Rails 5 kaminari エラー undefined method `total_pages' の解決方法

#kaminariを使ったときの undefined method `total_pages' の解決方法
before

films_controller.rb

def search
  @searched_films = Film.search(params[:search])
end

after

films_controller.rb

def search
  @searched_films = Film.search(params[:search])
  @searched_films = @searched_films.page(params[:page])
end

#参考
https://teratail.com/questions/63813