From d03251d3e0a5d24ba4347051689df426c3fcd457 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Gr=C3=A9goire?= <loic@gregoire.dev>
Date: Sun, 27 Sep 2026 17:40:55 -0400
Subject: [PATCH] ex: fix vmem bug

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

diff --git a/src/ex/vmem.zig b/src/ex/vmem.zig
index 3e5a745..d74dc5c 100644
--- a/src/ex/vmem.zig
+++ b/src/ex/vmem.zig
@@ -235,7 +235,7 @@ pub const Arena = struct {
         size: usize,
         options: AllocOptions,
     ) mm.Error!usize {
-        if (size & self.qshift != 0) {
+        if (size & (self.quantum - 1) != 0) {
             return error.InvalidSize;
         }