[PATCH v2 2/2] rust: alloc: fix `Vec::extend_with` SAFETY comment

Hsiu Che Yu
2026-04-25T10:17:59Z

Fix an incorrect operator in the SAFETY comment, changing `<` to `<=`,
since `Vec::reserve` guarantees capacity for exactly n additional elements,
so the equal case should be included.

Signed-off-by: Hsiu Che Yu <yu.whisper.personal@gmail.com>
---
rust/kernel/alloc/kvec.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/kernel/alloc/kvec.rs b/rust/kernel/alloc/kvec.rs
index 408a51ad3623..fc4bf0a7934d 100644
--- a/rust/kernel/alloc/kvec.rs
+++ b/rust/kernel/alloc/kvec.rs
@@ -772,7 +772,7 @@ pub fn extend_with(&mut self, n: usize, value: T, flags: Flags) -> Result<(), Al
spare[n - 1].write(value);

// SAFETY:
- // - `self.len() + n < self.capacity()` due to the call to reserve above,
+ // - `self.len() + n <= self.capacity()` due to the call to reserve above,
// - the loop and the line above initialized the next `n` elements.
unsafe { self.inc_len(n) };

--
2.43.0