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Deprecate find_task_by_pid()

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There are some places that are known to operate on tasks'
global pids only:

* the rest_init() call (called on boot)
* the kgdb's getthread
* the create_kthread() (since the kthread is run in init ns)

So use the find_task_by_pid_ns(..., &init_pid_ns) there
and schedule the find_task_by_pid for removal.

[sukadev@us.ibm.com: Fix warning in kernel/pid.c]
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pavel Emelyanov
2008-04-30 00:54:24 -07:00
committed by Linus Torvalds
parent cb41d6d068
commit 5cd204550b
5 changed files with 24 additions and 9 deletions
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5
include/linux/sched.h
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@@ -1677,7 +1677,10 @@ extern struct pid_namespace init_pid_ns;
extern struct task_struct *find_task_by_pid_type_ns(int type, int pid,
struct pid_namespace *ns);
extern struct task_struct *find_task_by_pid(pid_t nr);
static inline struct task_struct *__deprecated find_task_by_pid(pid_t nr)
{
return find_task_by_pid_type_ns(PIDTYPE_PID, nr, &init_pid_ns);
}
extern struct task_struct *find_task_by_vpid(pid_t nr);
extern struct task_struct *find_task_by_pid_ns(pid_t nr,
struct pid_namespace *ns);