error[E0433]: failed to resolve: use of undeclared crate or module `page_size`
  --> $DIR/path-to-method-sugg-unresolved-expr.rs:2:21
   |
LL |     let page_size = page_size::get();
   |                     ^^^^^^^^^ use of undeclared crate or module `page_size`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0433`.