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Commitfde578c862("rust: alloc: replace aligned_size() with Kmalloc::aligned_layout()") provides a public `aligned_layout` function in `Kamlloc`, but not in `Cmalloc`, and thus uses of it will trigger an error in `rusttest`. Such a user appeared in the following commit22ab0641b9("rust: drm: ensure kmalloc() compatible Layout"): error[E0599]: no function or associated item named `aligned_layout` found for struct `alloc::allocator_test::Cmalloc` in the current scope --> rust/kernel/drm/device.rs💯31 | 100 | let layout = Kmalloc::aligned_layout(Layout:🆕:<Self>()); | ^^^^^^^^^^^^^^ function or associated item not found in `Cmalloc` | ::: rust/kernel/alloc/allocator_test.rs:19:1 | 19 | pub struct Cmalloc; | ------------------ function or associated item `aligned_layout` not found for this struct Thus add an equivalent one for `Cmalloc`. Fixes:fde578c862("rust: alloc: replace aligned_size() with Kmalloc::aligned_layout()") Signed-off-by: Miguel Ojeda <ojeda@kernel.org> Link: https://lore.kernel.org/r/20250816204215.2719559-1-ojeda@kernel.org Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.