On Tue, Dec 05, 2017 at 06:58:53AM +0000, Wang, Wei 5. (NSB - CN/Hangzhou)
wrote:
>
>
> Hi, all
>
> In DPDK document, it it described that Virtio in containers Cannot work when
> there are more than VHOST_MEMORY_MAX_NREGIONS(8) hugepages. In another word,
> do not use 2MB hugepage so far. Do you know the reason of this limitation?
It comes from the vhost-user spec.
> In my envirionment, the pdpe1gb is not set in cpu flag, so hugepage can't be
> set to 1GB size. The hugepage number shall be more than 8
>
>
> So is there any solution or workaround to fix this limitation? Or change dpdk
> code to fix this limitation?
>
AFAIK, there are no workarounds. And I think the DPDK EAL memory code need be
refactored a bit to fix this limitation. Unforunately, seems there are no work
on that recently.
--yliu
