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From: Yinghai Lu <Yinghai.Lu@Sun.COM>
To: Andi Kleen <ak@suse.de>, Ingo Molnar <mingo@elte.hu>
Cc: Christoph Lameter <clameter@sgi.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: PATCH] x86_64: make bootmap_start page align v4
Date: Wed, 30 Jan 2008 19:29:39 -0800	[thread overview]
Message-ID: <200801301929.40463.yinghai.lu@sun.com> (raw)
In-Reply-To: <200801310402.14912.ak@suse.de>

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

  reply	other threads:[~2008-01-31  3:12 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200801291113.35974.yinghai.lu@sun.com>
2008-01-29 19:14 ` [PATCH 2/4] x86_64: make early_node_mem return align address v2 Yinghai Lu
2008-01-30  2:39   ` Yinghai Lu
2008-01-30  3:28   ` [PATCH 2/2] x86_64: make bootmap_start page align v3 Yinghai Lu
2008-01-30 18:51     ` PATCH] x86_64: make bootmap_start page align v4 Yinghai Lu
2008-01-30 19:08       ` Andi Kleen
2008-01-30 20:15         ` Yinghai Lu
2008-01-30 23:23           ` [PATCH] x86_64: make bootmap_start page align v5 Yinghai Lu
2008-01-30 23:50             ` Yinghai Lu
2008-01-31  3:02           ` PATCH] x86_64: make bootmap_start page align v4 Andi Kleen
2008-01-31  3:29             ` Yinghai Lu [this message]
2008-01-31 13:07       ` Ingo Molnar
2008-01-29 19:15 ` [PATCH 3/4] x86_64: Use early reservation for early node data Yinghai Lu
2008-01-29 19:16 ` [PATCH 4/4] x86_64: increse MAX_EARLY_RES for NODE_DATA and bootmap Yinghai Lu
2008-01-30  2:57   ` Andi Kleen
2008-01-30  3:25     ` Yinghai Lu
2008-01-31 13:24       ` Ingo Molnar
2008-01-31 13:34         ` Andi Kleen
2008-01-31 20:37           ` [PATCH] x86_64: add debug name for early_res Yinghai Lu
2008-01-31 20:44             ` [PATCH] x86_64: make bootmap_start page align v6 Yinghai Lu
2008-01-31 21:05               ` Ingo Molnar
2008-01-31 21:30                 ` Yinghai Lu
2008-01-31 22:55                 ` [PATCH] x86_64: remove unneeded round_up Yinghai Lu
2008-01-31 22:53                   ` Ingo Molnar

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