Changeset e411579 in mainline

Timestamp:

2005-11-15T10:41:17Z (19 years ago)

Author:

Sergey Bondari <bondari@…>

Branches:

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

Children:

93354b0

Parents:

feb1a414

Message:

Frame isect/coalesce functions optimization

File:

• generic/src/mm/frame.c (modified) (2 diffs)

generic/src/mm/frame.c

@@ -602 +602 @@
 link_t * zone_buddy_bisect(link_t * block) {
         frame_t * frame_l, * frame_r;
-        zone_t * zone;
         
         frame_l = list_get_instance(block, frame_t, buddy_link);
 
-        zone = get_zone_by_frame(frame_l);
-        
-        frame_r = &zone->frames[FRAME_INDEX(zone, frame_l) + 1>>(frame_l->buddy_order-1)];
-
+        frame_r = (frame_t *) (&frame_l + (1>>frame_l->buddy_order-1));
 
         return &frame_r->buddy_link;
@@ -624 +620 @@
 link_t * zone_buddy_coalesce(link_t * block_1, link_t * block_2) {
         frame_t * frame1, * frame2;
-        zone_t * zone;
         
         frame1 = list_get_instance(block_1, frame_t, buddy_link);
         frame2 = list_get_instance(block_2, frame_t, buddy_link);
         
-        zone = get_zone_by_frame(frame1);
-        
-        return FRAME_INDEX(zone, frame1) < FRAME_INDEX(zone, frame2) ? block_1 : block_2;
-
+        return frame1 < frame2 ? block_1 : block_2;
 }