[S390] kprobes: insn slots

The s390 architecture can execute code on kmalloc/vmalloc memory.
No need for the __ARCH_WANT_KPROBES_INSN_SLOT detour.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/kprobes.h b/arch/s390/include/asm/kprobes.h
index 787c6a8..02a822e 100644
--- a/arch/s390/include/asm/kprobes.h
+++ b/arch/s390/include/asm/kprobes.h
@@ -31,7 +31,6 @@
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
 
-#define  __ARCH_WANT_KPROBES_INSN_SLOT
 struct pt_regs;
 struct kprobe;
 
@@ -58,7 +57,7 @@
 /* Architecture specific copy of original instruction */
 struct arch_specific_insn {
 	/* copy of original instruction */
-	kprobe_opcode_t *insn;
+	kprobe_opcode_t insn[MAX_INSN_SIZE];
 };
 
 struct prev_kprobe {