Commit 9acb4e63 authored Aug 20, 2025 by Danilo Krummrich

rust: alloc: layout: implement ArrayLayout::size()



Provide a convenience method for ArrayLayout to calculate the size of
the ArrayLayout in bytes.

Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Abdiel Janulgue <abdiel.janulgue@gmail.com>
Link: https://lore.kernel.org/r/20250820145434.94745-7-dakr@kernel.org


Signed-off-by: Danilo Krummrich <dakr@kernel.org>

parent 67161843

rust/kernel/alloc/layout.rs

+5 −0

Original line number	Diff line number	Diff line
		@@ -98,6 +98,11 @@ pub const fn len(&self) -> usize {
		pub const fn is_empty(&self) -> bool {
		self.len == 0
		}

		/// Returns the size of the [`ArrayLayout`] in bytes.
		pub const fn size(&self) -> usize {
		self.len() * core::mem::size_of::<T>()
		}
		}

		impl<T> From<ArrayLayout<T>> for Layout {