slab: use BytePointer

Change-Id: I786f720ccd0c1469287a70906d05633218c25ceb
Reviewed-on: https://review.haiku-os.org/c/1100
Reviewed-by: waddlesplash <[email protected]>

src/system/kernel/slab/ObjectCache.h

@@ -8,6 +8,7 @@
 #define OBJECT_CACHE_H
 
 
+#include <BytePointer.h>
 #include <condition_variable.h>
 #include <lock.h>
 #include <slab/ObjectDepot.h>
@@ -140,8 +141,9 @@ link_to_object(object_link* link, size_t objectSize)
 static inline object_link*
 object_to_link(void* object, size_t objectSize)
 {
-	return (object_link*)(((uint8*)object)
+	BytePointer<object_link> pointer((uint8*)object
 		+ (objectSize - sizeof(object_link)));
+	return &pointer;
 }
 
 

src/system/kernel/slab/SmallObjectCache.cpp

@@ -8,6 +8,7 @@
 
 #include "SmallObjectCache.h"
 
+#include <BytePointer.h>
 #include "MemoryManager.h"
 #include "slab_private.h"
 
@@ -18,7 +19,8 @@ RANGE_MARKER_FUNCTION_BEGIN(SlabSmallObjectCache)
 static inline slab *
 slab_in_pages(const void *pages, size_t slab_size)
 {
-	return (slab *)(((uint8 *)pages) + slab_size - sizeof(slab));
+	BytePointer<slab> pointer(((uint8 *)pages) + slab_size - sizeof(slab));
+	return &pointer;
 }