Description of problem:

bpf-readahead fails to run.

```
bpf-readahead -d 1
failed to set attach target for do_page_cache_ra: No such process
```

Version-Release number of selected component (if applicable):
Name : libbpf-tools
Version : 0.26.0
Release : 3.el9

How reproducible:

Steps to Reproduce:
1. Download Centos Stream 9 QCOW2 and run it
2. run dnf install libbpf-tools
3. run bpf-readahead -d 1

Actual results:

```
failed to set attach target for do_page_cache_ra: No such process
```

Expected results:
It doesn't error but works as intended

Additional info: