Kernel: Store VMObject physical pages in a FixedArray

Let's enforce the invariant that VMObjects don't shrink or grow by
storing the pages in a FixedArray.

1 files changed, 1 insertions, 6 deletions

diff --git a/Kernel/VM/VMObject.cpp b/Kernel/VM/VMObject.cpp
index 5908b4a7ce..99cf074b9c 100644
--- a/Kernel/VM/VMObject.cpp
+++ b/Kernel/VM/VMObject.cpp
@@ -15,14 +15,9 @@ VMObject::VMObject(const VMObject& other)
     MM.register_vmobject(*this);
 }
 
-VMObject::VMObject()
-{
-    MM.register_vmobject(*this);
-}
-
 VMObject::VMObject(size_t size)
+    : m_physical_pages(ceil_div(size, static_cast<size_t>(PAGE_SIZE)))
 {
-    m_physical_pages.resize(ceil_div(size, static_cast<size_t>(PAGE_SIZE)));
     MM.register_vmobject(*this);
 }