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#ifdef CONFIG_PAGE_HT
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#ifdef CONFIG_PAGE_HT
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#ifndef KERN_PAGE_HT_H_
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#ifndef KERN_PAGE_HT_H_
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#define KERN_PAGE_HT_H_
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#define KERN_PAGE_HT_H_
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#include <arch/types.h>
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#include <mm/as.h>
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#include <mm/page.h>
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#include <mm/page.h>
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#include <synch/mutex.h>
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#include <synch/mutex.h>
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#include <arch/types.h>
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#include <adt/list.h>
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#include <adt/hash_table.h>
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#include <adt/hash_table.h>
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#define PAGE_HT_KEYS    2
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#define PAGE_HT_KEYS    2
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#define KEY_AS      0
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#define KEY_AS      0
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#define KEY_PAGE    1
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#define KEY_PAGE    1
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#define PTE_WRITABLE(pte)   ((pte)->w != 0)
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#define PTE_WRITABLE(pte)   ((pte)->w != 0)
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#define PTE_EXECUTABLE(pte) ((pte)->x != 0)
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#define PTE_EXECUTABLE(pte) ((pte)->x != 0)
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#define SET_PTL0_ADDRESS(x)
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#define SET_PTL0_ADDRESS(x)
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struct pte {
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    link_t link;        /**< Page hash table link. */
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    as_t *as;       /**< Address space. */
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    uintptr_t page;     /**< Virtual memory page. */
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extern as_operations_t as_ht_operations;
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    uintptr_t frame;    /**< Physical memory frame. */
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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 d : 1;     /**< Dirty. */
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    unsigned p : 1;     /**< Present. */
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};
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extern page_mapping_operations_t ht_mapping_operations;
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extern page_mapping_operations_t ht_mapping_operations;
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extern mutex_t page_ht_lock;
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extern mutex_t page_ht_lock;
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extern hash_table_t page_ht;
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extern hash_table_t page_ht;
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extern hash_table_operations_t ht_operations;
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extern hash_table_operations_t ht_operations;
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#endif
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#endif