[PATCH] Speed up modprobe and MAKEDEV

Casey Dahlin cdahlin at redhat.com
Fri Oct 10 05:55:48 UTC 2008


Dave Airlie wrote:
> On Wed, 2008-10-01 at 18:52 +0200, Jakub Jelinek wrote:
>   
>> Hi!
>>
>>     
>
>   
>> MAKEDEV sources almost 500KB of config files on every invocation, and the
>> inner loop is terribly inefficient.  The second patch allows it to shrink
>> the files to 55KB while expressing the same info and makes the inner loop
>> more efficient.  Depending on how many modprobe and MAKEDEV invocations
>> are done on your box during bootup, this can or might not make meassurable
>> difference.
>>
>>     
>
> I've just pushed MAKEDEV 3.23-7 into koji should be in rawhide soon.
>
> MAKEDEV is now hosted on git.fedorahosted.org for anyone who cares.
>
> Thanks Jakub.
>
> Dave.
>
>   
Has anyone made any bootcharts? Is there any word on how much this gains 
us at boot time?

--CJD




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