linux-kernel - Re: [PATCH 4 of 7] lguest: Config and headers

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Message-ID: <Pine.LNX.4.64.0702092243170.13855@d.namei>
Date:	Fri, 9 Feb 2007 22:45:41 -0500 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
cc:	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@....de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	virtualization <virtualization@...ts.osdl.org>
Subject: Re: [PATCH 4 of 7]  lguest: Config and headers

On Sat, 10 Feb 2007, Rusty Russell wrote:

> Well it was the use of get_order() which triggered Andi's alarm bells,
> so I went back to deriving it.  This code is correct, however.

+       hype_pages = alloc_pages(GFP_KERNEL|__GFP_ZERO, HYPERVISOR_MAP_ORDER);
+       if (!hype_pages)
+               return -ENOMEM;

This will try and allocate 2^16 pages.  I guess we need a 
HYPERVISOR_PAGE_ORDER ?


- James
-- 
James Morris
<jmorris@...ei.org>
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