49,13 → 49,10 |
#define FRAME2ADDR(zone, frame) ((zone)->base + ((frame) - (zone)->frames) * FRAME_SIZE) |
#define ADDR2FRAME(zone, addr) (&((zone)->frames[((addr) - (zone)->base) / FRAME_SIZE])) |
#define FRAME_INDEX(zone, frame) ((index_t)((frame) - (zone)->frames)) |
#define FRAME_INDEX_ABS(zone, frame) (((index_t)((frame) - (zone)->frames)) + (zone)->base_index) |
#define FRAME_INDEX_VALID(zone, index) (((index) >= 0) && ((index) < ((zone)->free_count + (zone)->busy_count))) |
#define IS_BUDDY_ORDER_OK(index, order) ((~(((__native) -1) << (order)) & (index)) == 0) |
#define IS_BUDDY_LEFT_BLOCK(zone, frame) (((FRAME_INDEX((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) (((FRAME_INDEX((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) (((FRAME_INDEX_ABS((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) (((FRAME_INDEX_ABS((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
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#define ZONE_BLACKLIST_SIZE 4 |
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64,7 → 61,6 |
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SPINLOCK_DECLARE(lock); /**< this lock protects everything below */ |
__address base; /**< physical address of the first frame in the frames array */ |
index_t base_index; /**< frame index offset of the zone base */ |
frame_t *frames; /**< array of frame_t structures in this zone */ |
count_t free_count; /**< number of free frame_t structures */ |
count_t busy_count; /**< number of busy frame_t structures */ |