Squash commits for public release

kernel/include/mem/vm_address_space.h

@@ -0,0 +1,20 @@
+#ifndef _KERNEL_MEM_VM_ADDRESS_SPACE_H
+#define _KERNEL_MEM_VM_ADDRESS_SPACE_H
+
+#include <algo/dynamic_array.h>
+#include <libkern/libkern.h>
+#include <libkern/lock.h>
+#include <mem/bits/vm.h>
+
+struct vm_address_space {
+    ptable_t* pdir;
+    dynamic_array_t zones;
+    int count;
+    spinlock_t lock;
+};
+typedef struct vm_address_space vm_address_space_t;
+
+vm_address_space_t* vm_address_space_alloc();
+int vm_address_space_free(vm_address_space_t* old);
+
+#endif // _KERNEL_MEM_VM_ADDRESS_SPACE_H