Changeset 5d2ab23 in mainline for generic/include/mm/frame.h

Timestamp:

2006-01-17T20:52:33Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

64c44e8

Parents:

77147d6

Message:

Commit of the falloc_bad branch to trunk (719:723).

File:

• generic/include/mm/frame.h (modified) (2 diffs)

generic/include/mm/frame.h

@@ -50 +50 @@
 #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)
 
 #define ZONE_BLACKLIST_SIZE     4
@@ -62 +65 @@
         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 */