Messages in this thread | | | Date | Thu, 23 Feb 2023 13:31:44 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH 14/19] mm: Introduce a cgroup for pinned memory |
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On Thu, Feb 23, 2023 at 09:12:19AM +0000, Daniel P. Berrangé wrote:
> The memory limits we can set on VMs are somewhat limited. In general > we prefer to avoid setting any hard per-VM memory cap by default.
So if you don't use hard limits on the memcg..
But to do this with a hard limit: > We do still have to apply some tuning for VFIO, around what amount > of memory it is allowed to lock, but that is not so bad as we just > need to allow it to lock guest RAM which is known + an finite extra > amount, so don't need to take account of all of QEMU's memory > allocations in general.
Will need its own controller, right?
Jason
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