4 files changed, 34 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/mmap_internal.h b/sysdeps/unix/sysv/linux/ia64/mmap_internal.h
new file mode 100644
index 0000000000..dbaaa3f904
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ia64/mmap_internal.h
@@ -0,0 +1,29 @@
+/* Common mmap definition for Linux implementation.  Linux/ia64 version.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef MMAP_IA64_INTERNAL_LINUX_H
+#define MMAP_IA64_INTERNAL_LINUX_H
+
+/* Linux allows PAGE_SHIFT in range of [12-16] and expect
+   mmap2 offset to be provided in based on the configured pagesize.
+   Determine the shift dynamically with getpagesize.  */
+#define MMAP2_PAGE_UNIT -1
+
+#include_next <mmap_internal.h>
+
+#endif
diff --git a/sysdeps/unix/sysv/linux/m68k/mmap_internal.h b/sysdeps/unix/sysv/linux/m68k/mmap_internal.h
index bd8bd3843b..9fe9d9127d 100644
--- a/sysdeps/unix/sysv/linux/m68k/mmap_internal.h
+++ b/sysdeps/unix/sysv/linux/m68k/mmap_internal.h
@@ -22,7 +22,7 @@
 /* ColdFire and Sun 3 kernels have PAGE_SHIFT set to 13 and expect
    mmap2 offset to be provided in 8K pages.  Determine the shift
    dynamically with getpagesize.  */
-#define MMAP2_PAGE_SHIFT -1
+#define MMAP2_PAGE_UNIT -1
 
 #include_next <mmap_internal.h>
 
diff --git a/sysdeps/unix/sysv/linux/mmap.c b/sysdeps/unix/sysv/linux/mmap.c
index 2024bee001..e9e68f0bdc 100644
--- a/sysdeps/unix/sysv/linux/mmap.c
+++ b/sysdeps/unix/sysv/linux/mmap.c
@@ -21,9 +21,9 @@
 #include <sys/mman.h>
 #include <sysdep.h>
 #include <stdint.h>
-#include <mmap_internal.h>
 
 #ifndef __OFF_T_MATCHES_OFF64_T
+# include <mmap_internal.h>
 
 /* An architecture may override this.  */
 # ifndef MMAP_ADJUST_OFFSET
diff --git a/sysdeps/unix/sysv/linux/mmap_internal.h b/sysdeps/unix/sysv/linux/mmap_internal.h
index 499e389605..47c099183c 100644
--- a/sysdeps/unix/sysv/linux/mmap_internal.h
+++ b/sysdeps/unix/sysv/linux/mmap_internal.h
@@ -27,13 +27,13 @@
 #endif
 
 #if MMAP2_PAGE_UNIT == -1
-static int page_unit;
-
+static uint64_t page_unit;
 # define MMAP_CHECK_PAGE_UNIT()			\
   if (page_unit == 0)				\
     page_unit = __getpagesize ();
+# undef MMAP2_PAGE_UNIT
+# define MMAP2_PAGE_UNIT page_unit
 #else
-# define page_unit MMAP2_PAGE_UNIT
 # define MMAP_CHECK_PAGE_UNIT()
 #endif