| 54,7 → 54,6 |
|---|
| spinlock_t lock; /**< this lock protects everything below */ |
| __address base; /**< physical address of the first frame in the frames array */ |
| frame_t *frames; /**< array of frame_t structures in this zone */ |
| link_t free_head; /**< list of free frame_t structures */ |
| count_t free_count; /**< number of frame_t structures in free list */ |
| count_t busy_count; /**< number of frame_t structures not in free list */ |
| |
| 63,10 → 62,9 |
|---|
| }; |
| |
| struct frame { |
| count_t refcount; /**< when == 0, the frame is in free list */ |
| link_t link; /**< link to zone free list when refcount == 0 */ |
| count_t refcount; /**< tracking of shared frames */ |
| __u8 buddy_order; /**< buddy system block order */ |
| link_t buddy_link; /**< link to the next free block inside one order*/ |
| link_t buddy_link; /**< link to the next free block inside one order */ |
| }; |
| |
| struct region { |