sh: Provide a dummy _PAGE_WIRED flag for non-X2TLB parts.

This provides a dummy value for legacy parts which permits the entry
wiring to be open-coded. The compiler takes care of optimizing the entry
wiring away in these cases.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/include/asm/pgtable_32.h

@@ -143,12 +143,14 @@ static inline unsigned long copy_ptea_attributes(unsigned long x)
 # elif defined(CONFIG_HUGETLB_PAGE_SIZE_64MB)
 #  define _PAGE_SZHUGE	(_PAGE_EXT_ESZ2 | _PAGE_EXT_ESZ3)
 # endif
+# define _PAGE_WIRED	(_PAGE_EXT(_PAGE_EXT_WIRED))
 #else
 # if defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
 #  define _PAGE_SZHUGE	(_PAGE_SZ1)
 # elif defined(CONFIG_HUGETLB_PAGE_SIZE_1MB)
 #  define _PAGE_SZHUGE	(_PAGE_SZ0 | _PAGE_SZ1)
 # endif
+# define _PAGE_WIRED	(0)
 #endif
 
 /*
@@ -166,8 +168,6 @@ static inline unsigned long copy_ptea_attributes(unsigned long x)
 	(PTE_MASK | _PAGE_ACCESSED | _PAGE_CACHABLE | \
 	 _PAGE_DIRTY | _PAGE_SPECIAL)
 
-#define _PAGE_WIRED	(_PAGE_EXT(_PAGE_EXT_WIRED))
-
 #ifndef __ASSEMBLY__
 
 #if defined(CONFIG_X2TLB) /* SH-X2 TLB */