Changeset 248fc1a in mainline for generic/src/mm/slab.c

Timestamp:

2006-02-05T13:56:01Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

444ec64

Parents:

e22f561

Message:

Fixed some typos in slab allocator.
Scheduler now has better algorithm on load balancing.
Unfortunately it reveals deadlock in slab allocator :-/

File:

• generic/src/mm/slab.c (modified) (6 diffs)

generic/src/mm/slab.c

@@ -253 +253 @@
                 list_remove(&slab->link);
                 list_prepend(&slab->link, &cache->partial_slabs);
-                spinlock_unlock(&cache->slablock);
-        }
+        }
+        spinlock_unlock(&cache->slablock);
         return 0;
 }
@@ -537 +537 @@
         int i;
         int pages;
+        ipl_t ipl;
 
         memsetb((__address)cache, sizeof(*cache), 0);
@@ -581 +582 @@
                 cache->flags |= SLAB_CACHE_SLINSIDE;
 
+        /* Add cache to cache list */
+        ipl = interrupts_disable();
         spinlock_lock(&slab_cache_lock);
 
@@ -586 +589 @@
 
         spinlock_unlock(&slab_cache_lock);
+        interrupts_restore(ipl);
 }
 
@@ -759 +763 @@
         slab_cache_t *cache;
         link_t *cur;
-
+        ipl_t ipl;
+        
+        ipl = interrupts_disable();
         spinlock_lock(&slab_cache_lock);
         printf("SLAB name\tOsize\tPages\tObj/pg\tSlabs\tCached\tAllocobjs\tCtl\n");
@@ -772 +778 @@
         }
         spinlock_unlock(&slab_cache_lock);
+        interrupts_restore(ipl);
 }