Should have said *proper ConfigFS support. Anyway, had no prior interest in this kernel feature until you mentioned the anomaly that is specific to certain vend

Should have said *proper ConfigFS support. Anyway, had no prior interest in this kernel feature until you mentioned the anomaly that is specific to certain vendors. You can also do `zcat /proc/config.gz | grep CONFIGFS_` in a root shell (su) inside termux to get what options are set by the default kernel.