/* Copyright (C) 2008  Emmanuel Varoquaux

   This file is part of XOS.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. */

#ifndef HIGHMEM_H
#define HIGHMEM_H

void highmem_init(unsigned short start_m, unsigned short size_m, void *start_data, void **end_data);
void highmem_print_info();

int is_highmem(unsigned long page_frame);
unsigned long alloc_page_frame_highmem();
void hold_page_frame_highmem(unsigned long page_frame);
void release_page_frame_highmem(unsigned long page_frame);
int is_page_frame_shared_highmem(unsigned long page_frame);

#endif