Author: John David Anglin <dave.anglin@bell.net>

Change value of SHMLBA from 0x00400000 to PAGE_SIZE.

https://lists.debian.org/debian-glibc/2014/05/msg00005.html
http://comments.gmane.org/gmane.linux.ports.parisc/5754

Fixes https://bugs.gentoo.org/show_bug.cgi?id=471020

Index: eglibc-2.18/ports/sysdeps/unix/sysv/linux/hppa/bits/shm.h
===================================================================
--- eglibc-2.18.orig/ports/sysdeps/unix/sysv/linux/hppa/bits/shm.h	2013-01-09 19:28:48.000000000 -0500
+++ eglibc-2.18/ports/sysdeps/unix/sysv/linux/hppa/bits/shm.h	2014-04-09 21:08:06.516202583 -0400
@@ -36,7 +36,7 @@
 #define SHM_UNLOCK	12		/* unlock segment (root only) */
 
 /* Segment low boundary address multiple.  */
-#define SHMLBA 0x00400000		/* address needs to be 4 Mb aligned */
+#define SHMLBA		(__getpagesize ())
 
 /* Type to count number of attaches.  */
 typedef unsigned long int shmatt_t;