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33 lines
777 B
C
33 lines
777 B
C
/*
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* Physical page descriptor
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*
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* Copyright (C) 2007 Bahadir Balban
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*/
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#ifndef __MEMORY_H__
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#define __MEMORY_H__
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#include <vm_area.h>
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#include <kdata.h>
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struct membank {
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unsigned long start;
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unsigned long end;
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unsigned long free;
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struct page *page_array;
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};
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extern struct membank membank[];
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extern struct vm_file *swap_file;
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void init_mm_descriptors(struct page_bitmap *page_map,
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struct bootdesc *bootdesc, struct membank *membank);
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void init_physmem(struct initdata *initdata, struct membank *membank);
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void init_zero_page(void);
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void *get_zero_page(void);
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void put_zero_page(void);
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int do_mmap(struct vm_file *mapfile, unsigned long f_offset, struct tcb *t,
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unsigned long map_address, unsigned int flags, unsigned int pages);
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#endif /* __MEMORY_H__ */
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