Re: PATCH] x86_64: make bootmap_start page align v4

From: Andi Kleen
Date: Wed Jan 30 2008 - 14:08:14 EST



> + /*
> + * 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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