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;
 
                             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);
 
 extern pgprot_t PAGE_KERNEL;
 extern pgprot_t PAGE_KERNEL_LOCKED;
 extern pgprot_t PAGE_COPY;
+extern pgprot_t PAGE_SHARED;
 
 /* XXX This uglyness is for the atyfb driver's sparc mmap() support. XXX */
 extern unsigned long _PAGE_IE;