ring_buffer_resize
int ring_buffer_resize(struct trace_buffer *buffer, unsigned long size, int cpu);
EXPORT_SYMBOL_GPL(ring_buffer_resize);
ring_buffer_resize(tr->snapshot_buffer.buffer, trace_buf_size,
ring_buffer_resize(tr->snapshot_buffer.buffer, 1,
ret = ring_buffer_resize(trace_buf->buffer,
ret = ring_buffer_resize(trace_buf->buffer,
ret = ring_buffer_resize(tr->array_buffer.buffer, size, cpu);
ret = ring_buffer_resize(tr->snapshot_buffer.buffer, size, cpu);
ring_buffer_resize(tr->snapshot_buffer.buffer, 1, RING_BUFFER_ALL_CPUS);