From e323942623b0e15d9a124f51a739de613119cf1e Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 13 Jul 2021 19:55:39 +0200
Subject: [PATCH] Kernel: Only loop through usable zones when allocating >1
 physical page

We still have to loop here, since a zone can be "usable" while not
being able to satisfy a multi-page allocation request.
---
 Kernel/VM/PhysicalRegion.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/VM/PhysicalRegion.cpp b/Kernel/VM/PhysicalRegion.cpp
index 61c6301ae5d..6b74058e4cd 100644
--- a/Kernel/VM/PhysicalRegion.cpp
+++ b/Kernel/VM/PhysicalRegion.cpp
@@ -74,7 +74,7 @@ NonnullRefPtrVector<PhysicalPage> PhysicalRegion::take_contiguous_free_pages(siz
     auto order = __builtin_ctz(rounded_page_count);
 
     Optional<PhysicalAddress> page_base;
-    for (auto& zone : m_zones) {
+    for (auto& zone : m_usable_zones) {
         page_base = zone.allocate_block(order);
         if (page_base.has_value()) {
             if (zone.is_empty()) {