On Mon, Dec 18, 2006 at 08:31:20PM -0800, Eli Collins wrote:

 > Can anyone tell me why CONFIG_HZ is set to 1000 for native x86 kernels?

increased timer precision.

 > The default 2.6.18 x86 config value is 100;

actually the default upstream is 250, but that's neither here nor there.

 > I thought it was lowered
 > from 1000 from previous kernels for good reasons and am curious why it
 > was changed for RHEL 5.

it was set to the same as RHEL4 to prevent a regression in accuracy.
This was brought up on this list about a month ago.

                Dave

-- 
http://www.codemonkey.org.uk

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