[dpdk-dev] [PATCH] eal: change max hugepage sizes to 4

[Hemant Agrawal]

HI Thomas,

> > > DPDK currently is supporting maximum 3 hugepage, sizes whereas
> > > system can support more than this e.g.
> > > 64K, 2M, 32M and 1G.
> >
> > You can mention ARM platform here, and that this issue starts with
> > kernel 5.2 (and I would try to mention this in the title as well).
> > This is better than an annotation that will be lost.
> >
> >
> > > Having these four hugepage sizes available to use by DPDK, which is
> > > valid in case of '--in-memory' EAL option or using 4 separate mount
> > > points for each hugepage size;
> > > hugepage_info_init() API reports an error.
> >
> > Can you describe what is the impact from a user point of view rather
> > than mentioning this internal function?
> 
> Yes please, we need to understand how much it is critical.
> Should we Cc stable at dpdk.org for backport?
> Should it be merged at the last minute in 19.08?
> 

VPP usages in-memory option. So, VPP on ARM with kernel 5.2 wont' work without this patch.