cgroups: add rc_cgroup_memory_use_hierarchy setting for cgroups v1
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@ -227,6 +227,11 @@ rc_tty_number=12
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# /sys/fs/cgroup in hybrid or legacy mode.
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#rc_controller_cgroups="YES"
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# The following setting turns on the memory.use_hierarchy setting in the
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# root memory cgroup for cgroups v1.
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# It must be set to yes in this file if you want this functionality.
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#rc_cggroup_memory_use_hierarchy="NO"
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# The following settings allow you to set up values for the cgroups version 1
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# controllers for your services.
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# They can be set in this file;, however, if you do this, the settings
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@ -57,6 +57,9 @@ cgroup1_controllers()
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mkdir "/sys/fs/cgroup/${name}"
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mount -n -t cgroup -o "${cgroup_opts},${name}" \
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"${name}" "/sys/fs/cgroup/${name}"
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yesno "${rc_cgroup_memory_use_hierarchy:-no}" &&
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[ "${name}" = memory ] &&
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echo 1 > /sys/fs/cgroup/memory/memory.use_hierarchy
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;;
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esac
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done < /proc/cgroups
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