The kernel in proposed looks good:
$ uname -a
Linux rpi-3b-rev1d2-62e2 5.11.0-1016-raspi #17-Ubuntu SMP PREEMPT Thu Jul 29
15:33:06 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
$ hugeadm --pool-list
Size Minimum Current Maximum Default
65536 0 0 0
2097152 0 0 0 *
33554432 0 0 0
1073741824 0 0 0
$ sudo dmesg | grep -i huge
[ 0.170664] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[ 0.170729] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages
[ 0.170767] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.170804] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages
[ 14.441925] systemd[1]: Mounting Huge Pages File System...
[ 14.804603] systemd[1]: Mounted Huge Pages File System.
** Tags removed: verification-needed-hirsute
** Tags added: verification-done-hirsute
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-raspi-unstable in Ubuntu.
https://bugs.launchpad.net/bugs/1933627
Title:
HUGETLBFS is disabled
Status in linux-raspi package in Ubuntu:
Fix Committed
Status in linux-raspi-unstable package in Ubuntu:
Fix Committed
Status in linux-raspi source package in Hirsute:
Fix Committed
Status in linux-raspi-unstable source package in Impish:
Fix Committed
Bug description:
[Impact]
Huge pages can't be managed via hugeadm which requires hugetlbfs.
[Test Case]
$ hugeadm --pool-list
hugeadm:ERROR: kernel does not support huge pages
With fix:
$ hugeadm --pool-list
Size Minimum Current Maximum Default
65536 0 0 0
2097152 0 0 0 *
33554432 0 0 0
1073741824 0 0 0
[Fix]
Enable CONFIG_HUGETLBFS
[Regression Potential]
This config enables code that is disabled by default. However, there
is minimal stub code running at boot so problems would most likely
show up as splats during boot or later on when hugetlbfs is explicitly
mounted by systemd.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1933627/+subscriptions
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