#ifndef VA2PA_H_
#define VA2PA_H_

#include <stdint.h>
#include "rib.h"

// to store page frame numbers
typedef uintptr_t pfn;

//int assign(struct va2pa * map, int size, unsigned va, unsigned pa);

// store vpn->pfn map of a contiguous memory area from /proc/self/pagemap
// map - pointer array of pfn
// area - pointer to start of the area (must be page aligned)
// size - size of the area in bytes (must be page aligned)
unsigned va_to_pa(pfn * map, void * area, size_t size);

// try to allocate memory area where virtual and physical pages belong to same sets
// size - amount to allocate (page-size aligned)
// pageset - how many sets of pages to take into account
void * smart_alloc(size_t size, unsigned pagesets, bool executable = false);

#endif /*VA2PA_H_*/