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    Subject2.6.25-rc5-git5 KVM memory not freed
    Hi,

    I'm using KVM and the qemu kvm modified to run a windows guest. I'm
    allocating 900 MB to the guest. Seems that when I terminate a qemu
    process, the memory that was allocated to qemu is not freed:


    Mem: 2058140 1739156 318984 0 226944 425140
    -/+ buffers/cache: 1087072 971068
    Swap: 0 0 0

    So I'm using 1GB of ram even though I've terminated qemu. If I attempt
    to start qemu again, the machine locks up. No message in the logs.

    Command to start qemu:
    /usr/local/kvm/bin/qemu-system-x86_64 b.data -no-acpi -m 900 -net nic
    -net user -hdb temp.raw -usbdevice tablet

    uname -a
    Linux ops-desktop 2.6.25-rc5-git5 #1 SMP PREEMPT Sat Mar 15 14:47:25
    EET 2008 x86_64 GNU/Linux


    Not sure whether this is a problem on the kernel side. I don't
    pretend to understand linux memory management. But it wasn't occurring
    with older kernels. I'll attempt to bisect.


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      Last update: 2008-03-20 17:45    [W:0.021 / U:31.744 seconds]
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