How to get HugePages to be used on Linux?

[Vans S]

Has anyone gotten Erlang to use hugepages on linux?  I allocated the default 2MB pages via kernel param, but I see they are not used when I run erlang, I also made it allocated in 2047 sized blocks as recommended by WhatsApp team (tho why 2047 and not 2048).  

Also what about disabling THP, anyone tested with and without?
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