percpu: pcpu-stats change void buffer to int buffer

 * the beginning of the chunk to the last allocation.

 */

static void chunk_map_stats(struct seq_file *m, struct pcpu_chunk *chunk,

			    void *buffer)

			    int *buffer)

{

	int i, s_index, last_alloc, alloc_sign, as_len;

	int *alloc_sizes, *p;

{

	struct pcpu_chunk *chunk;

	int slot, max_map_used;

	void *buffer;

	int *buffer;

alloc_buffer:

	spin_lock_irq(&pcpu_lock);