Simplify copy_thread()

First argument unused since 2.3.11.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

27 files changed, 28 insertions, 27 deletions

diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 8d0097f10208..3a2fb7a02db4 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -272,7 +272,7 @@ alpha_vfork(struct pt_regs *regs)
  */
 
 int
-copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+copy_thread(unsigned long clone_flags, unsigned long usp,
             unsigned long unused,
             struct task_struct * p, struct pt_regs * regs)
 {
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 2de14e2afdc5..c3265a2e7cd4 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -301,7 +301,7 @@ void release_thread(struct task_struct *dead_task)
 asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
 
 int
-copy_thread(int nr, unsigned long clone_flags, unsigned long stack_start,
+copy_thread(unsigned long clone_flags, unsigned long stack_start,
             unsigned long stk_sz, struct task_struct *p, struct pt_regs *regs)
 {
         struct thread_info *thread = task_thread_info(p);
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 43ae555ecb33..1bbe1da54869 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -332,7 +332,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
 
 asmlinkage void ret_from_fork(void);
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 33e2e8993f7f..f49427293ca1 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -193,7 +193,7 @@ asmlinkage int bfin_clone(struct pt_regs *regs)
 }
 
 int
-copy_thread(int nr, unsigned long clone_flags,
+copy_thread(unsigned long clone_flags,
             unsigned long usp, unsigned long topstk,
             struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c
index bd9b3ff63f6c..c4c69cf721e5 100644
--- a/arch/cris/arch-v10/kernel/process.c
+++ b/arch/cris/arch-v10/kernel/process.c
@@ -115,7 +115,7 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
  */
 asmlinkage void ret_from_fork(void);
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c
index ced5b725d9bd..120e7f796fea 100644
--- a/arch/cris/arch-v32/kernel/process.c
+++ b/arch/cris/arch-v32/kernel/process.c
@@ -131,7 +131,7 @@ kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 extern asmlinkage void ret_from_fork(void);
 
 int
-copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+copy_thread(unsigned long clone_flags, unsigned long usp,
         unsigned long unused,
         struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 9583a338e9d6..0de50df74970 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -204,7 +204,7 @@ void prepare_to_copy(struct task_struct *tsk)
 /*
  * set up the kernel stack and exception frames for a new process
  */
-int copy_thread(int nr, unsigned long clone_flags,
+int copy_thread(unsigned long clone_flags,
                 unsigned long usp, unsigned long topstk,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index a8ef654a5a0b..e2f33d0f9969 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -191,7 +191,7 @@ asmlinkage int h8300_clone(struct pt_regs *regs)
 
 }
 
-int copy_thread(int nr, unsigned long clone_flags,
+int copy_thread(unsigned long clone_flags,
                 unsigned long usp, unsigned long topstk,
                  struct task_struct * p, struct pt_regs * regs)
 {
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index c57162705147..5d7c0e5b9e76 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -413,7 +413,7 @@ ia64_load_extra (struct task_struct *task)
  * so there is nothing to worry about.
  */
 int
-copy_thread (int nr, unsigned long clone_flags,
+copy_thread(unsigned long clone_flags,
              unsigned long user_stack_base, unsigned long user_stack_size,
              struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index 7103d91e1a2f..3e876f0baebc 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -225,7 +225,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
         return 0; /* Task didn't use the fpu at all. */
 }
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long spu,
+int copy_thread(unsigned long clone_flags, unsigned long spu,
         unsigned long unused, struct task_struct *tsk, struct pt_regs *regs)
 {
         struct pt_regs *childregs = task_pt_regs(tsk);
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 632ce016014d..ec37fb56c127 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -233,7 +233,7 @@ asmlinkage int m68k_clone(struct pt_regs *regs)
                        parent_tidptr, child_tidptr);
 }
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
                  unsigned long unused,
                  struct task_struct * p, struct pt_regs * regs)
 {
diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c
index 3f2d7745f31e..1e96c6eb6312 100644
--- a/arch/m68knommu/kernel/process.c
+++ b/arch/m68knommu/kernel/process.c
@@ -199,7 +199,7 @@ asmlinkage int m68k_clone(struct pt_regs *regs)
         return do_fork(clone_flags, newsp, regs, 0, NULL, NULL);
 }
 
