3 files changed, 6 insertions, 10 deletions

diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 2d184655bc5d..de432f2de2d2 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -2,6 +2,7 @@
 #define __ARCH_S390_ATOMIC__
 
 #include <linux/compiler.h>
+#include <linux/types.h>
 
 /*
  *  include/asm-s390/atomic.h
@@ -23,9 +24,6 @@
  * S390 uses 'Compare And Swap' for atomicity in SMP enviroment
  */
 
-typedef struct {
-        int counter;
-} __attribute__ ((aligned (4))) atomic_t;
 #define ATOMIC_INIT(i)  { (i) }
 
 #ifdef __KERNEL__
@@ -149,9 +147,6 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
 #undef __CS_LOOP
 
 #ifdef __s390x__
-typedef struct {
-        long long counter;
-} __attribute__ ((aligned (8))) atomic64_t;
 #define ATOMIC64_INIT(i)  { (i) }
 
 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 569079ec4ff0..9b92856632cf 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -218,9 +218,10 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
 
 void __kprobes arch_remove_kprobe(struct kprobe *p)
 {
-        mutex_lock(&kprobe_mutex);
-        free_insn_slot(p->ainsn.insn, 0);
-        mutex_unlock(&kprobe_mutex);
+        if (p->ainsn.insn) {
+                free_insn_slot(p->ainsn.insn, 0);
+                p->ainsn.insn = NULL;
+        }
 }
 
 static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 158b0d6d7046..f0258ca3b17e 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -183,7 +183,7 @@ int arch_add_memory(int nid, u64 start, u64 size)
         rc = vmem_add_mapping(start, size);
         if (rc)
                 return rc;
-        rc = __add_pages(zone, PFN_DOWN(start), PFN_DOWN(size));
+        rc = __add_pages(nid, zone, PFN_DOWN(start), PFN_DOWN(size));
         if (rc)
                 vmem_remove_mapping(start, size);
         return rc;