alpha: copy_thread(): rename 'arg' argument to 'kthread_arg'

The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity (and consistency
with do_fork() and other arch-specific implementations of copy_thread()).

Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 1941a07b5811..84d13263ce46 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -236,12 +236,11 @@ release_thread(struct task_struct *dead_task)
 }
 
 /*
- * Copy an alpha thread..
+ * Copy architecture-specific thread state
  */
-
 int
 copy_thread(unsigned long clone_flags, unsigned long usp,
-            unsigned long arg,
+            unsigned long kthread_arg,
             struct task_struct *p)
 {
         extern void ret_from_fork(void);
@@ -262,7 +261,7 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
                         sizeof(struct switch_stack) + sizeof(struct pt_regs));
                 childstack->r26 = (unsigned long) ret_from_kernel_thread;
                 childstack->r9 = usp;   /* function */
-                childstack->r10 = arg;
+                childstack->r10 = kthread_arg;
                 childregs->hae = alpha_mv.hae_cache,
                 childti->pcb.usp = 0;
                 return 0;