Subversion Repositories HelenOS-historic

Rev

Rev 534 | Rev 538 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 534 Rev 537
Line 52... Line 52...
52 
    link_t link;        /**< link to previous and next zone */
 52 
    link_t link;        /**< link to previous and next zone */
53 
 
 53 
 
54 
    spinlock_t lock;    /**< this lock protects everything below */
 54 
    spinlock_t lock;    /**< this lock protects everything below */
55 
    __address base;     /**< physical address of the first frame in the frames array */
 55 
    __address base;     /**< physical address of the first frame in the frames array */
56 
    frame_t *frames;    /**< array of frame_t structures in this zone */
 56 
    frame_t *frames;    /**< array of frame_t structures in this zone */
57 
    link_t free_head;   /**< list of free frame_t structures */
 - 
 
58 
    count_t free_count; /**< number of frame_t structures in free list */
 57 
    count_t free_count; /**< number of frame_t structures in free list */
59 
    count_t busy_count; /**< number of frame_t structures not in free list */
 58 
    count_t busy_count; /**< number of frame_t structures not in free list */
60 
   
 59 
   
61 
    buddy_system_t * buddy_system; /**< buddy system for the zone */
 60 
    buddy_system_t * buddy_system; /**< buddy system for the zone */
62 
    int flags;
 61 
    int flags;
63 
};
 62 
};
64 
 
 63 
 
65 
struct frame {
 64 
struct frame {
66 
    count_t refcount;   /**< when == 0, the frame is in free list */
 65 
    count_t refcount;   /**< tracking of shared frames  */
67 
    link_t link;        /**< link to zone free list when refcount == 0 */
 - 
 
68 
    __u8 buddy_order;   /**< buddy system block order */
 66 
    __u8 buddy_order;   /**< buddy system block order */
69 
    link_t buddy_link;  /**< link to the next free block inside one order*/
 67 
    link_t buddy_link;  /**< link to the next free block inside one order */
70 
};
 68 
};
71 
 
 69 
 
72 
struct region {
 70 
struct region {
73 
    __address base;
 71 
    __address base;
74 
    size_t size;
 72 
    size_t size;