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#include <arch/types.h>
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#include <arch/types.h>
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#include <mm/as.h>
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#include <mm/as.h>
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#include <memstr.h>
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#include <memstr.h>
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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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/** Operations to manipulate page mappings. */
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/** Operations to manipulate page mappings. */
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typedef struct {
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typedef struct {
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    void (* mapping_insert)(as_t *as, uintptr_t page, uintptr_t frame,
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    void (* mapping_insert)(as_t *as, uintptr_t page, uintptr_t frame,
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        int flags);
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        int flags);
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    void (* mapping_remove)(as_t *as, uintptr_t page);
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    void (* mapping_remove)(as_t *as, uintptr_t page);