[CentOS] Transparent HugePages question

m.roth at 5-cent.us
Wed, 24 Aug 2016 15:12:08 -0000

Laurentiu Soica wrote:
> Hello,
>
> I have a CentOS 7 installation on baremetal with 2 CPUs, 10 cores each and
> HT enabled, 128 GB RAM.
>
> The system has transparent hugetables enabled.
<snip>
> So it turns out that even is I have the THP enabled the pages still have a
> size of 4K .
>
> Is there any extra setup in order to get 2MB pages ?
>
Be aware that with transparent huge pages enabled - I'm trying to remember
what error you might get - it may be the "CPU blocked for x 120
seconds",
as it deals with the page.

        mark, back from vacation