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static void ptl0_destroy(pte_t *page_table);
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static void ptl0_destroy(pte_t *page_table);
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static void pt_lock(as_t *as, bool lock);
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static void pt_lock(as_t *as, bool lock);
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static void pt_unlock(as_t *as, bool unlock);
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static void pt_unlock(as_t *as, bool unlock);
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#ifdef __OBJC__
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@implementation as_t
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+ (pte_t *) page_table_create: (int) flags
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{
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    return ptl0_create(flags);
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}
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+ (void) page_table_destroy: (pte_t *) page_table
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{
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    ptl0_destroy(page_table);
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}
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- (void) page_table_lock: (bool) _lock
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{
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    pt_lock(self, _lock);
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}
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- (void) page_table_unlock: (bool) unlock
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{
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    pt_unlock(self, unlock);
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}
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@end
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#else
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as_operations_t as_pt_operations = {
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as_operations_t as_pt_operations = {
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    .page_table_create = ptl0_create,
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    .page_table_create = ptl0_create,
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    .page_table_destroy = ptl0_destroy,
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    .page_table_destroy = ptl0_destroy,
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    .page_table_lock = pt_lock,
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    .page_table_lock = pt_lock,
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    .page_table_unlock = pt_unlock
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    .page_table_unlock = pt_unlock
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};
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};
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#endif
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/** Create PTL0.
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/** Create PTL0.
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 *
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 *
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 * PTL0 of 4-level page table will be created for each address space.
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 * PTL0 of 4-level page table will be created for each address space.
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 *
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 *