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charset="utf-8" Rust Binder wants to use inline bitmaps whenever possible to avoid allocations, so introduce a constructor for an IdPool with arbitrary capacity that stores the bitmap inline. The existing constructor could be renamed to with_capacity() to match constructors for other similar types, but it is removed as there is currently no user for it. Acked-by: Yury Norov (NVIDIA) Reviewed-by: Burak Emir Reviewed-by: Danilo Krummrich Signed-off-by: Alice Ryhl --- rust/kernel/id_pool.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/rust/kernel/id_pool.rs b/rust/kernel/id_pool.rs index 5942f678db015e902fa482eb64c38512a468e449..6f607f04331c9bd3fc79c6d91d04005bd0685839 100644 --- a/rust/kernel/id_pool.rs +++ b/rust/kernel/id_pool.rs @@ -95,6 +95,18 @@ pub fn realloc(&self, flags: Flags) -> Result { } impl IdPool { + /// Constructs a new [`IdPool`]. + /// + /// The pool will have a capacity of [`NO_ALLOC_MAX_LEN`]. + /// + /// [`NO_ALLOC_MAX_LEN`]: BitmapVec::NO_ALLOC_MAX_LEN + #[inline] + pub fn new() -> Self { + Self { + map: BitmapVec::new_inline(), + } + } + /// Constructs a new [`IdPool`] with space for a specific number of bits. /// /// A capacity below [`NO_ALLOC_MAX_LEN`] is adjusted to @@ -224,3 +236,10 @@ pub fn release_id(&mut self, id: usize) { self.map.clear_bit(id); } } + +impl Default for IdPool { + #[inline] + fn default() -> Self { + Self::new() + } +} -- 2.51.2.1041.gc1ab5b90ca-goog