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Re: [fedora-virt] disabling ksm by default



On Tue, Oct 27, 2009 at 10:12:49AM +0000, Mark McLoughlin wrote:
> ksm is disabled by default currently
[...]
>   # unless KSM_MAX_KERNEL_PAGES is set, let ksm munch up to half of total memory.

Mark, can you summarise why we wouldn't want KSM to be enabled by
default, and why we need to limit it to half of total memory?

Assume the reader knows nothing about KSM, which is approximately correct :-)

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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