warning: unused variable: `caller`
  --> <project>/reports/os-implementation/K1365-shared-memory-create-local-preflight-MdyJnL/workspace/kernel/tests/os/../../../os-shared-memory/src/object.rs:64:31
   |
64 |     pub fn acquire(&mut self, caller: P, handle: Handle<P>)
   |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_caller`
   |
   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default

warning: 1 warning emitted