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Rev 1888 Rev 2007
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#define PAGE_WRITE      (1<<PAGE_WRITE_SHIFT)
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#define PAGE_WRITE      (1<<PAGE_WRITE_SHIFT)
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#define PAGE_EXEC       (1<<PAGE_EXEC_SHIFT)
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#define PAGE_EXEC       (1<<PAGE_EXEC_SHIFT)
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#define PAGE_GLOBAL     (1<<PAGE_GLOBAL_SHIFT)
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#define PAGE_GLOBAL     (1<<PAGE_GLOBAL_SHIFT)
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/**
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 * Macro for computing page color.
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 */
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#define PAGE_COLOR(va)      (((va) >> PAGE_WIDTH) & ((1 << PAGE_COLOR_BITS) - 1))
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/** Page fault access type. */
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/** Page fault access type. */
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enum pf_access {
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enum pf_access {
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    PF_ACCESS_READ,
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    PF_ACCESS_READ,
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    PF_ACCESS_WRITE,
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    PF_ACCESS_WRITE,
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    PF_ACCESS_EXEC
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    PF_ACCESS_EXEC