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{
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{
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    vm_t *m;
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    vm_t *m;
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    m = (vm_t *) malloc(sizeof(vm_t));
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    m = (vm_t *) malloc(sizeof(vm_t));
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    if (m) {
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    if (m) {
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        spinlock_initialize(&m->lock);
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        spinlock_initialize(&m->lock, "vm_lock");
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        list_initialize(&m->vm_area_head);
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        list_initialize(&m->vm_area_head);
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        m->asid = asid_get();
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        m->asid = asid_get();
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        /*
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        /*
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        }
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        }
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        for (i=0; i<size; i++)
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        for (i=0; i<size; i++)
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            a->mapping[i] = frame_alloc(0, ONE_FRAME);
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            a->mapping[i] = frame_alloc(0, ONE_FRAME);
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        spinlock_initialize(&a->lock);
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        spinlock_initialize(&a->lock, "vm_area_lock");
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        link_initialize(&a->link);         
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        link_initialize(&a->link);         
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        a->type = type;
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        a->type = type;
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        a->size = size;
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        a->size = size;
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        a->address = addr;
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        a->address = addr;