s390: make couple of variables and functions static

copy_oldmem_user() and ap_jumptable are private to the files they are
being used in. Therefore make them static.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/kernel/crash_dump.c

@@ -173,7 +173,7 @@ int copy_oldmem_kernel(void *dst, void *src, size_t count)
 /*
  * Copy memory of the old, dumped system to a user space virtual address
  */
-int copy_oldmem_user(void __user *dst, void *src, size_t count)
+static int copy_oldmem_user(void __user *dst, void *src, size_t count)
 {
 	unsigned long from, len;
 	int rc;

drivers/s390/crypto/ap_bus.c

@@ -787,7 +787,7 @@ static enum ap_wait ap_sm_setirq_wait(struct ap_device *ap_dev)
 /*
  * AP state machine jump table
  */
-ap_func_t *ap_jumptable[NR_AP_STATES][NR_AP_EVENTS] = {
+static ap_func_t *ap_jumptable[NR_AP_STATES][NR_AP_EVENTS] = {
 	[AP_STATE_RESET_START] = {
 		[AP_EVENT_POLL] = ap_sm_reset,
 		[AP_EVENT_TIMEOUT] = ap_sm_nop,