[dpdk-dev] [PATCH v2 0/5] Allow using virtio without hugepages

[Tiwei Bie]

On Tue, Dec 11, 2018 at 04:43:27PM +0000, Anatoly Burakov wrote:
> It is already possible to use both DPDK in general and
> virtio specifically, without hugetlbfs mounts, but
> currently virtio cannot be used without hugepage memory
> (i.e. with a --no-huge EAL switch) due to the fact that
> it needs to share memory with the backend.
> 
> This patchset uses memfd to create actual files backing
> anonymous memory. This enabled virtio to work not only
> without hugetlbfs, but without hugepages altogether,
> which could be useful in Cloud Native scenarios.

Nice work!

Acked-by: Tiwei Bie <tiwei.bie at intel.com>

> 
> v2:
> - Fixed segment fd list not being initialized
> - Added some segment fd API fixes
> - Added unit test for segment fd API
> 
> Anatoly Burakov (5):
>   mem: fix error code for segment fd API for external segs
>   memalloc: check for memfd support in segment fd API
>   memalloc: allow setting up segment list fd's
>   mem: use memfd for no-huge mode
>   test: add segment fd API test
> 
>  doc/guides/rel_notes/release_19_02.rst     | 13 +++++
>  lib/librte_eal/bsdapp/eal/eal_memalloc.c   |  6 ++
>  lib/librte_eal/common/eal_common_memory.c  | 12 ++++
>  lib/librte_eal/common/eal_memalloc.h       |  4 ++
>  lib/librte_eal/linuxapp/eal/eal_memalloc.c | 66 +++++++++++++++++++---
>  lib/librte_eal/linuxapp/eal/eal_memory.c   | 54 +++++++++++++++++-
>  test/test/test_memory.c                    | 43 ++++++++++++++
>  7 files changed, 188 insertions(+), 10 deletions(-)
> 
> -- 
> 2.17.1