Changeset 8b5690f in mainline for kernel/generic/src/mm

Timestamp:

2011-02-03T05:11:01Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

ba38f72c

Parents:

22027b6e (diff), 86d7bfa (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

Location:

kernel/generic/src/mm

Files:

• backend_phys.c (modified) (1 diff)
• slab.c (modified) (2 diffs)

kernel/generic/src/mm/backend_phys.c

@@ -81 +81 @@
         page_mapping_insert(AS, addr, base + (addr - area->base),
             as_area_get_flags(area));
-        if (!used_space_insert(area, ALIGN_DOWN(addr, PAGE_SIZE), 1))
-                panic("Cannot insert used space.");
+        
+        if (!used_space_insert(area, ALIGN_DOWN(addr, PAGE_SIZE), 1))
+                panic("Cannot insert used space.");
 
         return AS_PF_OK;

kernel/generic/src/mm/slab.c

@@ -806 +806 @@
 }
 
-/** Go through all caches and reclaim what is possible
- *
- * Interrupts must be disabled before calling this function,
- * otherwise  memory allocation from interrupts can deadlock.
- *
- */
+/** Go through all caches and reclaim what is possible */
 size_t slab_reclaim(unsigned int flags)
 {
-        irq_spinlock_lock(&slab_cache_lock, false);
+        irq_spinlock_lock(&slab_cache_lock, true);
         
         size_t frames = 0;
@@ -824 +819 @@
         }
         
-        irq_spinlock_unlock(&slab_cache_lock, false);
+        irq_spinlock_unlock(&slab_cache_lock, true);
         
         return frames;