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Re: [Qemu-devel] [Spice-devel] viewing continuous guest virtual memory a
From: |
Alon Levy |
Subject: |
Re: [Qemu-devel] [Spice-devel] viewing continuous guest virtual memory as continuous in qemu |
Date: |
Mon, 3 Oct 2011 09:49:17 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Sun, Oct 02, 2011 at 07:12:07PM +0200, Avi Kivity wrote:
> On 10/02/2011 04:31 PM, Alon Levy wrote:
> >On Sun, Oct 02, 2011 at 03:24:36PM +0200, Alon Levy wrote:
> >> Hi,
> >>
> >
> >Converting qemu's ram allocation to a mmap and using remap_file_pages seems
> >like it could work. Any ideas why it wouldn't?
> >
>
> It's linux-specific. Also, does it work on anonymous memory?
Anonymous: I don't think so. I've done shm_open and mmap'ed it twice, one for
the ram
and the other to do remap_file_pages on it. Couldn't figure out how to get two
mmaps pointing
to the same physical memory without shm_open.
>
> I suggest using scatter-gather, though it's annoying.
>
> --
> error compiling committee.c: too many arguments to function
>
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