ppc64: remove some stale code

arch/ppc64/kernel/chrp_setup.c

@@ -97,17 +97,9 @@ int fwnmi_active;  /* TRUE if an FWNMI handler is present */
 kdev_t boot_dev;
 unsigned long  virtPython0Facilities = 0;  // python0 facility area (memory mapped io) (64-bit format) VIRTUAL address.
 
-extern HPTE *Hash, *Hash_end;
-extern unsigned long Hash_size, Hash_mask;
-extern int probingmem;
 extern unsigned long loops_per_jiffy;
 
-#ifdef CONFIG_BLK_DEV_RAM
-extern int rd_doload;		/* 1 = load ramdisk, 0 = don't load */
-extern int rd_prompt;		/* 1 = prompt for ramdisk, 0 = don't prompt */
-extern int rd_image_start;	/* starting block # of image */
-#endif
-
+extern unsigned long ppc_proc_freq;
 extern unsigned long ppc_tb_freq;
 
 void 
@@ -365,9 +357,6 @@ chrp_progress(char *s, unsigned short hex)
 
 extern void setup_default_decr(void);
 
-extern unsigned long ppc_proc_freq;
-extern unsigned long ppc_tb_freq;
-
 void __init pSeries_calibrate_decr(void)
 {
 	struct device_node *cpu;

arch/ppc64/kernel/open_pic.c

@@ -33,7 +33,6 @@ void* OpenPIC_Addr;
 static volatile struct OpenPIC *OpenPIC = NULL;
 u_int OpenPIC_NumInitSenses __initdata = 0;
 u_char *OpenPIC_InitSenses __initdata = NULL;
-extern int use_of_interrupt_tree;
 
 void find_ISUs(void);
 

arch/ppc64/kernel/process.c

@@ -44,8 +44,6 @@
 #include <asm/machdep.h>
 #include <asm/iSeries/HvCallHpt.h>
 
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpregs);
-
 struct task_struct *last_task_used_math = NULL;
 
 struct mm_struct ioremap_mm = { pgd             : ioremap_dir  

arch/ppc64/kernel/setup.c

@@ -42,9 +42,6 @@ extern unsigned long klimit;
 extern HTAB htab_data;
 extern unsigned long loops_per_jiffy;
 
-extern unsigned long embedded_sysmap_start;
-extern unsigned long embedded_sysmap_end;
-
 int have_of = 1;
 
 extern void  chrp_init(unsigned long r3,
@@ -53,7 +50,6 @@ extern void  chrp_init(unsigned long r3,
 		       unsigned long r6,
 		       unsigned long r7);
 
-extern void chrp_init_map_io_space( void );
 extern void iSeries_init( void );
 extern void iSeries_init_early( void );
 extern void pSeries_init_early( void );

arch/ppc64/kernel/smp.c

@@ -28,7 +28,6 @@
 #define __KERNEL_SYSCALLS__
 #include <linux/unistd.h>
 #include <linux/init.h>
-/* #include <linux/openpic.h> */
 #include <linux/spinlock.h>
 #include <linux/cache.h>
 #include <linux/err.h>
@@ -65,10 +64,6 @@ unsigned long cpu_online_map;
 
 volatile unsigned long cpu_callin_map[NR_CPUS] = {0,};
 
-#define TB_SYNC_PASSES 4
-volatile unsigned long __initdata tb_sync_flag = 0;
-volatile unsigned long __initdata tb_offset = 0;
-
 extern unsigned char stab_array[];
 
 int start_secondary(void *);
@@ -724,7 +719,7 @@ void __init smp_setup(char *str, int *ints)
 {
 }
 
-int __init setup_profiling_timer(unsigned int multiplier)
+int setup_profiling_timer(unsigned int multiplier)
 {
 	return 0;
 }

arch/ppc64/mm/init.c

@@ -98,7 +98,7 @@ mmu_gather_t     mmu_gathers[NR_CPUS];
 
 void show_mem(void)
 {
-	int i,free = 0,total = 0,reserved = 0;
+	int i,total = 0,reserved = 0;
 	int shared = 0, cached = 0;
 
 	printk("Mem-info:\n");

include/asm-ppc64/pgtable.h

@@ -349,6 +349,7 @@ extern void paging_init(void);
  * ahead of time, instead of waiting for the inevitable extra
  * hash-table miss exception.
  */
+struct vm_area_struct;
 extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
 
 /* Encode and de-code a swap entry */