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Moved all pager page-mapping routines to memory.c

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Added a new virtual address pool for contiguous virtual addresses for the pager.
This will help in mapping multi-page user buffers and files.
This commit is contained in:
Bahadir Balban
2008-11-21 21:05:42 +02:00
parent 2d5a08ff32
commit 7d38243dff
6 changed files with 113 additions and 23 deletions
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8
tasks/mm0/include/memory.h
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@@ -21,4 +21,12 @@ void init_mm_descriptors(struct page_bitmap *page_map,
struct bootdesc *bootdesc, struct membank *membank);
void init_physmem(struct initdata *initdata, struct membank *membank);
int pager_address_pool_init(void);
void *pager_new_address(int npages);
int pager_delete_address(void *virt_addr, int npages);
void *pager_map_pages(struct vm_file *f, unsigned long page_offset, unsigned long npages);
void pager_unmap_pages(void *addr, unsigned long npages);
void *pager_map_page(struct vm_file *f, unsigned long page_offset);
void pager_unmap_page(void *addr);
#endif /* __MEMORY_H__ */