Hi Matt, On Mon, Jun 30, 2014 at 05:43:39PM -0500, Matt Laswell wrote: > Hey Folks, > > In my application, I'm seeing some design considerations in a project > I'm working on that push me towards the use of smaller memory page > sizes. I'm curious - is it possible in practical terms to run DPDK without > hugepages?
> If so, does anybody have any practical experience (or a > back-of-the-envelop estimate) of how badly such a configuration would > hurt performance? For sake of argument, assume that virtually all of > the memory being used is in pre-allocated mempools (e.g lots of > rte_mempool_create(), very little rte_malloc(). > There is an case to run DPDK without hugepages in DPDK source codes, which is DPDK supports Xen Dom0. for this, we developed a dom0_mm driver. Except for Xen Dom0, it is impossible to run DPDK without hugepages without any changes at memory initialization phase, but current rte_memzone_reserve_bounded() and rte_mempool_xmem_create() implemention have already support non-hugepage usage in DPDK. Thanks, Jeff
