On Wed 13-06-12 15:57:34, Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> > > Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Reviewed-by: Michal Hocko <mhocko@xxxxxxx> Minor nid below > --- > Documentation/cgroups/hugetlb.txt | 45 +++++++++++++++++++++++++++++++++++++ > 1 file changed, 45 insertions(+) > create mode 100644 Documentation/cgroups/hugetlb.txt > > diff --git a/Documentation/cgroups/hugetlb.txt b/Documentation/cgroups/hugetlb.txt > new file mode 100644 > index 0000000..a9faaca > --- /dev/null > +++ b/Documentation/cgroups/hugetlb.txt [...] > +With the above step, the initial or the parent HugeTLB group becomes > +visible at /sys/fs/cgroup. At bootup, this group includes all the tasks in > +the system. /sys/fs/cgroup/tasks lists the tasks in this cgroup. > + > +New groups can be created under the parent group /sys/fs/cgroup. > + > +# cd /sys/fs/cgroup > +# mkdir g1 > +# echo $$ > g1/tasks > + > +The above steps create a new group g1 and move the current shell > +process (bash) into it. This is probably not needed as it is already described in the generic cgroups description > + > +Brief summary of control files > + > + hugetlb.<hugepagesize>.limit_in_bytes # set/show limit of "hugepagesize" hugetlb usage > + hugetlb.<hugepagesize>.max_usage_in_bytes # show max "hugepagesize" hugetlb usage recorded > + hugetlb.<hugepagesize>.usage_in_bytes # show current res_counter usage for "hugepagesize" hugetlb > + hugetlb.<hugepagesize>.failcnt # show the number of allocation failure due to HugeTLB limit > + > +For a system supporting two hugepage size (16M and 16G) the control > +files include: > + > +hugetlb.16GB.limit_in_bytes > +hugetlb.16GB.max_usage_in_bytes > +hugetlb.16GB.usage_in_bytes > +hugetlb.16GB.failcnt > +hugetlb.16MB.limit_in_bytes > +hugetlb.16MB.max_usage_in_bytes > +hugetlb.16MB.usage_in_bytes > +hugetlb.16MB.failcnt > -- > 1.7.10 > -- Michal Hocko SUSE Labs SUSE LINUX s.r.o. Lihovarska 1060/12 190 00 Praha 9 Czech Republic -- 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>