ptrace: kill task_ptrace()
task_ptrace(task) simply dereferences task->ptrace and isn't even used
consistently only adding confusion. Kill it and directly access
->ptrace instead.
This doesn't introduce any behavior change.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index e4b0991..b0be989 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -339,8 +339,7 @@
* then wait for it to finish before killing
* some other task unnecessarily.
*/
- if (!(task_ptrace(p->group_leader) &
- PT_TRACE_EXIT))
+ if (!(p->group_leader->ptrace & PT_TRACE_EXIT))
return ERR_PTR(-1UL);
}
}