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| author | Davidlohr Bueso <dave@stgolabs.net> | 2017-06-14 19:37:30 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-06-20 12:48:37 +0200 |
| commit | f11cc0760b8397e0d230122606421b6a96e9f869 (patch) | |
| tree | 64bdf2282b63dff6d2a5203376d5c640cc234f28 /kernel/exit.c | |
| parent | 902b31941327a0e9c0ca9eb7750414ae41bf8a89 (diff) | |
| download | linux-stable-f11cc0760b8397e0d230122606421b6a96e9f869.tar.gz linux-stable-f11cc0760b8397e0d230122606421b6a96e9f869.tar.bz2 linux-stable-f11cc0760b8397e0d230122606421b6a96e9f869.zip | |
sched/core: Drop the unused try_get_task_struct() helper function
This function was introduced by:
150593bf8693 ("sched/api: Introduce task_rcu_dereference() and try_get_task_struct()")
... to allow easier usage of task_rcu_dereference(), however no users
were ever added. Drop the helper.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dave@stgolabs.net
Link: http://lkml.kernel.org/r/20170615023730.22827-1-dave@stgolabs.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 7d694437ab44..c63226283aef 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -318,19 +318,6 @@ void rcuwait_wake_up(struct rcuwait *w) rcu_read_unlock(); } -struct task_struct *try_get_task_struct(struct task_struct **ptask) -{ - struct task_struct *task; - - rcu_read_lock(); - task = task_rcu_dereference(ptask); - if (task) - get_task_struct(task); - rcu_read_unlock(); - - return task; -} - /* * Determine if a process group is "orphaned", according to the POSIX * definition in 2.2.2.52. Orphaned process groups are not to be affected |