From ce24526da5c66f1840721707023ae4ecab51486e Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Fri, 4 Feb 2022 18:29:31 -0700
Subject: Implemented new Real-Time friendly Memory Allocation Scheme

---
 src/lib/kmem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/kmem.c b/src/lib/kmem.c
index fc91fc4..5fda56a 100644
--- a/src/lib/kmem.c
+++ b/src/lib/kmem.c
@@ -36,6 +36,8 @@ void* kcalloc(unsigned int size)
 
 void* krealloc(void* old, unsigned int size)
 {
+	if (!(kmem_begin <= old && old < kmem_begin + 0x200000))
+		return 0;
 	unsigned long old_size = 1;
 	while (!((unsigned long)kmem_begin + 0x1000*(old_size/2) <= (unsigned long)old && (unsigned long)old < (unsigned long)kmem_begin + 0x1000*old_size))
 		old_size *= 2;
-- 
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