BSS isn't stored in the image that the loader brought into memory. We
just use @func{memset} to zero it out. The other task of
@func{ram_init} is to read out the machine's memory size from where
-the loader stored it and put it into the @code{ram_pages} variable for
+the loader stored it and put it into the @code{init_ram_pages} variable for
later use.
Next, @func{main} calls @func{read_command_line} to break the kernel command