View of xos/mm/lowmem.h

/* 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 LOWMEM_H
#define LOWMEM_H
 
void lowmem_init(unsigned short size_m, void *start_data);
void lowmem_print_info();
 
void *alloc_page_frames(unsigned int k);
void free_page_frames(void *ptr, unsigned int k);
 
unsigned long alloc_page_frame_lowmem();
void hold_page_frame_lowmem(unsigned long page_frame);
void release_page_frame_lowmem(unsigned long page_frame);
int is_page_frame_shared_lowmem(unsigned long page_frame);
 
#endif