some degree at least. > > > > Joonsoo wasn't very happy about this approach so let me try a different > > way. What do you think about the following? Hugh, Sergey does it help > > for your load? I have tested it with the Hugh's load and there was no > > major difference from the previous testing so at least nothing has blown > > up as I am not able to reproduce the issue here. > > > > Other changes in the compaction are still needed but I would like to not > > depend on them right now. > > works fine for me. > > $ cat /proc/vmstat | egrep -e "compact|swap" > pgsteal_kswapd_dma 7 > pgsteal_kswapd_dma32 6457075 > pgsteal_kswapd_normal 1462767 > pgsteal_kswapd_movable 0 > pgscan_kswapd_dma 18 > pgscan_kswapd_dma32 6544126 > pgscan_kswapd_normal 1495604 > pgscan_kswapd_movable 0 > kswapd_inodesteal 29 > kswapd_low_wmark_hit_quickly 1168 > kswapd_high_wmark_hit_quickly 1627 > compact_migrate_scanned 5762793 > compact_free_scanned 54090239 > compact_isolated 1303895 > compact_stall 1542 > compact_fail 1117 > compact_success 425 > compact_kcompatd_wake 0 > > no OOM-kills after 6 rounds of tests. > > Tested-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> Thanks for retesting! -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>