ppc64: fix some compiler warnings

arch/ppc64/kernel/htab.c

@@ -43,6 +43,7 @@
 #include <asm/lmb.h>
 #include <asm/abs_addr.h>
 #include <asm/tlbflush.h>
+#include <asm/io.h>
 #include <asm/eeh.h>
 #include <asm/tlb.h>
 

arch/ppc64/mm/init.c

@@ -382,7 +382,7 @@ void free_initmem(void)
 		free_page(addr);
 		totalram_pages++;
 	}
-	printk ("Freeing unused kernel memory: %dk freed\n",
+	printk ("Freeing unused kernel memory: %luk freed\n",
 		(&__init_end - &__init_begin) >> 10);
 }
 

include/asm-ppc64/tlb.h

@@ -20,6 +20,9 @@
 struct free_pte_ctx;
 static inline void tlb_flush(struct free_pte_ctx *tlb);
 
+/* Avoid pulling in another include just for this */
+#define check_pgt_cache()	do { } while (0)
+
 /* Get the generic bits... */
 #include <asm-generic/tlb.h>