omit not neccessary extra find

@@ -123,20 +123,6 @@ _memSegmentCompare(const void * a, const void * b)
 }
 
 /**
- * find element in tree
- */
-static
-struct memSegment *
-findElement(struct memSegment * tree, size_t size)
-{
-	int found;
-
-	TR_TREE_FIND(tree, &size, found, _memSegmentFindCompare);
-
-	return found == 0 ? tree : NULL;
-}
-
-/**
  * insert element in tree
  */
 static
@@ -250,7 +236,7 @@ insertElement(struct memSegment ** tree, struct memSegment * element)
 
 static
 struct memSegment *
-deleteElement(struct memSegment ** tree, struct memSegment * element)
+deleteElement(struct memSegment ** tree, size_t size)
 {
     struct memSegment * node = *tree;
     struct memSegment * del_node;
@@ -259,7 +245,7 @@ deleteElement(struct memSegment ** tree, struct memSegment * element)
 	int                 found;
 
     // find the relevant node and it's parent
-	TR_TREE_FIND(node, element, found, _memSegmentCompare);
+	TR_TREE_FIND(node, &size, found, _memSegmentFindCompare);
 
 	//while (node) {
     if (found != 0) {
@@ -530,7 +516,6 @@ post(struct memSegment * tree, void (*cb)(struct memSegment *, int))
     }
 }
 
-static
 struct memSegment * segments = NULL;
 
 static
@@ -612,14 +597,11 @@ TR_malloc(size_t size)
 	}
 
 #ifdef MEM_OPT
-	seg = findElement(segments, size);
+	seg = deleteElement(&segments, size);
 #endif
 
 	if (NULL == seg) {
 		seg = newElement(size);
-	} else {
-		// remove the found one from the tree as we use it now.
-		seg = deleteElement(&segments, seg);
 	}
 
 	return seg->ptr;