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authorIngo Molnar <mingo@kernel.org>2017-02-02 11:50:56 +0100
committerIngo Molnar <mingo@kernel.org>2017-03-02 08:42:25 +0100
commit780de9dd2720debc14c501dab4dc80d1f75ad50e (patch)
tree706aee839aae1d5f82391eeb5c76cc8088c53e27 /fs/exec.c
parentf9411ebe3d85cbbea06298241e6053d031d281fc (diff)
downloadlinux-780de9dd2720debc14c501dab4dc80d1f75ad50e.tar.bz2
sched/headers, cgroups: Remove the threadgroup_change_*() wrappery
threadgroup_change_begin()/end() is a pointless wrapper around cgroup_threadgroup_change_begin()/end(), minus a might_sleep() in the !CONFIG_CGROUPS=y case. Remove the wrappery, move the might_sleep() (the down_read() already has a might_sleep() check). This debloats <linux/sched.h> a bit and simplifies this API. Update all call sites. No change in functionality. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 698a86094f76..e595e1529581 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1088,7 +1088,7 @@ static int de_thread(struct task_struct *tsk)
struct task_struct *leader = tsk->group_leader;
for (;;) {
- threadgroup_change_begin(tsk);
+ cgroup_threadgroup_change_begin(tsk);
write_lock_irq(&tasklist_lock);
/*
* Do this under tasklist_lock to ensure that
@@ -1099,7 +1099,7 @@ static int de_thread(struct task_struct *tsk)
break;
__set_current_state(TASK_KILLABLE);
write_unlock_irq(&tasklist_lock);
- threadgroup_change_end(tsk);
+ cgroup_threadgroup_change_end(tsk);
schedule();
if (unlikely(__fatal_signal_pending(tsk)))
goto killed;
@@ -1157,7 +1157,7 @@ static int de_thread(struct task_struct *tsk)
if (unlikely(leader->ptrace))
__wake_up_parent(leader, leader->parent);
write_unlock_irq(&tasklist_lock);
- threadgroup_change_end(tsk);
+ cgroup_threadgroup_change_end(tsk);
release_task(leader);
}