Hi Umesh, On Tue, Aug 12, 2014 at 08:07:48PM -0500, Umesh Deshpande wrote: >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. > IIUC, host tracks the EPT A bit through mmu notifier. Regards, Wanpeng Li >Thanks, >Umesh >-- >To unsubscribe from this list: send the line "unsubscribe kvm" in >the body of a message to majordomo@xxxxxxxxxxxxxxx >More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html