Commit 8d3e8057 authored by Onur Özkan's avatar Onur Özkan Committed by Danilo Krummrich
Browse files

rust: make `ArrayLayout::new_unchecked` a `const fn` 



Makes `ArrayLayout::new_unchecked` a `const fn` to allow
compile-time evaluation.

Signed-off-by: default avatarOnur Özkan <work@onurozkan.dev>
Reviewed-by: default avatarAlice Ryhl <aliceryhl@google.com>
Reviewed-by: default avatarBenno Lossin <lossin@kernel.org>
Link: https://lore.kernel.org/r/20250720094838.29530-3-work@onurozkan.dev


Signed-off-by: default avatarDanilo Krummrich <dakr@kernel.org>
parent a55498c7

rust/kernel/alloc/layout.rs

+1 −1
Original line number Diff line number Diff line
@@ -80,7 +80,7 @@ pub const fn new(len: usize) -> Result<Self, LayoutError> { 
    /// # Safety

    ///

    /// `len` must be a value, for which `len * size_of::<T>() <= isize::MAX` is true.

    pub unsafe fn new_unchecked(len: usize) -> Self {

    pub const unsafe fn new_unchecked(len: usize) -> Self {

        // INVARIANT: By the safety requirements of this function

        // `len * size_of::<T>() <= isize::MAX`.

        Self {