From: Stefan Hajnoczi <stefanha@gmail.com>
To: Mulyadi Santosa <mulyadi.santosa@gmail.com>
Cc: Dennis <dennis@satanclaus.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Virtual memory question
Date: Mon, 9 Aug 2010 09:17:38 +0100 [thread overview]
Message-ID: <AANLkTikv_Bi7uOX4GZh+de9XTcQMs4F8PdUJAZrbZsVt@mail.gmail.com> (raw)
In-Reply-To: <AANLkTimDgoHU-jsEKX=v8RYz5af0b=4ihJ2KV-QgKyKS@mail.gmail.com>
On Mon, Aug 9, 2010 at 7:15 AM, Mulyadi Santosa
<mulyadi.santosa@gmail.com> wrote:
> On Mon, Aug 9, 2010 at 03:33, Dennis <dennis@satanclaus.com> wrote:
>> Hi,
>>
>> I've been looking at the qemu source code but couldn't find anything
>> that would suit my needs.
>> Basically I'm looking for a way to use a file on disk as physical
>> memory inside Qemu.
>
> Once when I did code adventure in Qemu, I conclude Qemu create
> temporary file (possibly using mktemp()) and mmap it, thus creating
> "illusion" file as RAM for guest.
>
> So, I think it's already done. It's just not configurable through
> command parameter
Use -mem-path /path/to/directory. It's used for hugetlbfs support on
Linux but it should work on a normal filesystem too.
Stefan
next prev parent reply other threads:[~2010-08-09 8:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-08 20:33 [Qemu-devel] Virtual memory question Dennis
2010-08-09 5:01 ` C K Kashyap
2010-08-09 18:49 ` Dennis
2010-08-09 19:41 ` Stefan Hajnoczi
2010-08-09 19:54 ` Dennis
2010-08-09 6:15 ` Mulyadi Santosa
2010-08-09 8:17 ` Stefan Hajnoczi [this message]
2010-08-09 16:46 ` Michael Roth
2010-08-09 18:49 ` Michael Roth
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