#include <media/videobuf2-v4l2.h>
#include <linux/mm.h>
+#include <linux/refcount.h>
/**
* struct vb2_vmarea_handler - common vma refcount tracking handler
* @arg: argument for @put callback
*/
struct vb2_vmarea_handler {
- atomic_t *refcount;
+ refcount_t *refcount;
void (*put)(void *arg);
void *arg;
};