From 86caeafc7735b2dfd15752b112df15473293c617 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Gr=C3=A9goire?= <loic@gregoire.dev>
Date: Thu, 14 May 2026 09:08:02 -0400
Subject: [PATCH] mm/zone: fix wrong magtype selection

---
 src/mm/zone.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mm/zone.zig b/src/mm/zone.zig
index 4ba2e9b..e41e132 100644
--- a/src/mm/zone.zig
+++ b/src/mm/zone.zig
@@ -319,7 +319,7 @@ pub const Zone = struct {
 
         self.magtype = null;
         for (&magtypes) |*mtype| {
-            if (chunk_size > mtype.minbuf) {
+            if (chunk_size > mtype.minbuf and chunk_size <= mtype.maxbuf) {
                 self.magtype = mtype;
                 break;
             }