On 2015/4/30 15:11, Ma Shimiao wrote: > Hello, > > I'm new to cgroups. > I'm not sure whether this is the right place to ask questions about cgroups. > If not, I will be very sorry for disturbing. > > Recently, I'm researching the usage of hugetlb. > I have got a problem, but don't know why and how to solve it. > > # cat /proc/meminfo |grep -i huge > AnonHugePages: 1894400 kB > HugePages_Total: 192 > HugePages_Free: 188 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > # cat /sys/fs/cgroup/hugetlb/hugetlb.2MB.limit_in_bytes > 9223372036854771712 > # cat /sys/fs/cgroup/hugetlb/hugetlb.2MB.max_usage_in_bytes > 8388608 > # cat /sys/fs/cgroup/hugetlb/hugetlb.2MB.usage_in_bytes > 8388608 > # echo 10240000000000 > /sys/fs/cgroup/hugetlb/hugetlb.2MB.limit_in_bytes > -bash: echo: write error: Invalid argument > > It seems I cant write values to hugetlb.2MB.limit_in_bytes > Could anyone give me some advice? > Thanks very much. > Looks like you were trying to write to the file in root cgroup, which is forbidden. -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
