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Message-Id: <200801302008.32811.ak@suse.de>
Date: Wed, 30 Jan 2008 20:08:32 +0100
From: Andi Kleen <ak@...e.de>
To: Yinghai Lu <Yinghai.Lu@....com>
Cc: Ingo Molnar <mingo@...e.hu>, Christoph Lameter <clameter@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: Re: PATCH] x86_64: make bootmap_start page align v4
> + /*
> + * 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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