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Bahadir Balban
2008-01-13 13:53:52 +00:00
commit e2b791a3d8
789 changed files with 95825 additions and 0 deletions
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32
tasks/mm0/include/memory.h Normal file
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/*
* Physical page descriptor
*
* Copyright (C) 2007 Bahadir Balban
*/
#ifndef __MEMORY_H__
#define __MEMORY_H__
#include <vm_area.h>
#include <kdata.h>
struct membank {
unsigned long start;
unsigned long end;
unsigned long free;
struct page *page_array;
};
extern struct membank membank[];
extern struct vm_file *swap_file;
void init_mm_descriptors(struct page_bitmap *page_map,
struct bootdesc *bootdesc, struct membank *membank);
void init_physmem(struct initdata *initdata, struct membank *membank);
void init_zero_page(void);
void *get_zero_page(void);
void put_zero_page(void);
int do_mmap(struct vm_file *mapfile, unsigned long f_offset, struct tcb *t,
unsigned long map_address, unsigned int flags, unsigned int pages);
#endif /* __MEMORY_H__ */