[libvirt] [PATCH 0/6] Few NUMA fixes
Ján Tomko
jtomko at redhat.com
Mon Mar 30 13:17:07 UTC 2015
On Fri, Mar 27, 2015 at 03:26:48PM +0100, Michal Privoznik wrote:
> The heart of the patchset are the last two patches. Long story
> short, if a domain is configured to be pinned onto a set of NUMA
> nodes stricly, we use both CGroups and numa_set_membind(). While
> we can change the former later on a user's wish, we can't change
> the latter. Therefore, any subsequent memory enlargement (e.g.
> via virsh setmem $dom) will result in memory still being
> allocated from old NUMA nodes and OOM killer interference is
> likely to occur.
>
> Michal Privoznik (6):
> virCgroupNewPartition: Fix comment
> virCgroupNew: Enhance debug message
> virCgroupController: Check the enum fits into 'int'
> qemuDomainGetNumaParameters: Check for the correct CGroup controller
> qemuProcessHook: Call virNuma*() iff needed
> virLXCControllerSetupResourceLimits: Call virNuma*() iff needed
>
ACK to patches 1-4, safe during the freeze.
Jan
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