Am 04.09.2015 um 11:35 schrieb Thomas Huth: > > Hi all, > > now that we get memory hotplugging for the spapr machine on qemu-ppc, > too, it seems like we easily can hit the amount of KVM-internal memory > slots now ("#define KVM_USER_MEM_SLOTS 32" in > arch/powerpc/include/asm/kvm_host.h). For example, start > qemu-system-ppc64 with a couple of "-device secondary-vga" and "-m > 4G,slots=32,maxmem=40G" and then try to hot-plug all 32 DIMMs ... and > you'll see that it aborts way earlier already. > > The x86 code already increased the amount of KVM_USER_MEM_SLOTS to 509 > already (+3 internal slots = 512) ... maybe we should now increase the > amount of slots on powerpc, too? Since we don't use internal slots on > POWER, would 512 be a good value? Or would less be sufficient, too? When you are at it, the s390 value should also be increased I guess. Christian -- 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