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From: Andrew Morton <akpm@linux-foundation.org>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Michal Hocko <mhocko@suse.cz>, Arnd Bergmann <arnd@arndb.de>,
	linux-kernel@vger.kernel.org,
	"Artem S. Tashkinov" <t.artem@mailcity.com>,
	Dave Jones <davej@redhat.com>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [resend PATCH for 3.2] procfs: do not confuse jiffies with cputime64_t
Date: Wed, 21 Dec 2011 15:59:22 -0800	[thread overview]
Message-ID: <20111221155922.1d5688a6.akpm@linux-foundation.org> (raw)
In-Reply-To: <m24nwtpjj8.fsf@igel.home>

On Thu, 22 Dec 2011 00:55:07 +0100
Andreas Schwab <schwab@linux-m68k.org> wrote:

> Andrew Morton <akpm@linux-foundation.org> writes:
> 
> > Also, in include/asm-generic/cputime.h we have:
> >
> > #define usecs_to_cputime64(__msecs)	nsecs_to_jiffies64((__msecs) * 1000)
> >
> > But it would be neater to have used nsecs_to_cputime64(), surely.
> 
> The procfs interface wants to convert usecs to cputime64, but generic
> cputime does not have usecs_to_jiffies64.  Once someone writes the
> latter it can be used here.
> 

That doesn't address my suggestion.

I'm saying that this:

#define usecs_to_cputime64(__msecs)	nsecs_to_jiffies64((__msecs) * 1000)

should have instead been

#define usecs_to_cputime64(__msecs)	nsecs_to_cputime64((__msecs) * 1000)


  reply	other threads:[~2011-12-21 23:59 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <m28vmi7ip3.fsf@igel.home>
2011-12-12  8:16 ` [PATCH] procfs: do not confuse jiffies with cputime64_t Michal Hocko
2011-12-12  9:22 ` Arnd Bergmann
2011-12-12 10:17   ` Andreas Schwab
2011-12-12 11:51   ` [PATCH v2] " Andreas Schwab
2011-12-12 12:43     ` Michal Hocko
2011-12-12 13:07       ` [PATCH v3] " Andreas Schwab
2011-12-12 13:12         ` Michal Hocko
2011-12-21 10:03           ` [resend PATCH for 3.2] " Michal Hocko
2011-12-21 19:43             ` Andrew Morton
2011-12-21 19:59             ` Andrew Morton
2011-12-21 23:50               ` Andreas Schwab
2011-12-21 23:56                 ` Andrew Morton
2011-12-22  0:14                   ` Andreas Schwab
2011-12-22  0:19                     ` Andrew Morton
2011-12-22 10:18                       ` Andreas Schwab
2011-12-21 23:55               ` Andreas Schwab
2011-12-21 23:59                 ` Andrew Morton [this message]
2011-12-22  0:20                   ` Andreas Schwab
2011-12-22  9:55               ` Martin Schwidefsky
2011-12-22 10:19               ` Andreas Schwab

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