-/*
- * compare_swap_oom_score_adj() - compare and swap current's oom_score_adj
- * @old_val: old oom_score_adj for compare
- * @new_val: new oom_score_adj for swap
- *
- * Sets the oom_score_adj value for current to @new_val iff its present value is
- * @old_val. Usually used to reinstate a previous value to prevent racing with
- * userspacing tuning the value in the interim.
- */
-void compare_swap_oom_score_adj(short old_val, short new_val)
-{
- struct sighand_struct *sighand = current->sighand;
-
- spin_lock_irq(&sighand->siglock);
- if (current->signal->oom_score_adj == old_val)
- current->signal->oom_score_adj = new_val;
- trace_oom_score_adj_update(current);
- spin_unlock_irq(&sighand->siglock);
-}
-
-/**
- * test_set_oom_score_adj() - set current's oom_score_adj and return old value
- * @new_val: new oom_score_adj value
- *
- * Sets the oom_score_adj value for current to @new_val with proper
- * synchronization and returns the old value. Usually used to temporarily
- * set a value, save the old value in the caller, and then reinstate it later.
- */
-short test_set_oom_score_adj(short new_val)
-{
- struct sighand_struct *sighand = current->sighand;
- int old_val;
-
- spin_lock_irq(&sighand->siglock);
- old_val = current->signal->oom_score_adj;
- current->signal->oom_score_adj = new_val;
- trace_oom_score_adj_update(current);
- spin_unlock_irq(&sighand->siglock);
-
- return old_val;
-}
-