linux-kernel - Re: PATCH] x86_64: make bootmap

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Message-id: <200801301929.40463.yinghai.lu@sun.com>
Date:	Wed, 30 Jan 2008 19:29:39 -0800
From:	Yinghai Lu <Yinghai.Lu@....COM>
To:	Andi Kleen <ak@...e.de>, Ingo Molnar <mingo@...e.hu>
Cc:	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

On Wednesday 30 January 2008 07:02:14 pm Andi Kleen wrote:
> 
> > I don't think so, that is setup_node_bootmem's problem.
> >
> > it is supposed to round_up instead of just do PAGE_SHIFT...
> >
> > other caller will just use the address instead change it page.
> 
> You're right. In this case it really is the best way to round up in the 
> caller. I retract my earlier objection.
> 
> That said there is not really any true requirement for the bootmem
> map to be page aligned (AFAIK) so an alternative might be to 
> fix the bootmem interface to not take a PFN. But that would be a 
> much more intrusive patch because you would need to fix 
> other architectures too or add compat wrappers.

thanks.

So we need to v4.

Ingo,

can you apply the v4?

YH
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