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RE: [Xen-devel] Question: how to unmap memory mapped with direct_kernel_
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] Question: how to unmap memory mapped with direct_kernel_remap_pfn_range() ? |
| From: | "Santos, Jose Renato G" <joserenato.santos@xxxxxx> |
| Date: | Fri, 15 Sep 2006 10:44:45 -0500 |
| Delivery-date: | Fri, 15 Sep 2006 08:45:21 -0700 |
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| In-reply-to: | <C13036BD.147A%Keir.Fraser@xxxxxxxxxxxx> |
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| Thread-index: | AcbYa6WBlnaFS//hTqCPbsrGYicO9gAQTIZRAAw/NjA= |
| Thread-topic: | [Xen-devel] Question: how to unmap memory mapped with direct_kernel_remap_pfn_range() ? |
Thanks, Keir Renato > -----Original Message----- > From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx] > Sent: Friday, September 15, 2006 2:54 AM > To: Santos, Jose Renato G; xen-devel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [Xen-devel] Question: how to unmap memory mapped > with direct_kernel_remap_pfn_range() ? > > > > > On 15/9/06 03:07, "Santos, Jose Renato G" > <joserenato.santos@xxxxxx> wrote: > > > Xenoprof buffers are mapped into the kernel using > > direct_kernel_remap_pfn_range(). > > I need to unmap the buffer when it is not needed anymore. > > > > However, I could not find any function that unmaps pages previously > > mapped with direct_kernel_remap_pfn_range(). > > Any suggestion on how to do this? > > Remember the vm_struct returned by alloc_vm_area(). Pass it to > free_vm_area() to unmap and free. > > -- Keir > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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