Help needed with hugepages

[David Aldrich]

Hi, we are running on Ubuntu 24.04. The kernel parameters include:

default_hugepagesz=1G hugepagesz=1G hugepages=25 hugepagesz=2M hugepages=1024

No mount point is specified for the huge pages as secondary process
support is not required.

The o/s reports:

$ cat /proc/meminfo | grep HugePages_Total
HugePages_Total:      25
$ cat /proc/meminfo | grep Hugepagesize
Hugepagesize:    1048576 kB

Why does it not report the 2M pages?

When our application runs I see:

EAL: 1024 hugepages of size 2097152 reserved, but no mounted hugetlbfs
found for that size

Is that an error condition?

Best regards
David