[dpdk-users] Mempool allocation fails on first boot; but succeeds after system reboot
Stephen Hemminger
stephen at networkplumber.org
Wed Aug 17 17:39:48 CEST 2016
On Wed, 17 Aug 2016 13:10:35 +0000
Sarthak Ray <sarthak_ray at outlook.com> wrote:
> Hi,
>
> I am using dpdk-2.1.0 for a platform appliance, where I am facing issue with mempool allocation.
>
> On the firstboot of the newly installed appliance, my dpdk application is not coming up saying failure in mbuf allocation on socket 0. But once I reboot the system, it comes up without any issues.
How big is the huge page memory on the system?
On initial boot, the free memory is usually contiguous after a lot of programs
run it gets fragmented. You can configure grub command line to reserve huge pages
before userspace starts; see kernel documentation Documentation/vm/hugepages.txt
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