user_segment_size
ssize = user_segment_size(addr);
ssize = user_segment_size(addr);
ssize = user_segment_size(ea);
ssize = user_segment_size(ea);
slbie_data |= user_segment_size(slbie_data) << SLBIE_SSIZE_SHIFT;
ssize = user_segment_size(ea);
ssize = user_segment_size(ea);