Changeset 086a600 in mainline for generic/src/mm/frame.c

Timestamp:

2006-02-02T23:54:42Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

fb10289b

Parents:

4a5b2b0e

Message:

Debugged slab allocator. It currently supports per-CPU cache on 1 cpu.

File:

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

generic/src/mm/frame.c

@@ -116 +116 @@
         zone_t *zone = NULL;
         frame_t *frame = NULL;
+        int freed;
         __address v;
         
@@ -136 +137 @@
                 /* If no memory, reclaim some slab memory,
                    if it does not help, reclaim all */
-                if (!zone && !(flags & FRAME_NO_RECLAIM))
-                        if (slab_reclaim(0) || slab_reclaim(SLAB_RECLAIM_ALL))
+                if (!zone && !(flags & FRAME_NO_RECLAIM)) {
+                        spinlock_unlock(&zone_head_lock);
+                        freed = slab_reclaim(0);
+                        spinlock_lock(&zone_head_lock);
+                        if (freed)
                                 zone = find_free_zone(order);
+                        if (!zone) {
+                                spinlock_unlock(&zone_head_lock);
+                                freed = slab_reclaim(SLAB_RECLAIM_ALL);
+                                spinlock_lock(&zone_head_lock);
+                                if (freed)
+                                        zone = find_free_zone(order);
+                        }
+                }
         }