From: Chris Peterson <cpeterso@cpeterso.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de
Subject: Re: [RFC] mod_timer() helper functions?
Date: Sun, 17 May 2009 00:50:55 -0700 [thread overview]
Message-ID: <a24804730905170050m16bfb81cj6c9ee4c99ac9d08f@mail.gmail.com> (raw)
In-Reply-To: <20090516230350.ec4fb487.akpm@linux-foundation.org>
>> Reviewing the kernel's nearly one-thousand calls to mod_timer(), there
>> are three basic patterns:
>>
>> * multi-second timeouts
>> * millisecond timeouts
>> * +1 jiffie ASAP events
>>
Is there a functional difference between the following "expire this
timer ASAP" statements?
mod_timer(timer, jiffies + 1); /* 48 uses */
mod_timer(timer, jiffies); /* 44 uses */
mod_timer(timer, jiffies - 1); /* 6 uses */
chris
next prev parent reply other threads:[~2009-05-17 7:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-16 7:36 Chris Peterson
2009-05-17 6:03 ` Andrew Morton
2009-05-17 7:50 ` Chris Peterson [this message]
2009-05-17 8:03 ` Andrew Morton
2009-05-17 12:13 ` Thomas Gleixner
2009-05-18 7:14 ` Andi Kleen
2009-05-20 7:11 ` Chris Peterson
2009-05-20 8:14 ` Andi Kleen
2009-05-21 5:11 ` Chris Peterson
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