Hi Gilles, maybe You have the same problem I experienced? see http://www.mail-archive.com/kvm@xxxxxxxxxxxxxxx/msg28572.html nik On Sun, Feb 21, 2010 at 10:35:06PM +0100, Gilles PIETRI wrote: > Hi, > > I'm running a 2.6.32.7 kernel with KSM enabled (CONFIG_KSM=y), with > qemu-kvm 0.12.2 that has support for KSM (exec.c checks for > MADV_MERGEABLE).. > > So I have KSM running, /sys/kernel/mm/ksm/run is at 1, and after a > few hours running a dozen of VMs, many of them running the same > OS/base image, I see no page being shared, KSM seems inactive. > > Values are pretty much to their default value, and it seems KSM is > simply not working.. I see ksmd in the process list though, but here > are the sysfs values reported: > ==> /sys/kernel/mm/ksm/full_scans <== > 0 > > ==> /sys/kernel/mm/ksm/max_kernel_pages <== > 1027257 > > ==> /sys/kernel/mm/ksm/pages_shared <== > 0 > > ==> /sys/kernel/mm/ksm/pages_sharing <== > 0 > > ==> /sys/kernel/mm/ksm/pages_to_scan <== > 100 > > ==> /sys/kernel/mm/ksm/pages_unshared <== > 0 > > ==> /sys/kernel/mm/ksm/pages_volatile <== > 0 > > ==> /sys/kernel/mm/ksm/run <== > 1 > > ==> /sys/kernel/mm/ksm/sleep_millisecs <== > 20 > > Any clues? > > Cheers, > Gilou > -- > 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 > -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@xxxxxxxxxxx ------------------------------------- -- 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