-int copy_thread(int nr, unsigned long clone_flags,
+int copy_thread(unsigned long clone_flags,
                 unsigned long usp, unsigned long topstk,
                 struct task_struct * p, struct pt_regs * regs)
 {
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index ca2e4026ad20..1eaaa450e20c 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -99,7 +99,7 @@ void flush_thread(void)
 {
 }
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
         unsigned long unused, struct task_struct *p, struct pt_regs *regs)
 {
         struct thread_info *ti = task_thread_info(p);
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index b28c9a60445b..234cf344cdce 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -193,7 +193,7 @@ void prepare_to_copy(struct task_struct *tsk)
  * set up the kernel stack for a new thread and copy arch-specific thread
  * control information
  */
-int copy_thread(int nr, unsigned long clone_flags,
+int copy_thread(unsigned long clone_flags,
                 unsigned long c_usp, unsigned long ustk_size,
                 struct task_struct *p, struct pt_regs *kregs)
 {
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index b80e02a4d81d..8aa591ed9127 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -263,7 +263,7 @@ sys_vfork(struct pt_regs *regs)
 }
 
 int
-copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+copy_thread(unsigned long clone_flags, unsigned long usp,
             unsigned long unused,       /* in ia64 this is "user_stack_size" */
             struct task_struct * p, struct pt_regs * pregs)
 {
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index eac064948780..7b44a33f03c2 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -598,7 +598,7 @@ void prepare_to_copy(struct task_struct *tsk)
 /*
  * Copy a thread..
  */
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
                 unsigned long unused, struct task_struct *p,
                 struct pt_regs *regs)
 {
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index b48e961a38f6..a3acd8e60aff 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -160,7 +160,7 @@ void release_thread(struct task_struct *dead_task)
 {
 }
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp,
+int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index ddafbbbab2ab..694bc15f84fd 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -170,7 +170,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
 
 asmlinkage void ret_from_fork(void);
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index c90c7e5e5fee..96be839040f8 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -425,7 +425,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
 
 asmlinkage void ret_from_fork(void);
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index f4bee35a1b46..2830b415e214 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -455,7 +455,7 @@ asmlinkage int sparc_do_fork(unsigned long clone_flags,
  */
 extern void ret_from_fork(void);
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+int copy_thread(unsigned long clone_flags, unsigned long sp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index a73954b87f0a..4041f94e7724 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -561,7 +561,7 @@ asmlinkage long sparc_do_fork(unsigned long clone_flags,
  * Parent -->  %o0 == childs  pid, %o1 == 0
  * Child  -->  %o0 == parents pid, %o1 == 1
  */
-int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+int copy_thread(unsigned long clone_flags, unsigned long sp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index a1c6d07cac3e..4a28a1568d85 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -179,7 +179,7 @@ void fork_handler(void)
         userspace(&current->thread.regs.regs);
 }
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+int copy_thread(unsigned long clone_flags, unsigned long sp,
                 unsigned long stack_top, struct task_struct * p,
                 struct pt_regs *regs)
 {
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 14014d766cad..76f8f84043a2 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -245,7 +245,7 @@ void prepare_to_copy(struct task_struct *tsk)
         unlazy_fpu(tsk);
 }
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+int copy_thread(unsigned long clone_flags, unsigned long sp,
         unsigned long unused,
         struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index abb7e6a7f0c6..b751a41392b1 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -278,7 +278,7 @@ void prepare_to_copy(struct task_struct *tsk)
         unlazy_fpu(tsk);
 }
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+int copy_thread(unsigned long clone_flags, unsigned long sp,
                 unsigned long unused,
         struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 9185597eb6a0..031f36685710 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -172,7 +172,7 @@ void prepare_to_copy(struct task_struct *tsk)
  *       childregs.
  */
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+int copy_thread(unsigned long clone_flags, unsigned long usp,
                 unsigned long unused,
                 struct task_struct * p, struct pt_regs * regs)
 {
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 481fad3a9b42..9186f8c5d5f2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1975,7 +1975,8 @@ extern void mm_release(struct task_struct *, struct mm_struct *);
 /* Allocate a new mm structure and copy contents from tsk->mm */
 extern struct mm_struct *dup_mm(struct task_struct *tsk);
 
-extern int  copy_thread(int, unsigned long, unsigned long, unsigned long, struct task_struct *, struct pt_regs *);
+extern int copy_thread(unsigned long, unsigned long, unsigned long,
+                        struct task_struct *, struct pt_regs *);
 extern void flush_thread(void);
 extern void exit_thread(void);
 
diff --git a/kernel/fork.c b/kernel/fork.c
index 51d1aa21483b..d7eb727eb535 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1125,7 +1125,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
                 goto bad_fork_cleanup_mm;
         if ((retval = copy_io(clone_flags, p)))
                 goto bad_fork_cleanup_namespaces;
-        retval = copy_thread(0, clone_flags, stack_start, stack_size, p, regs);
+        retval = copy_thread(clone_flags, stack_start, stack_size, p, regs);
         if (retval)
                 goto bad_fork_cleanup_io;