linux-kernel - Re: [Xen-devel] Re: [patch 12/21] Xen-paravirt: Allocate and free vmalloc areas

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Message-ID: <C1FB4190.98FA%keir@xensource.com>
Date:	Fri, 16 Feb 2007 11:10:08 +0000
From:	Keir Fraser <keir@...source.com>
To:	Andi Kleen <ak@....de>, Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Zachary Amsden <zach@...are.com>, <xen-devel@...ts.xensource.com>,
	Ian Pratt <ian.pratt@...source.com>,
	<linux-kernel@...r.kernel.org>, Jan Beulich <JBeulich@...ell.com>,
	Chris Wright <chrisw@...s-sol.org>,
	<virtualization@...ts.osdl.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christian Limpach <Christian.Limpach@...cam.ac.uk>
Subject: Re: [Xen-devel] Re: [patch 12/21] Xen-paravirt: Allocate and free
 vmalloc areas




On 16/2/07 09:18, "Andi Kleen" <ak@....de> wrote:

>> It's for populating the pagetable in a vmalloc area.  There's magic in
> 
> If the lazy setup doesn't work for you you can always call vmalloc_sync()
> early.

vmalloc_sync_all()? That's a great idea. We can put that in alloc_vm_area()
and kill {lock,unlock}_vm_area() which is a nice interface simplification.

 Thanks!
 Keir

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