1  typedef struct page {
       2   unsigned long flags;
       3  } mem_map_t;
       4  static inline void set_page_zone(struct page *page, unsigned long zone_num)
       5  {
       6   page->flags &= ~(~0UL << (64 - 8));
       7  }
       1  typedef struct page {
       2   unsigned long flags;
       3  } mem_map_t;
       4  static inline void set_page_zone(struct page *page, unsigned long zone_num)
       5  {
       6   page->flags &= ~(~0UL << (64 - 8));
       7  }