On Sat, 17 Nov 2012, Marc Duponcheel wrote: > # echo always >/sys/kernel/mm/transparent_hugepage/enabled > # while [ 1 ] > do > sleep 10 > date > echo = vmstat > egrep "(thp|compact)" /proc/vmstat > echo = khugepaged stack > cat /proc/501/stack > done > /tmp/49361.xxxx > # emerge icedtea > (where 501 = pidof khugepaged) > > for xxxx = base = 3.6.6 > and xxxx = test = 3.6.6 + diff you provided > > I attach > /tmp/49361.base.gz > and > /tmp/49361.test.gz > > Note: > > with xxx=base, I could see > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 8617 root 20 0 3620m 41m 10m S 988.3 0.5 6:19.06 javac > 1 root 20 0 4208 588 556 S 0.0 0.0 0:03.25 init > already during configure and I needed to kill -9 javac > > with xxx=test, I could see > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 9275 root 20 0 2067m 474m 10m S 304.2 5.9 0:32.81 javac > 710 root 0 -20 0 0 0 S 0.3 0.0 0:01.07 kworker/0:1H > later when processing >700 java files > > Also note that with xxx=test compact_blocks_moved stays 0 > Sounds good! Andy, have you had the opportunity to try to reproduce your issue with the backports that Mel listed? I think he'll be considering asking for some of these to be backported for a future stable release so any input you can provide would certainly be helpful. -- 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>