--- zzzz-none-000/linux-2.4.17/include/asm-sh/pgtable.h	2001-11-11 18:20:21.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-sh/pgtable.h	2004-11-24 13:21:34.000000000 +0000
@@ -237,6 +237,19 @@
 static inline pte_t pte_mkwrite(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; }
 
 /*
+ * Macro and implementation to make a page protection as uncachable.
+ */
+#define pgprot_noncached pgprot_noncached
+
+static inline pgprot_t pgprot_noncached(pgprot_t _prot)
+{
+	unsigned long prot = pgprot_val(_prot);
+
+	prot &= ~_PAGE_CACHABLE;
+	return __pgprot(prot);
+}
+
+/*
  * Conversion functions: convert a page and protection to a page entry,
  * and a page entry and page directory to the page they refer to.
  *