From: Mark Salter on
gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1598#note_8660...
The "if (!*mem_section")" is causing a panic on aarch64 systems
(CONFIG_SPARSEMEM_EXTREME=y) which have no memory in the first mem_section
root. The original "if (!mem_section)" is the correct test.
See [
bz2053214](https://bugzilla.redhat.com/show_bug.cgi?id=2053214)