EPT Accessed bit

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Hi,

>From the Intel processor manual I read that accessed bit has been
introduced in EPT. The Redhat 6 release notes mention that "Extended
Page Table age bits enables a host to make smarter choices for
swapping memory under memory pressure".  I couldn't find any related
patches on KVM or LKML. I was wondering if using the EPT accessed bit
requires any support from KVM to allow the host kernel to determine
and swap out the inactive VM pages.

Thanks,
Umesh
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