[libvirt] [PATCH v2 1/7] virnuma: Introduce virNumaNodeIsAvailable
Daniel P. Berrange
berrange at redhat.com
Thu Jun 19 10:52:30 UTC 2014
On Mon, Jun 16, 2014 at 05:08:24PM +0200, Michal Privoznik wrote:
> Not on all hosts the set of NUMA nodes IDs is continuous. This is
> critical, because our code currently assumes the set doesn't contain
> holes. For instance in nodeGetFreeMemory() we can see the following
> pattern:
>
> if ((max_node = virNumaGetMaxNode()) < 0)
> return 0;
>
> for (n = 0; n <= max_node; n++) {
> ...
> }
>
> while it should be something like this:
>
> if ((max_node = virNumaGetMaxNode()) < 0)
> return 0;
>
> for (n = 0; n <= max_node; n++) {
> if (!virNumaNodeIsAvailable(n))
> continue;
> ...
> }
>
> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
> ---
> src/libvirt_private.syms | 1 +
> src/util/virnuma.c | 36 ++++++++++++++++++++++++++++++++++--
> src/util/virnuma.h | 1 +
> 3 files changed, 36 insertions(+), 2 deletions(-)
ACK
Regards,
Daniel
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