From: Stephen Hemminger <stephen@networkplumber.org>
To: Lokesh Chakka <lvenkatakumarchakka@gmail.com>
Cc: users <users@dpdk.org>
Subject: Re: No free hugepages reported
Date: Sun, 31 Mar 2024 12:06:33 -0700 [thread overview]
Message-ID: <20240331120633.05256df7@hermes.local> (raw)
In-Reply-To: <CACh--sjvGr4Q21gsiNF63V6ffZLBzAEsi_OnsO9BJFXAsFTauw@mail.gmail.com>
On Sun, 31 Mar 2024 16:28:19 +0530
Lokesh Chakka <lvenkatakumarchakka@gmail.com> wrote:
> Hello,
>
> I've installed dpdk in Ubuntu 23.10 with the command "sudo apt -y install
> dpdk*"
>
> added "nodev /mnt/huge hugetlbfs pagesize=1GB 0 0" in /etc/fstab
> added "vm.nr_hugepages=1024" in /etc/sysctl.conf
>
> rebooted the machine and then did devbind using the following command:
>
> sudo modprobe vfio-pci && sudo dpdk-devbind.py --bind=vfio-pci 63:00.0
> 63:00.1
>
> Huge page info is as follows :
>
> *************************************************
> $ cat /proc/meminfo | grep Huge
> AnonHugePages: 6144 kB
> ShmemHugePages: 0 kB
> FileHugePages: 0 kB
> HugePages_Total: 1024
> HugePages_Free: 1023
> HugePages_Rsvd: 0
> HugePages_Surp: 0
> Hugepagesize: 2048 kB
> Hugetlb: 2097152 kB
> *************************************************
Your hugepages are not setup correctly. The mount is for 1G pages
and the sysctl entry makes 2M pages.
Did you try using the dpdk-hugepages script?
next prev parent reply other threads:[~2024-03-31 19:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-31 10:58 Lokesh Chakka
2024-03-31 19:06 ` Stephen Hemminger [this message]
2024-03-31 21:20 ` Lokesh Chakka
2024-04-02 7:14 ` Lokesh Chakka
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