Changeset 32ff43e6 in mainline for src/mm/buddy.c

Timestamp:

2005-09-28T13:00:11Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

2a9543d

Parents:

a58db280

Message:

Redeclare eraly_malloc() with attribute ((malloc)) to improve optimizations.

Reorganize #include's in scheduler.c.

Buddy system improvements.
Make buddy_system_free() explicitly invalidate order of blocks before they are coalesced.
Add some assertions.

File:

• src/mm/buddy.c (modified) (3 diffs)

src/mm/buddy.c

@@ -49 +49 @@
         int i;
 
+        ASSERT(max_order < BUDDY_SYSTEM_INNER_BLOCK);
+
         ASSERT(op->find_buddy);
         ASSERT(op->set_order);
@@ -167 +169 @@
         
         if (buddy && i != b->max_order - 1) {
+
+                ASSERT(b->op->get_order(buddy) == i);
+                
                 /*
                  * Remove buddy from the list of order i.
@@ -173 +178 @@
                 
                 /*
+                 * Invalidate order of both block and buddy.
+                 */
+                b->op->set_order(block, BUDDY_SYSTEM_INNER_BLOCK);
+                b->op->set_order(buddy, BUDDY_SYSTEM_INNER_BLOCK);
+                
+                /*
                  * Coalesce block and buddy into one block.
                  */