selftests/mm/charge_reserved_hugetlb.sh

28   cgroup_path=$(mount -t cgroup2 | head -1 | awk '{print $3}')
29   if [[ -z "$cgroup_path" ]]; then
30     cgroup_path=/dev/cgroup/memory
31     mount -t cgroup2 none $cgroup_path
34   echo "+hugetlb" >$cgroup_path/cgroup.subtree_control
36   cgroup_path=$(mount -t cgroup | grep ",hugetlb" | awk '{print $3}')
37   if [[ -z "$cgroup_path" ]]; then
38     cgroup_path=/dev/cgroup/memory
39     mount -t cgroup memory,hugetlb $cgroup_path
43 export cgroup_path
47     echo $$ >$cgroup_path/cgroup.procs
49     echo $$ >$cgroup_path/tasks
57   if [[ -e $cgroup_path/hugetlb_cgroup_test ]]; then
58     rmdir $cgroup_path/hugetlb_cgroup_test
60   if [[ -e $cgroup_path/hugetlb_cgroup_test1 ]]; then
61     rmdir $cgroup_path/hugetlb_cgroup_test1
63   if [[ -e $cgroup_path/hugetlb_cgroup_test2 ]]; then
64     rmdir $cgroup_path/hugetlb_cgroup_test2
96   mkdir $cgroup_path/$name
99   echo "$cgroup_limit" >$cgroup_path/$name/hugetlb.${MB}MB.$fault_limit_file
103     $cgroup_path/$name/hugetlb.${MB}MB.$reservation_limit_file
105   if [ -e "$cgroup_path/$name/cpuset.cpus" ]; then
106     echo 0 >$cgroup_path/$name/cpuset.cpus
108   if [ -e "$cgroup_path/$name/cpuset.mems" ]; then
109     echo 0 >$cgroup_path/$name/cpuset.mems
115   local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
128   local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
141   local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file"
167   local hugetlb_usage=$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file
168   local reserved_usage=$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file
299   local final_hugetlb=$(cat $cgroup_path/hugetlb_cgroup_test/hugetlb.${MB}MB.$fault_usage_file)
300 …local final_reservation=$(cat $cgroup_path/hugetlb_cgroup_test/hugetlb.${MB}MB.$reservation_usage_…
356   local cgroup1_hugetlb_usage=$cgroup_path/hugetlb_cgroup_test1/hugetlb.${MB}MB.$fault_usage_file
357 …local cgroup1_reservation_usage=$cgroup_path/hugetlb_cgroup_test1/hugetlb.${MB}MB.$reservation_usa…
358   local cgroup2_hugetlb_usage=$cgroup_path/hugetlb_cgroup_test2/hugetlb.${MB}MB.$fault_usage_file
359 …local cgroup2_reservation_usage=$cgroup_path/hugetlb_cgroup_test2/hugetlb.${MB}MB.$reservation_usa…
582   umount $cgroup_path
583   rmdir $cgroup_path