From 7ca3a19eed95bf1e7b6f8e29975562f63da9b7e2 Mon Sep 17 00:00:00 2001
From: "Justin C. Miller" <justin@justin.cm>
Date: Thu, 31 Dec 2020 00:59:48 -0800
Subject: [PATCH] [kernel] Fix vm_space extra deletion

vm_space::clear() was freeing pages on process exit even when free was
false, and potentially double-freeing some pages.
---
 src/kernel/vm_space.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/kernel/vm_space.cpp b/src/kernel/vm_space.cpp
index 28bbbe6..fd14f30 100644
--- a/src/kernel/vm_space.cpp
+++ b/src/kernel/vm_space.cpp
@@ -212,7 +212,6 @@ vm_space::clear(const vm_area &vma, uintptr_t offset, size_t count, bool free)
 				free_start = phys;
 				free_count = 1;
 			}
-			fa.free(e & ~0xfffull, 1);
 		}
 
 		e = 0;