On 05/16/2013 08:02 PM, Paolo Bonzini wrote: > Il 16/05/2013 11:50, Wanlong Gao ha scritto: >> To see that this 300M memory is allocated from host node0 again, but not >> host node1 as >> I expected. >> >> We think that QEMU can't handled this numa memory allocation well, and it >> will cause the >> cross node memory access performance regression. >> >> Any thoughts? Or, am I missing something? > > Pinning memory to host NUMA nodes is not implemented. Something like > AutoNUMA would be able to balance the memory the right way.
Any plan to implement this? Or, handle this by QEMU is not necessary? I just enabled AutoNUMA on the host kernel, but the memory allocation numbers seems no change at all. Am I missing something? Thanks, Wanlong Gao > > Paolo > >
