linux-kernel - [PATCH v3 0/2] rust: alloc: kvec doc example and allocator unit tests

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Message-Id: <cover.1753339262.git.zhuhui@kylinos.cn>
Date: Thu, 24 Jul 2025 15:54:17 +0800
From: Hui Zhu <hui.zhu@...ux.dev>
To: Danilo Krummrich <dakr@...nel.org>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	"Liam R . Howlett" <Liam.Howlett@...cle.com>,
	Uladzislau Rezki <urezki@...il.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	bjorn3_gh@...tonmail.com,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Hui Zhu <zhuhui@...inos.cn>
Subject: [PATCH v3 0/2] rust: alloc: kvec doc example and allocator unit tests

From: Hui Zhu <zhuhui@...inos.cn>

This series includes two Rust patches:

Patch 1 adds KUnit tests for Rust allocation wrappers (kmalloc, vmalloc,
kvmalloc). It covers basic allocations, large alignments, and checks for
expected failures. Each test verifies content integrity through byte
pattern checks.

Patch 2 improves the documentation for `KVec::as_slice()` by adding a
code example. This shows how to use the method with push operations and
assertions.

Both patches are co-developed with Geliang Tang. Tested on x86_64 using
KUnit.

Changelog:
v3:
According to the comments of Danilo and Boqun, move KVec test to doc
example and move VBox to allocator unit tests.
v2:
According to the comments of Danilo, updated the commit to samples the
usage of VBox and KVec.

Hui Zhu (2):
  rust: allocator: add unit tests of kmalloc, vmalloc and kvmalloc
  rust: alloc: kvec: add doc example for `as_slice` method

 rust/kernel/alloc/allocator.rs | 57 ++++++++++++++++++++++++++++++++++
 rust/kernel/alloc/kvec.rs      |  9 ++++++
 2 files changed, 66 insertions(+)

-- 
2.43.0