--- old/src/java.base/share/native/libjava/FileInputStream.c	2016-08-25 17:51:53.215564691 -0700
+++ new/src/java.base/share/native/libjava/FileInputStream.c	2016-08-25 17:51:53.111564690 -0700
@@ -42,6 +42,7 @@
 /*******************************************************************/
 
 jfieldID fis_fd; /* id for jobject 'fd' in java.io.FileInputStream */
+jfieldID fis_pgsz; /* id for jobject 'pageSize' in java.io.FileInputStream */
 
 /**************************************************************
  * static methods to store field ID's in initializers
@@ -50,17 +51,13 @@
 JNIEXPORT void JNICALL
 Java_java_io_FileInputStream_initIDs(JNIEnv *env, jclass fdClass) {
     fis_fd = (*env)->GetFieldID(env, fdClass, "fd", "Ljava/io/FileDescriptor;");
+    fis_pgsz = (*env)->GetFieldID(env, fdClass, "pageSize", "I");
 }
 
 /**************************************************************
  * Input stream
  */
 
-JNIEXPORT void JNICALL
-Java_java_io_FileInputStream_open0(JNIEnv *env, jobject this, jstring path) {
-    fileOpen(env, this, path, fis_fd, O_RDONLY);
-}
-
 JNIEXPORT jint JNICALL
 Java_java_io_FileInputStream_read0(JNIEnv *env, jobject this) {
     return readSingle(env, this, fis_fd);