Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized,don't nop it out
From: Jeremy Fitzhardinge
Date: Thu Oct 06 2011 - 17:42:42 EST
On 10/06/2011 12:28 PM, Steven Rostedt wrote:
>> (2) Always reserve 5 bytes of space, but if the distance is small enough
>> patch in a 2-byte jump. That doesn't help with the icache footprint.
> I don't think this one is worth it.
I disagree. This is what I benchmarked as having a 5% improvement. If
squashing out the padding helps, then that's a separate optimisation.
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