diff options
Diffstat (limited to 'rust/kernel/allocator.rs')
-rw-r--r-- | rust/kernel/allocator.rs | 41 |
1 files changed, 2 insertions, 39 deletions
diff --git a/rust/kernel/allocator.rs b/rust/kernel/allocator.rs index 280676993074..cfb406e2a710 100644 --- a/rust/kernel/allocator.rs +++ b/rust/kernel/allocator.rs @@ -26,43 +26,6 @@ unsafe impl GlobalAlloc for KernelAllocator { #[global_allocator] static ALLOCATOR: KernelAllocator = KernelAllocator; -// `rustc` only generates these for some crate types. Even then, we would need -// to extract the object file that has them from the archive. For the moment, -// let's generate them ourselves instead. -// -// Note that `#[no_mangle]` implies exported too, nowadays. -#[allow(clippy::no_mangle_with_rust_abi)] +// See <https://github.com/rust-lang/rust/pull/86844>. #[no_mangle] -fn __rust_alloc(size: usize, _align: usize) -> *mut u8 { - unsafe { bindings::krealloc(core::ptr::null(), size, bindings::GFP_KERNEL) as *mut u8 } -} - -#[allow(clippy::no_mangle_with_rust_abi)] -#[no_mangle] -fn __rust_dealloc(ptr: *mut u8, _size: usize, _align: usize) { - unsafe { bindings::kfree(ptr as *const core::ffi::c_void) }; -} - -#[allow(clippy::no_mangle_with_rust_abi)] -#[no_mangle] -fn __rust_realloc(ptr: *mut u8, _old_size: usize, _align: usize, new_size: usize) -> *mut u8 { - unsafe { - bindings::krealloc( - ptr as *const core::ffi::c_void, - new_size, - bindings::GFP_KERNEL, - ) as *mut u8 - } -} - -#[allow(clippy::no_mangle_with_rust_abi)] -#[no_mangle] -fn __rust_alloc_zeroed(size: usize, _align: usize) -> *mut u8 { - unsafe { - bindings::krealloc( - core::ptr::null(), - size, - bindings::GFP_KERNEL | bindings::__GFP_ZERO, - ) as *mut u8 - } -} +static __rust_no_alloc_shim_is_unstable: u8 = 0; |