> +	/*
quoted text
> +	 * when you have 64g or 128g ram, bootmap will be pushed after bss
> +	 * section, the bootmap we get from early_node_mem via find_e820_area
> +	 * is not page aligned, we need to round it up to  make sure bootmap
> +	 * is not overlapped with bss section
> +	 */
> +	bootmap_start = round_up(bootmap_start, PAGE_SIZE);

The better solution would be to PAGE_ALIGN() the addresses
in bad_addr(). Or better fix it that no such alignment is needed to not 
get conflicts. 

-Andi
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