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https://github.com/drasko/codezero.git
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df2317e7aa
- Fixed do_mmap() so that it returns mapped address, and various bugs. - A child seems to fork with new setup, but with incorrect return value. Need to use and test exregs() for fork + clone. - Shmat searches an unmapped area if input arg is invalid, do_mmap() should do this.
25 lines
511 B
C
25 lines
511 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 <init.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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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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#endif /* __MEMORY_H__ */
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