root/include/linux/list_sort.h

#ifndef _LINUX_LIST_SORT_H
#define _LINUX_LIST_SORT_H

#include <linux/types.h>

struct list_head;

void list_sort(void *priv, struct list_head *head,
               int (*cmp)(void *priv, struct list_head *a,
                          struct list_head *b));
#endif