Is there any way to increase the KVM?

Maslan maslanbsd at
Sat May 31 19:18:15 UTC 2008


is PAE enabled in your kernel config ?


On Sat, May 31, 2008 at 5:52 AM, Tz-Huan Huang <tzhuan at> wrote:
> Hi,
> Our nfs server is running 7-stable/amd64 with 8G ram, the size of zfs
> pool is 12T. We have set vm.kmem_size and vm.kmem_size_max to
> 1.5G, but the kernel still panics by "kmem_map too small" often.
> According to [1], the limitation is not only by the loader (is it fixed now?)
> but also by the default layout of KVM. [2] points a way to increase the
> KVM, but we get the similar linking error.
> Is there any standard way to modify the layout of KVM? For example, we
> may want to set KVM to 6G and leave the 2G for user space usage.
> Thanks,
> Tz-Huan
> [1]
> [2]
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