Lennart Poettering
82dea1c925
We do the rm_rf_children() call only because in some cases we cannot pivot_root() and hence the orginal root superblock stays pinned, and we thus have to empty it to minimize its memory use. But if pivot_root() worked (and the umount() for the old root), then there's really no need to do this work. Dropping this codepath is useful in context of Christian's recent work to make the original initrd tmpfs unmountable, which means pivot_root() will work, and thus there's no need to empty the tmpfs anymore, and we can speed up boot a bit. Fixes: #40250
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