On Tue 09-04-13 17:37:42, Michal Hocko wrote: > On Tue 09-04-13 14:13:12, Michal Hocko wrote: > [...] > > 2) kbuild test showed more or less the same results > > usage_in_bytes > > Base > > Group A Group B > > Median 394817536 395634688 > > > > Patches applied > > median 483481600 302131200 > > > > A is kept closer to the soft limit again. There is some fluctuation > > around the limit because kbuild creates a lot of short lived processes. > > Base: pgscan_kswapd_dma32 1648718 pgsteal_kswapd_dma32 1510749 > > Patched: pgscan_kswapd_dma32 2042065 pgsteal_kswapd_dma32 1667745 > > OK, so I have patched the base version with the patch bellow which > uncovers soft reclaim scanning and reclaim and guess what: > Base: pgscan_kswapd_dma32 3710092 pgsteal_kswapd_dma32 3225191 > Patched: pgscan_kswapd_dma32 1846700 pgsteal_kswapd_dma32 1442232 > Base: pgscan_direct_dma32 2417683 pgsteal_direct_dma32 459702 > Patched: pgscan_direct_dma32 1839331 pgsteal_direct_dma32 244338 Dohh, a dwarf sneaked in and broke my numbers for the base kernel. I am rerunning the test. -- 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>