linux-kernel - Re: [PATCH] fix granularity of task

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Message-ID: <20091123102528.GT31961@balbir.in.ibm.com>
Date:	Mon, 23 Nov 2009 15:55:28 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Stanislaw Gruszka <sgruszka@...hat.com>
Cc:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Spencer Candland <spencer@...ehost.com>,
	Am?rico Wang <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Oleg Nesterov <oleg@...hat.com>
Subject: Re: [PATCH] fix granularity of task_u/stime(), v2

* Stanislaw Gruszka <sgruszka@...hat.com> [2009-11-23 11:09:26]:
[snip]
> +
> +		utime = task_utime(tsk);
> +		stime = task_stime(tsk);
> +		if (tsk->utime > utime || tsk->stime > stime) {
> +			utime = tsk->utime;
> +			stime = tsk->stime;
> +		}

Won't this condition be problematic, since it can reset stime
when tsk->utime > utime for example?
-- 
	Balbir
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