[MIPS] Do not lose upper 32-bit on MIPS32 with 64-bit addresses in __pte().

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

include/asm-mips/page.h

@@ -77,15 +77,17 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
   #ifdef CONFIG_CPU_MIPS32
     typedef struct { unsigned long pte_low, pte_high; } pte_t;
     #define pte_val(x)    ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
+    #define __pte(x)      ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
   #else
      typedef struct { unsigned long long pte; } pte_t;
      #define pte_val(x)	((x).pte)
+     #define __pte(x)	((pte_t) { (x) } )
   #endif
 #else
 typedef struct { unsigned long pte; } pte_t;
 #define pte_val(x)	((x).pte)
-#endif
 #define __pte(x)	((pte_t) { (x) } )
+#endif
 
 /*
  * For 3-level pagetables we defines these ourselves, for 2-level the