On 19.01.2012, at 14:30, Jan Kiszka wrote: > On 2012-01-19 14:24, Alexander Graf wrote: >> >> >> On 19.01.2012, at 13:46, Jan Kiszka <jan.kis...@siemens.com> wrote: >> >>> Hi again, >>> >>> do we need some KVM knob comparable to qemu-kvm's -kvm-shadow-memory in >>> upstream? >> >> What does it do? Never heard of it :) > > According to inline docs: "Chang[e] the number of mmu pages allocated to > the vm". That's from arch/x86/kvm/mmu.c, kvm_mmu_change_mmu_pages(). > That's soft-MMU related so, I bet, of decreasing relevance for x86.
Ah, that's the maximum number of concurrently active pages we allow? Pretty cool, but it should be a monitor command rather than a command line option, no? And if we want it, we should have it available on other archs too, yes. Alex
