linux-kernel - [PATCH] wait_consider_task: kill "parent" argument

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Date:	Thu, 2 Jul 2009 20:28:41 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Roland McGrath <roland@...hat.com>,
	Vitaly Mayatskikh <vmayatsk@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] wait_consider_task: kill "parent" argument

Kill the unused "parent" argument in wait_consider_task(), it was never
used.

Signed-off-by: Oleg Nesterov <oleg@...hat.com>

--- WAIT/kernel/exit.c~5_WCT_KILL_PARENT	2009-07-02 19:56:33.000000000 +0200
+++ WAIT/kernel/exit.c	2009-07-02 20:19:55.000000000 +0200
@@ -1471,8 +1471,8 @@ static int wait_task_continued(struct wa
  * then ->notask_error is 0 if @p is an eligible child,
  * or another error from security_task_wait(), or still -ECHILD.
  */
-static int wait_consider_task(struct wait_opts *wo, struct task_struct *parent,
-				int ptrace, struct task_struct *p)
+static int wait_consider_task(struct wait_opts *wo, int ptrace,
+				struct task_struct *p)
 {
 	int ret = eligible_child(wo, p);
 	if (!ret)
@@ -1536,7 +1536,7 @@ static int do_wait_thread(struct wait_op
 	struct task_struct *p;
 
 	list_for_each_entry(p, &tsk->children, sibling) {
-		int ret = wait_consider_task(wo, tsk, 0, p);
+		int ret = wait_consider_task(wo, 0, p);
 		if (ret)
 			return ret;
 	}
@@ -1549,7 +1549,7 @@ static int ptrace_do_wait(struct wait_op
 	struct task_struct *p;
 
 	list_for_each_entry(p, &tsk->ptraced, ptrace_entry) {
-		int ret = wait_consider_task(wo, tsk, 1, p);
+		int ret = wait_consider_task(wo, 1, p);
 		if (ret)
 			return ret;
 	}

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