linux-kernel - Re: [PATCH v2 repost] sched: cputime: avoid multiplication overflow (in common cases)

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Message-ID: <CAFTL4hzhdXkh2cy_iCr1iQJ5boJ=k1D61s+Z48YUk-JuENG7cw@mail.gmail.com>
Date:	Thu, 24 Jan 2013 17:58:20 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Xiaotian Feng <xtfeng@...il.com>
Cc:	Stanislaw Gruszka <sgruszka@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Oleg Nesterov <oleg@...hat.com>, akpm@...ux-foundation.org,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v2 repost] sched: cputime: avoid multiplication overflow
 (in common cases)

2013/1/24 Xiaotian Feng <xtfeng@...il.com>:
> On Thu, Jan 10, 2013 at 2:33 AM, Frederic Weisbecker <fweisbec@...il.com> wrote:
>> --- a/kernel/sched/cputime.c
>> +++ b/kernel/sched/cputime.c
>> @@ -509,11 +509,11 @@ EXPORT_SYMBOL_GPL(vtime_account);
>>  # define nsecs_to_cputime(__nsecs)     nsecs_to_jiffies(__nsecs)
>>  #endif
>>
>> -static cputime_t scale_utime(cputime_t utime, cputime_t rtime, cputime_t total)
>> +static cputime_t scale_utime(cputime_t stime, cputime_t rtime, cputime_t total)
>
> s/scale_utime/scale_stime.

Whoops! :-)

Thanks I'm fixing this.
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