I asked this question quite a while ago, it seems huge pages do not get scanned for merging. David Martin ----- "Bernhard Schmidt" <berni@xxxxxxxxxxxxx> wrote: > Hi, > > running Debian Squeeze with a 2.6.32-3-amd64 kernel and qemu-kvm > 0.12.3 > I enabled hugetlbfs on a rather small box with about five similar VMs > today (all Debian Squeeze amd64, but different services) > > Pro: > * system load on the host has gone way down (by about 50%) > > Contra: > * KSM seems to be largely ineffective (100MB saved -> 1.3MB saved) > > Am I doing something wrong? Is this a bug? Is this generally > impossible > with large pages (which might explain the lower load on the host, if > large pages are not scanned)? Or is it just way less likely to have > identical pages at that size? > > Bernhard > > -- > 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
