[dpdk-dev] [PATCH v2 1/5] mem: add --single-file to create single mem-backed file

[Yuanhan Liu]

On Tue, Mar 08, 2016 at 10:49:30AM +0200, Panu Matilainen wrote:
> On 03/07/2016 03:13 PM, Yuanhan Liu wrote:
> >To me, maybe you could base the SINGLE_FILE_SEGMENTS option, and add
> >another option, say --no-sort (I confess this name sucks, but you get
> >my point). With that, we could make sure to create as least huge page
> >files as possible, to fit your case.
> 
> Note that SINGLE_FILE_SEGMENTS is a nasty hack that only the IVSHMEM config
> uses, getting rid of it (by replacing with a runtime switch) would be great.

Can't agree more.

BTW, FYI, Jianfeng and I had a private talk, and we came to agree that
it might be better to handle it outside the normal huge page init stage,
just like this patch does, but adding the support of multiple huge page
sizes. Let's not add more messy code there.

	--yliu

> OTOH IVSHMEM itself seems to have fallen out of the fashion since the memnic
> driver is unmaintained and broken since dpdk 2.0... CC'ing the IVSHMEM
> maintainer in case he has thoughts on this.