From 9c5e3cd818fe099932b4a6d08975b1a83b2a1be8 Mon Sep 17 00:00:00 2001
From: Conrad Pankoff <deoxxa@fknsrs.biz>
Date: Tue, 17 Sep 2019 09:58:38 +1000
Subject: [PATCH] Kernel: Ignore memory the bootloader gives us above 2^32

---
 Kernel/VM/MemoryManager.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Kernel/VM/MemoryManager.cpp b/Kernel/VM/MemoryManager.cpp
index aec869b03a..9436273fe2 100644
--- a/Kernel/VM/MemoryManager.cpp
+++ b/Kernel/VM/MemoryManager.cpp
@@ -99,6 +99,9 @@ void MemoryManager::initialize_paging()
         if (mmap->addr < (1 * MB))
             continue;
 
+        if ((mmap->addr + mmap->len) > 0xffffffff)
+            continue;
+
 #ifdef MM_DEBUG
         kprintf("MM: considering memory at %p - %p\n",
             (u32)mmap->addr, (u32)(mmap->addr + mmap->len));