diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c
index fa5ae0ad8983b67c65fe27956324438dc1582fdb..d17d705f65453c6306067fabdc4e751358faa37e 100644
--- a/arch/alpha/math-emu/math.c
+++ b/arch/alpha/math-emu/math.c
@@ -2,6 +2,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <asm/ptrace.h>
 
 #include <linux/uaccess.h>
 
diff --git a/arch/sh/kernel/cpu/fpu.c b/arch/sh/kernel/cpu/fpu.c
index 4e332244ea75c36b93fc63dfb9b1601e7f960759..4d4737d099c654e289430c2a1d4643e9c0ab6d78 100644
--- a/arch/sh/kernel/cpu/fpu.c
+++ b/arch/sh/kernel/cpu/fpu.c
@@ -3,6 +3,7 @@
 #include <asm/processor.h>
 #include <asm/fpu.h>
 #include <asm/traps.h>
+#include <asm/ptrace.h>
 
 int init_fpu(struct task_struct *tsk)
 {
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 53bc6c4c84ecdf1984bd422f69a3b46ef9032873..30bff33e810ea7498063fd00b8cbbc0d0aa39515 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -5,6 +5,7 @@
 #include <linux/export.h>
 #include <linux/stackprotector.h>
 #include <asm/fpu.h>
+#include <asm/ptrace.h>
 
 struct kmem_cache *task_xstate_cachep = NULL;
 unsigned int xstate_size;
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 0581461c3a67be58ebeebee854bdc091e5f2befb..eda2633a393d56826430d3124870255a4670d56c 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -23,6 +23,8 @@
 #include <linux/oprofile.h>
 #include <linux/errno.h>
 
+#include <asm/ptrace.h>
+
 #include "event_buffer.h"
 #include "cpu_buffer.h"
 #include "buffer_sync.h"