16 	unsigned short	top;  member
37 	return pstack->top == 0;  in pstack__empty()
42 	unsigned short i = pstack->top, last_index = pstack->top - 1;  in pstack__remove()
50 			--pstack->top;  in pstack__remove()
59 	if (pstack->top == pstack->max_nr_entries) {  in pstack__push()
60 		pr_err("%s: top=%d, overflow!\n", __func__, pstack->top);  in pstack__push()
63 	pstack->entries[pstack->top++] = key;  in pstack__push()
70 	if (pstack->top == 0) {  in pstack__pop()
75 	ret = pstack->entries[--pstack->top];  in pstack__pop()
76 	pstack->entries[pstack->top] = NULL;  in pstack__pop()
82 	if (pstack->top == 0)  in pstack__peek()
84 	return pstack->entries[pstack->top - 1];  in pstack__peek()