Use hugepage for SQE/CQE mmap

[ileixe]

io-uring subsystem allows huge page to be used in mmap: https://lore.gnuweeb.org/io-uring/[email protected]/

Can we provide huge page option in

io-uring/src/util.rs

Line 22 in 0a2283a

pub fn new(fd: &OwnedFd, offset: libc::off_t, len: usize) -> io::Result<Mmap> {

?

[cmazakas]

You should consider just using my crate which comes with the ability to work with all these features: https://github.com/cmazakas/liburing