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Re: [Qemu-devel] QEMU NUMA and memory allocation problem

From: Paolo Bonzini
Subject: Re: [Qemu-devel] QEMU NUMA and memory allocation problem
Date: Thu, 16 May 2013 14:02:11 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4

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.


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