2017-01-08 12:13:18 +03:00
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#ifndef _LINUX_PAGE_H
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#define _LINUX_PAGE_H
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#include <sys/user.h>
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struct page;
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2016-10-04 06:22:17 +03:00
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#define virt_to_page(p) \
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((struct page *) (((unsigned long) (p)) & PAGE_MASK))
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#define offset_in_page(p) ((unsigned long) (p) & ~PAGE_MASK)
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#define page_address(p) ((void *) (p))
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2017-01-08 12:13:18 +03:00
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#define kmap_atomic(page) page_address(page)
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#define kunmap_atomic(addr) do {} while (0)
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static const char zero_page[PAGE_SIZE];
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#define ZERO_PAGE(o) ((struct page *) &zero_page[0])
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#endif /* _LINUX_PAGE_H */
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