Squash commits for public release

kernel/include/mem/vm_alloc.h

@@ -0,0 +1,21 @@
+#ifndef _KERNEL_MEM_VM_ALLOC_H
+#define _KERNEL_MEM_VM_ALLOC_H
+
+#include <libkern/libkern.h>
+#include <mem/bits/vm.h>
+#include <mem/kmemzone.h>
+
+uintptr_t vm_alloc_pdir_paddr();
+uintptr_t vm_alloc_ptable_paddr(ptable_lv_t lv);
+uintptr_t vm_alloc_ptables_to_cover_page();
+void vm_free_ptables_to_cover_page(uintptr_t addr);
+uintptr_t vm_alloc_page_paddr();
+void vm_free_page_paddr(uintptr_t addr);
+
+int vm_alloc_mapped_zone(size_t size, size_t alignment, kmemzone_t* zone, mmu_flags_t flags);
+int vm_free_mapped_zone(kmemzone_t zone);
+
+ptable_t* vm_alloc_ptable_lv_top();
+void vm_free_ptable_lv_top(ptable_t* pdir);
+
+#endif // _KERNEL_MEM_VM_ALLOC_H