43 extern struct mmu_context_queue_t mmu_context_queue;
74 	spin_lock_irqsave(&mmu_context_queue.lock, flags);  in init_new_context()
76 	if ( (size = mmu_context_queue.size) <= 0 ) {  in init_new_context()
77 		spin_unlock_irqrestore(&mmu_context_queue.lock, flags);  in init_new_context()
81 	head = mmu_context_queue.head;  in init_new_context()
82 	mm->context = mmu_context_queue.elements[head];  in init_new_context()
85 	mmu_context_queue.head = head;  in init_new_context()
86 	mmu_context_queue.size = size-1;  in init_new_context()
88 	spin_unlock_irqrestore(&mmu_context_queue.lock, flags);  in init_new_context()
99 	long index, size = mmu_context_queue.size;  in destroy_context()
102 	spin_lock_irqsave(&mmu_context_queue.lock, flags);  in destroy_context()
104 	if ( (size = mmu_context_queue.size) >= NUM_USER_CONTEXT ) {  in destroy_context()
105 		spin_unlock_irqrestore(&mmu_context_queue.lock, flags);  in destroy_context()
110 	index = mmu_context_queue.head;  in destroy_context()
112 	mmu_context_queue.head = index;  in destroy_context()
114 	index = mmu_context_queue.tail;  in destroy_context()
116 	mmu_context_queue.tail = index;  in destroy_context()
119 	mmu_context_queue.size = size+1;  in destroy_context()
120 	mmu_context_queue.elements[index] = mm->context;  in destroy_context()
122 	spin_unlock_irqrestore(&mmu_context_queue.lock, flags);  in destroy_context()