[SPARC64]: Export a PAGE_SHARED symbol.

For drivers/media/*, noticed by Fabbione.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index aa2aec6..c7aa440 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1353,6 +1353,10 @@
 
 pgprot_t PAGE_KERNEL_LOCKED __read_mostly;
 pgprot_t PAGE_COPY __read_mostly;
+
+pgprot_t PAGE_SHARED __read_mostly;
+EXPORT_SYMBOL(PAGE_SHARED);
+
 pgprot_t PAGE_EXEC __read_mostly;
 unsigned long pg_iobits __read_mostly;
 
@@ -1367,6 +1371,7 @@
 			     unsigned long page_exec_bit)
 {
 	PAGE_COPY = __pgprot(page_copy);
+	PAGE_SHARED = __pgprot(page_shared);
 
 	protection_map[0x0] = __pgprot(page_none);
 	protection_map[0x1] = __pgprot(page_readonly & ~page_exec_bit);