linux/samples/rust/rust_minimal.rs
Wedson Almeida Filho 5ab560ce12 rust: alloc: update VecExt to take allocation flags
We also rename the methods by removing the `try_` prefix since the names
are available due to our usage of the `no_global_oom_handling` config
when building the `alloc` crate.

Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Reviewed-by: Benno Lossin <benno.lossin@proton.me>
Link: https://lore.kernel.org/r/20240328013603.206764-8-wedsonaf@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2024-04-16 22:50:04 +02:00

39 lines
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Rust

// SPDX-License-Identifier: GPL-2.0
//! Rust minimal sample.
use kernel::prelude::*;
module! {
type: RustMinimal,
name: "rust_minimal",
author: "Rust for Linux Contributors",
description: "Rust minimal sample",
license: "GPL",
}
struct RustMinimal {
numbers: Vec<i32>,
}
impl kernel::Module for RustMinimal {
fn init(_module: &'static ThisModule) -> Result<Self> {
pr_info!("Rust minimal sample (init)\n");
pr_info!("Am I built-in? {}\n", !cfg!(MODULE));
let mut numbers = Vec::new();
numbers.push(72, GFP_KERNEL)?;
numbers.push(108, GFP_KERNEL)?;
numbers.push(200, GFP_KERNEL)?;
Ok(RustMinimal { numbers })
}
}
impl Drop for RustMinimal {
fn drop(&mut self) {
pr_info!("My numbers are {:?}\n", self.numbers);
pr_info!("Rust minimal sample (exit)\n");
}
}