From: Robert Love <rml@tech9.net>
To: Neil Conway <nconway.list@ukaea.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.4: variable HZ
Date: 18 Oct 2002 14:44:16 -0400 [thread overview]
Message-ID: <1034966657.722.838.camel@phantasy> (raw)
In-Reply-To: <3DAFF5C9.807BE885@ukaea.org.uk>
On Fri, 2002-10-18 at 07:51, Neil Conway wrote:
> I was looking at your jiffies_to_clock_t() macro, and I notice that it
> will screw up badly if the user chooses a HZ value that isn't a multiple
> of the normal value (e.g. 1000 is OK, 512 isn't).
OK, sure, but why specify a power-of-two HZ? There is absolutely no
reason to, at least on x86.
Want 512? 500 will do just as well and has the benefit of (a) being a
multiple of the previous HZ and (b) evenly dividing into our concept of
time.
Robert Love
next prev parent reply other threads:[~2002-10-18 18:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-18 11:51 [PATCH] 2.4: variable HZ Neil Conway
2002-10-18 18:44 ` Robert Love [this message]
2002-10-18 19:38 ` Richard B. Johnson
2002-10-19 7:04 ` jdow
2002-10-21 13:13 ` Richard B. Johnson
2002-10-19 9:36 ` Willy Tarreau
2002-10-21 8:15 ` Neil Conway
-- strict thread matches above, loose matches on Subject: below --
2002-10-15 6:03 Robert Love
2002-10-15 6:50 ` Robert Love
2002-10-18 18:27 ` Tim Schmielau
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