Quick note on focal:
$ rmadison --arch=s390x linux-generic | grep focal linux-generic | 5.3.0.18.21 | focal | s390x linux-generic | 5.3.0.21.24 | focal-proposed | s390x
$ grep CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE /boot/config-5.3.0-21-generic # CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is not set $ grep CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE /boot/config-5.3.0-18-generic CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
(so it's currently in proposed)
Quick note on focal:
$ rmadison --arch=s390x linux-generic | grep focal
linux-generic | 5.3.0.18.21 | focal | s390x
linux-generic | 5.3.0.21.24 | focal-proposed | s390x
$ grep CONFIG_ MEMORY_ HOTPLUG_ DEFAULT_ ONLINE /boot/config- 5.3.0-21- generic MEMORY_ HOTPLUG_ DEFAULT_ ONLINE is not set MEMORY_ HOTPLUG_ DEFAULT_ ONLINE /boot/config- 5.3.0-18- generic MEMORY_ HOTPLUG_ DEFAULT_ ONLINE= y
# CONFIG_
$ grep CONFIG_
CONFIG_
(so it's currently in proposed)