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| author | Wedson Almeida Filho <wedsonaf@gmail.com> | 2022-12-28 06:03:40 +0000 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2023-01-16 22:20:03 +0100 |
| commit | 9dc04365500340e6d60a996333d562af747337b1 (patch) | |
| tree | 01ac23b5d7c496652e5252e24edafee4fc0550f8 /rust/bindings/bindings_helper.h | |
| parent | cb7d9defdafba4c1d463a09c9b09876066f81ee4 (diff) | |
| download | lwn-9dc04365500340e6d60a996333d562af747337b1.tar.gz lwn-9dc04365500340e6d60a996333d562af747337b1.zip | |
rust: sync: add `Arc` for ref-counted allocations
This is a basic implementation of `Arc` backed by C's `refcount_t`. It
allows Rust code to idiomatically allocate memory that is ref-counted.
Cc: Will Deacon <will@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Wedson Almeida Filho <wedsonaf@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
Acked-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'rust/bindings/bindings_helper.h')
| -rw-r--r-- | rust/bindings/bindings_helper.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h index c48bc284214a..75d85bd6c592 100644 --- a/rust/bindings/bindings_helper.h +++ b/rust/bindings/bindings_helper.h @@ -7,6 +7,7 @@ */ #include <linux/slab.h> +#include <linux/refcount.h> /* `bindgen` gets confused at certain things. */ const gfp_t BINDINGS_GFP_KERNEL = GFP_KERNEL; |