Bug#1105739: systemd: dev-hugepages.mount lacks support for 1GB hugepages

[Luca Boccassi]

Control: tags -1 wontfix
Control: close -1

On Tue, 13 May 2025 18:53:59 -0600 Gene Black <gblack at stctelecom.net>
wrote:
> Package: systemd
> Version: 252.36-1~deb12u1
> Severity: normal
> Tags: newcomer upstream
> X-Debbugs-Cc: gblack at stctelecom.net
> 
> Dear Maintainer,
> 
> dev-hugepages.mount does not specify a pagesize for hugepages and
> appears to default to 2MB pages. It should instead determine what
> pagesizes are supported and then mount with the appropriate pagesize.
> I hacked in a fix by adding "Options=pagesize=1GB" to my setup as my
> hardware isn't going to change, but this solution isn't appropriate
for
> everyone.

You can customize hugepages for your specific use cases via sysctl:

https://wiki.debian.org/Hugepages