The patch titled
pidns: remove find_task_by_pid, unused for a long time
has been removed from the -mm tree. Its filename was
pidns-remove-find_task_by_pid-unused-for-a-long-time.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: pidns: remove find_task_by_pid, unused for a long time
From: Pavel Emelyanov <xemul@xxxxxxxxxx>
It seems to me that it was a mistake marking this function as deprecated
and scheduling it for removal, rather than resolutely removing it after
the last caller's death.
Anyway - better late, then never.
Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/feature-removal-schedule.txt | 18 ------------------
include/linux/pid.h | 2 +-
include/linux/sched.h | 6 ------
3 files changed, 1 insertion(+), 25 deletions(-)
diff -puN Documentation/feature-removal-schedule.txt~pidns-remove-find_task_by_pid-unused-for-a-long-time Documentation/feature-removal-schedule.txt
--- a/Documentation/feature-removal-schedule.txt~pidns-remove-find_task_by_pid-unused-for-a-long-time
+++ a/Documentation/feature-removal-schedule.txt
@@ -138,24 +138,6 @@ Who: Kay Sievers <kay.sievers@xxxxxxx>
---------------------------
-What: find_task_by_pid
-When: 2.6.26
-Why: With pid namespaces, calling this funciton will return the
- wrong task when called from inside a namespace.
-
- The best way to save a task pid and find a task by this
- pid later, is to find this task's struct pid pointer (or get
- it directly from the task) and call pid_task() later.
-
- If someone really needs to get a task by its pid_t, then
- he most likely needs the find_task_by_vpid() to get the
- task from the same namespace as the current task is in, but
- this may be not so in general.
-
-Who: Pavel Emelyanov <xemul@xxxxxxxxxx>
-
----------------------------
-
What: ACPI procfs interface
When: July 2008
Why: ACPI sysfs conversion should be finished by January 2008.
diff -puN include/linux/pid.h~pidns-remove-find_task_by_pid-unused-for-a-long-time include/linux/pid.h
--- a/include/linux/pid.h~pidns-remove-find_task_by_pid-unused-for-a-long-time
+++ a/include/linux/pid.h
@@ -107,7 +107,7 @@ extern struct pid_namespace init_pid_ns;
* find_pid_ns() finds the pid in the namespace specified
* find_vpid() finr the pid by its virtual id, i.e. in the current namespace
*
- * see also find_task_by_pid() set in include/linux/sched.h
+ * see also find_task_by_vpid() set in include/linux/sched.h
*/
extern struct pid *find_pid_ns(int nr, struct pid_namespace *ns);
extern struct pid *find_vpid(int nr);
diff -puN include/linux/sched.h~pidns-remove-find_task_by_pid-unused-for-a-long-time include/linux/sched.h
--- a/include/linux/sched.h~pidns-remove-find_task_by_pid-unused-for-a-long-time
+++ a/include/linux/sched.h
@@ -1715,8 +1715,6 @@ extern struct pid_namespace init_pid_ns;
* finds a task by its pid in the specified namespace
* find_task_by_vpid():
* finds a task by its virtual pid
- * find_task_by_pid():
- * finds a task by its global pid
*
* see also find_vpid() etc in include/linux/pid.h
*/
@@ -1724,10 +1722,6 @@ 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);
-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);
_
Patches currently in -mm which might be from xemul@xxxxxxxxxx are
origin.patch
memrlimit-add-memrlimit-controller-documentation.patch
memrlimit-setup-the-memrlimit-controller.patch
memrlimit-cgroup-mm-owner-callback-changes-to-add-task-info.patch
memrlimit-add-memrlimit-controller-accounting-and-control.patch
memrlimit-improve-error-handling.patch
memrlimit-improve-error-handling-update.patch
memrlimit-handle-attach_task-failure-add-can_attach-callback.patch
reiser4.patch
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