2 files changed, 10 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 0c34e27ebe..2b33091503 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jun  8 23:28:00 2014    <kanemoto@ruby-lang.org>
+
+	* io.c (rb_io_advise): AIX currently does not support a 32-bit call to
+	  posix_fadvise() if _LARGE_FILES is defined. Patch by Rei Odaira.
+	  [ruby-core:62968] [Bug #9914]
+
 Sun Jun  8 04:52:40 2014  Jun Hiroe  <Jun.Hiroe@gmail.com>
 
 	* string.c (rb_str_slice_bang): [DOC] update return value against
diff --git a/io.c b/io.c
index 9900118818..81067126d0 100644
--- a/io.c
+++ b/io.c
@@ -8591,7 +8591,10 @@ rb_io_advise(int argc, VALUE *argv, VALUE io)
     off = NIL_P(offset) ? 0 : NUM2OFFT(offset);
     l   = NIL_P(len)    ? 0 : NUM2OFFT(len);
 
-#ifdef HAVE_POSIX_FADVISE
+    /* AIX currently does not support a 32-bit call to posix_fadvise()
+     * if _LARGE_FILES is defined.
+     */
+#if defined(HAVE_POSIX_FADVISE) && !(defined(_AIX) && defined(_LARGE_FILES) && !defined(_ARCH_PPC64))
     return do_io_advise(fptr, advice, off, l);
 #else
     ((void)off, (void)l);	/* Ignore all hint */