linux-kernel - Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator

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Message-ID: <20080317070208.GC27015@one.firstfloor.org>
Date:	Mon, 17 Mar 2008 08:02:08 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	pj@....com, linux-mm@...ck.org, nickpiggin@...oo.com.au
Subject: Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator

> node_boot_start is not page aligned?

It is, but it is not necessarily GB aligned and without this
change sometimes alloc_bootmem when requesting GB alignment
doesn't return GB aligned memory. This was a nasty problem
that took some time to track down.

-Andi
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