diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-02-15 16:03:04 -0500 |
|---|---|---|
| committer | Suren Baghdasaryan <surenb@google.com> | 2024-03-21 00:05:22 +0000 |
| commit | 9cba5083a14c13cead81dc3fffe402b67855e115 (patch) | |
| tree | 8a0f471b79ce6480b7e5f1053adec532b347fd31 /rust/helpers.c | |
| parent | 33f96b57a6d7cebaa26f83cb1a6f99d466bbd6bc (diff) | |
rust: Add a rust helper for krealloc()
Memory allocation profiling is turning krealloc() into a nontrivial
macro - so for now, we need a helper for it.
Until we have proper support on the rust side for memory allocation
profiling this does mean that all Rust allocations will be accounted to
the helper.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Gary Guo <gary@garyguo.net>
Cc: "Björn Roy Baron" <bjorn3_gh@protonmail.com>
Cc: Benno Lossin <benno.lossin@proton.me>
Cc: Andreas Hindborg <a.hindborg@samsung.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: rust-for-linux@vger.kernel.org
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'rust/helpers.c')
| -rw-r--r-- | rust/helpers.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/rust/helpers.c b/rust/helpers.c index 70e59efd92bc..858d802abd11 100644 --- a/rust/helpers.c +++ b/rust/helpers.c @@ -28,6 +28,7 @@ #include <linux/mutex.h> #include <linux/refcount.h> #include <linux/sched/signal.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <linux/wait.h> #include <linux/workqueue.h> @@ -157,6 +158,13 @@ void rust_helper_init_work_with_key(struct work_struct *work, work_func_t func, } EXPORT_SYMBOL_GPL(rust_helper_init_work_with_key); +void * __must_check __realloc_size(2) +rust_helper_krealloc(const void *objp, size_t new_size, gfp_t flags) +{ + return krealloc(objp, new_size, flags); +} +EXPORT_SYMBOL_GPL(rust_helper_krealloc); + /* * `bindgen` binds the C `size_t` type as the Rust `usize` type, so we can * use it in contexts where Rust expects a `usize` like slice (array) indices. |