On Sun, Mar 09, 2025 at 07:37:54PM +0800, kernel test robot wrote: > >> error[E0425]: cannot find function `mmput_async` in crate `bindings` > --> rust/kernel/mm.rs:143:28 > | > 143 | unsafe { bindings::mmput_async(obj.cast().as_ptr()) }; > | ^^^^^^^^^^^ not found in `bindings` It looks like the mmput_async function doesn't exist at all when CONFIG_MMU is disabled? I guess I can just make the MmWithUserAsync type not exist at all when CONFIG_MMU is disabled to mirror that, but it seems a bit weird. Alice