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struct pte {
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struct pte {
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    link_t link;        /**< Page hash table link. */
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    link_t link;        /**< Page hash table link. */
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    as_t *as;       /**< Address space. */
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    as_t *as;       /**< Address space. */
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    __address page;     /**< Virtual memory page. */
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    __address page;     /**< Virtual memory page. */
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    __address frame;    /**< Physical memory frame. */
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    __address frame;    /**< Physical memory frame. */
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    int flags;
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    unsigned g : 1;     /**< Global page. */
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    unsigned x : 1;     /**< Execute. */
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    unsigned w : 1;     /**< Writable. */
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    unsigned k : 1;     /**< Kernel privileges required. */
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    unsigned c : 1;     /**< Cacheable. */
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    unsigned a : 1;     /**< Accessed. */
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    unsigned a : 1;     /**< Accessed. */
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    unsigned d : 1;     /**< Dirty. */
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    unsigned d : 1;     /**< Dirty. */
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    unsigned p : 1;     /**< Present. */
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    unsigned p : 1;     /**< Present. */
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};
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};
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