From 178558c6d7ae3e5203c58ac9632aa71e0a36d8be Mon Sep 17 00:00:00 2001
From: Gigi <haze-magus7l@icloud.com>
Date: Sat, 20 Dec 2025 10:44:51 +0100
Subject: [PATCH] fix(tree): correct block buffer eviction policy comment
 (#20512)

---
 crates/engine/tree/src/tree/block_buffer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/engine/tree/src/tree/block_buffer.rs b/crates/engine/tree/src/tree/block_buffer.rs
index d09cfb819d..dff6863fd7 100644
--- a/crates/engine/tree/src/tree/block_buffer.rs
+++ b/crates/engine/tree/src/tree/block_buffer.rs
@@ -14,7 +14,7 @@ use std::collections::{BTreeMap, HashMap, HashSet, VecDeque};
 /// * [`BlockBuffer::remove_old_blocks`] to remove old blocks that precede the finalized number.
 ///
 /// Note: Buffer is limited by number of blocks that it can contain and eviction of the block
-/// is done by last recently used block.
+/// is done in FIFO order (oldest inserted block is evicted first).
 #[derive(Debug)]
 pub struct BlockBuffer<B: Block> {
     /// All blocks in the buffer stored by their block hash.