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[Qemu-devel] physical memory allocation?
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] physical memory allocation? |
Date: |
Tue, 09 Sep 2008 11:11:25 +0200 |
User-agent: |
Thunderbird 2.0.0.16 (X11/20080723) |
Hi folks,
I've looked at the physical guest memory allocation code (aka
qemu_vmalloc). Reason is that I need some way to map guest memory pages
to a second location in virtual memory. Thus I need a filehandle for
the memory, so I can mmap() pages from it somewhere.
I've seen there is a phys_ram_fd variable defined in exec.c. It isn't
used anywhere though. kqemu seems to have very simliar needs, there is
some code to back guest memory using a file in /dev/shm.
How about doing that *unconditionally*, not just for kqemu?
cheers,
Gerd
- [Qemu-devel] physical memory allocation?,
Gerd Hoffmann <=