auto import //branches/master/...@140412
diff --git a/libdex/SysUtil.h b/libdex/SysUtil.h
index 8d85efa..8b80503 100644
--- a/libdex/SysUtil.h
+++ b/libdex/SysUtil.h
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 /*
  * System utilities.
  */
@@ -63,6 +64,13 @@
     MemMapping* pMap);
 
 /*
+ * Create a private anonymous mapping, useful for large allocations.
+ *
+ * On success, "pMap" is filled in, and zero is returned.
+ */
+int sysCreatePrivateMap(size_t length, MemMapping* pMap);
+
+/*
  * Release the pages associated with a shared memory segment.
  *
  * This does not free "pMap"; it just releases the memory.