File 80-hotplug-cpu-mem.rules of Package systemd.8696

# do not edit this file, it will be overwritten on update

#
# Hotplug physical CPU
#
SUBSYSTEM=="cpu", ACTION=="add", TEST=="online", ATTR{online}=="0", ATTR{online}="1"

#
# Hotplug physical memory. Instances of tmpfs are remounted so their
# size are recalculated. This might be needed if some sizes were
# specified relative to the total amount of memory (boo#869603). For
# now make it simple and remount all tmpfs regardless of how their
# size are specified. It should be handled by the kernel as it has a
# lot of shortcomings anyways (tmpfs mounted by other processes, mount
# namespaces, ...)
#
SUBSYSTEM=="memory", ACTION=="add", PROGRAM=="/usr/bin/systemd-detect-virt", RESULT!="zvm", ATTR{state}=="offline", \
  ATTR{state}="online", \
  RUN+="/bin/sh -c ' \
    while read src dst fs opts unused; do \
      case $fs in \
      tmpfs)  mount -o remount \"$dst\" ;; \
      esac \
    done </proc/self/mounts"
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