Re: [RFC PATCH 5/6] implement per-cpu&per-domain state machinecall_srcu()

[Peter Zijlstra]

On Tue, 2012-03-06 at 17:57 +0800, Lai Jiangshan wrote:
>         srcu_head is bigger, it is worth, it provides more ability and simplify
>         the srcu code. 

Dubious claim.. memory footprint of various data structures is deemed
important. rcu_head is 16 bytes, srcu_head is 32 bytes. I think it would
be real nice not to have two different callback structures and not grow
them as large.


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