diff --git a/library/alloc/src/raw_vec.rs b/library/alloc/src/raw_vec.rs
index 069c0e4bc53b6..4e7a5f5dcfa49 100644
--- a/library/alloc/src/raw_vec.rs
+++ b/library/alloc/src/raw_vec.rs
@@ -574,7 +574,8 @@ unsafe impl<#[may_dangle] T, A: Allocator> Drop for RawVec<T, A> {
     }
 }
 
-// Central function for reserve error handling.
+/// Central function for reserve error handling.
+/// Deliberately non-generic to reduce codegen bloat!
 #[cfg(not(no_global_oom_handling))]
 #[cold]
 fn handle_reserve_error(e: TryReserveError) -> ! {