Sukadev Bhattiprolu wrote:
> From: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
> Date: Mon, 4 May 2009 01:17:43 -0700
> Subject: [PATCH 5/7] [PATCH] Add target_pids parameter to copy_process()
>
> The new parameter will be used in a follow-on patch when clone_with_pids()
> is implemented.
>
> Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Oren Laadan <orenl@xxxxxxxxxxxxxxx>
> kernel/fork.c | 7 ++++---
> 1 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/fork.c b/kernel/fork.c
> index d2d69d3..373411e 100644
> --- a/kernel/fork.c
> +++ b/kernel/fork.c
> @@ -949,12 +949,12 @@ static struct task_struct *copy_process(unsigned long clone_flags,
> unsigned long stack_size,
> int __user *child_tidptr,
> struct pid *pid,
> + pid_t *target_pids,
> int trace)
> {
> int retval;
> struct task_struct *p;
> int cgroup_callbacks_done = 0;
> - pid_t *target_pids = NULL;
>
> if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
> return ERR_PTR(-EINVAL);
> @@ -1327,7 +1327,7 @@ struct task_struct * __cpuinit fork_idle(int cpu)
> struct pt_regs regs;
>
> task = copy_process(CLONE_VM, 0, idle_regs(®s), 0, NULL,
> - &init_struct_pid, 0);
> + &init_struct_pid, NULL, 0);
> if (!IS_ERR(task))
> init_idle(task, cpu);
>
> @@ -1350,6 +1350,7 @@ long do_fork(unsigned long clone_flags,
> struct task_struct *p;
> int trace = 0;
> long nr;
> + pid_t *target_pids = NULL;
>
> /*
> * Do some preliminary argument and permissions checking before we
> @@ -1390,7 +1391,7 @@ long do_fork(unsigned long clone_flags,
> trace = tracehook_prepare_clone(clone_flags);
>
> p = copy_process(clone_flags, stack_start, regs, stack_size,
> - child_tidptr, NULL, trace);
> + child_tidptr, NULL, target_pids, trace);
> /*
> * Do this prior waking up the new thread - the thread pointer
> * might get invalid after that point, if the thread exits quickly.
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