x86: ptrace.c: fix defined-but-unused warnings

arch/x86/kernel/ptrace.c:548: warning: 'ptrace_bts_get_size' defined but not used
arch/x86/kernel/ptrace.c:558: warning: 'ptrace_bts_read_record' defined but not used
arch/x86/kernel/ptrace.c:607: warning: 'ptrace_bts_clear' defined but not used
arch/x86/kernel/ptrace.c:617: warning: 'ptrace_bts_drain' defined but not used
arch/x86/kernel/ptrace.c:720: warning: 'ptrace_bts_config' defined but not used
arch/x86/kernel/ptrace.c:788: warning: 'ptrace_bts_status' defined but not used

Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index d5904ee..eb92ccb 100644 (file)
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -600,21 +600,6 @@ static int ptrace_bts_read_record(struct task_struct *child,
        return sizeof(ret);
 }
 
-static int ptrace_bts_write_record(struct task_struct *child,
-                                  const struct bts_struct *in)
-{
-       int retval;
-
-       if (!child->thread.ds_area_msr)
-               return -ENXIO;
-
-       retval = ds_write_bts((void *)child->thread.ds_area_msr, in);
-       if (retval)
-               return retval;
-
-       return sizeof(*in);
-}
-
 static int ptrace_bts_clear(struct task_struct *child)
 {
        if (!child->thread.ds_area_msr)
@@ -657,75 +642,6 @@ static int ptrace_bts_drain(struct task_struct *child,
        return end;
 }
 
-static int ptrace_bts_realloc(struct task_struct *child,
-                             int size, int reduce_size)
-{
-       unsigned long rlim, vm;
-       int ret, old_size;
-
-       if (size < 0)
-               return -EINVAL;
-
-       old_size = ds_get_bts_size((void *)child->thread.ds_area_msr);
-       if (old_size < 0)
-               return old_size;
-
-       ret = ds_free((void **)&child->thread.ds_area_msr);
-       if (ret < 0)
-               goto out;
-
-       size >>= PAGE_SHIFT;
-       old_size >>= PAGE_SHIFT;
-
-       current->mm->total_vm  -= old_size;
-       current->mm->locked_vm -= old_size;
-
-       if (size == 0)
-               goto out;
-
-       rlim = current->signal->rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
-       vm = current->mm->total_vm  + size;
-       if (rlim < vm) {
-               ret = -ENOMEM;
-
-               if (!reduce_size)
-                       goto out;
-
-               size = rlim - current->mm->total_vm;
-               if (size <= 0)
-                       goto out;
-       }
-
-       rlim = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
-       vm = current->mm->locked_vm  + size;
-       if (rlim < vm) {
-               ret = -ENOMEM;
-
-               if (!reduce_size)
-                       goto out;
-
-               size = rlim - current->mm->locked_vm;
-               if (size <= 0)
-                       goto out;
-       }
-
-       ret = ds_allocate((void **)&child->thread.ds_area_msr,
-                         size << PAGE_SHIFT);
-       if (ret < 0)
-               goto out;
-
-       current->mm->total_vm  += size;
-       current->mm->locked_vm += size;
-
-out:
-       if (child->thread.ds_area_msr)
-               set_tsk_thread_flag(child, TIF_DS_AREA_MSR);
-       else
-               clear_tsk_thread_flag(child, TIF_DS_AREA_MSR);
-
-       return ret;
-}
-
 static int ptrace_bts_config(struct task_struct *child,
                             long cfg_size,
                             const struct ptrace_bts_config __user *ucfg)
@@ -828,6 +744,91 @@ static int ptrace_bts_status(struct task_struct *child,
        return sizeof(cfg);
 }
 
+
+static int ptrace_bts_write_record(struct task_struct *child,
+                                  const struct bts_struct *in)
+{
+       int retval;
+
+       if (!child->thread.ds_area_msr)
+               return -ENXIO;
+
+       retval = ds_write_bts((void *)child->thread.ds_area_msr, in);
+       if (retval)
+               return retval;
+
+       return sizeof(*in);
+}
+
+static int ptrace_bts_realloc(struct task_struct *child,
+                             int size, int reduce_size)
+{
+       unsigned long rlim, vm;
+       int ret, old_size;
+
+       if (size < 0)
+               return -EINVAL;
+
+       old_size = ds_get_bts_size((void *)child->thread.ds_area_msr);
+       if (old_size < 0)
+               return old_size;
+
+       ret = ds_free((void **)&child->thread.ds_area_msr);
+       if (ret < 0)
+               goto out;
+
+       size >>= PAGE_SHIFT;
+       old_size >>= PAGE_SHIFT;
+
+       current->mm->total_vm  -= old_size;
+       current->mm->locked_vm -= old_size;
+
+       if (size == 0)
+               goto out;
+
+       rlim = current->signal->rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
+       vm = current->mm->total_vm  + size;
+       if (rlim < vm) {
+               ret = -ENOMEM;
+
+               if (!reduce_size)
+                       goto out;
+
+               size = rlim - current->mm->total_vm;
+               if (size <= 0)
+                       goto out;
+       }
+
+       rlim = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+       vm = current->mm->locked_vm  + size;
+       if (rlim < vm) {
+               ret = -ENOMEM;
+
+               if (!reduce_size)
+                       goto out;
+
+               size = rlim - current->mm->locked_vm;
+               if (size <= 0)
+                       goto out;
+       }
+
+       ret = ds_allocate((void **)&child->thread.ds_area_msr,
+                         size << PAGE_SHIFT);
+       if (ret < 0)
+               goto out;
+
+       current->mm->total_vm  += size;
+       current->mm->locked_vm += size;
+
+out:
+       if (child->thread.ds_area_msr)
+               set_tsk_thread_flag(child, TIF_DS_AREA_MSR);
+       else
+               clear_tsk_thread_flag(child, TIF_DS_AREA_MSR);
+
+       return ret;
+}
+
 void ptrace_bts_take_timestamp(struct task_struct *tsk,
                               enum bts_qualifier qualifier)
 {