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>

diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 1941a07b5811f925aed82e853aab4efb081f74ca..84d13263ce46f193ef0b223466cea2f522ca109d 100644 (file)
--- 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;