On 10/13/2016 08:24 AM, Mike Kravetz wrote: > On 10/13/2016 05:19 AM, Jan Stancek wrote: >> Hi, >> >> I'm running into ENOMEM failures with libhugetlbfs testsuite [1] on >> a power8 lpar system running 4.8 or latest git [2]. Repeated runs of >> this suite trigger multiple OOMs, that eventually kill entire system, >> it usually takes 3-5 runs: >> >> * Total System Memory......: 18024 MB >> * Shared Mem Max Mapping...: 320 MB >> * System Huge Page Size....: 16 MB >> * Available Huge Pages.....: 20 >> * Total size of Huge Pages.: 320 MB >> * Remaining System Memory..: 17704 MB >> * Huge Page User Group.....: hugepages (1001) >> Hi Jan, Any chance you can get the contents of /sys/kernel/mm/hugepages before and after the first run of libhugetlbfs testsuite on Power? Perhaps a script like: cd /sys/kernel/mm/hugepages for f in hugepages-*/*; do n=`cat $f`; echo -e "$n\t$f"; done Just want to make sure the numbers look as they should. -- Mike Kravetz -- 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>