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xen-devel
[Xen-devel] Re: [patch 16/26] Xen-paravirt_ops: Allocate and free vmallo
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To: |
Ingo Molnar <mingo@xxxxxxx> |
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Subject: |
[Xen-devel] Re: [patch 16/26] Xen-paravirt_ops: Allocate and free vmalloc areas |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Fri, 16 Mar 2007 10:05:50 -0700 |
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Cc: |
Zachary Amsden <zach@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Ian Pratt <ian.pratt@xxxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Jan Beulich <JBeulich@xxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, Andi Kleen <ak@xxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Christian Limpach <Christian.Limpach@xxxxxxxxxxxx> |
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Fri, 16 Mar 2007 10:04:48 -0700 |
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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
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