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Date: Fri, 16 Mar 2007 10:05:50 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Ingo Molnar <mingo@elte.hu>
CC: Andi Kleen <ak@muc.de>, Andrew Morton <akpm@linux-foundation.org>,
       linux-kernel@vger.kernel.org, virtualization@lists.osdl.org,
       xen-devel@lists.xensource.com, Chris Wright <chrisw@sous-sol.org>,
       Zachary Amsden <zach@vmware.com>, Rusty Russell <rusty@rustcorp.com.au>,
       Ian Pratt <ian.pratt@xensource.com>,
       Christian Limpach <Christian.Limpach@cl.cam.ac.uk>,
       Jan Beulich <JBeulich@novell.com>
Subject: Re: [patch 16/26] Xen-paravirt_ops: Allocate and free vmalloc areas
References: <20070301232443.195603797@goop.org> <20070301232528.297902504@goop.org> <20070316091648.GI23174@elte.hu>
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Ingo Molnar wrote:
>> +struct vm_struct *alloc_vm_area(unsigned long size)
>>     
>
> this should go into mm/vmalloc.c.

The trouble is that it calls the arch-dependent vmalloc_sync_all(),
which is important for Xen's use of this function.  And without that
it's just a pointless wrapper around get_vm_area.

    J