Export shm_align_mask and flush_data_cache_page.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 21e3e13..8fde242 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -26,6 +26,7 @@
 #include <linux/msg.h>
 #include <linux/shm.h>
 #include <linux/compiler.h>
+#include <linux/module.h>
 
 #include <asm/branch.h>
 #include <asm/cachectl.h>
@@ -56,6 +57,8 @@
 
 unsigned long shm_align_mask = PAGE_SIZE - 1;	/* Sane caches */
 
+EXPORT_SYMBOL(shm_align_mask);
+
 #define COLOUR_ALIGN(addr,pgoff)				\
 	((((addr) + shm_align_mask) & ~shm_align_mask) +	\
 	 (((pgoff) << PAGE_SHIFT) & shm_align_mask))