Messages in this thread | | | Date | Wed, 23 Nov 2005 16:46:27 -0500 | From | Jeff Garzik <> | Subject | Re: [patch] SMP alternatives |
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Andi Kleen wrote: > The idea was to turn LOCK on only if the process has any > shared writable mapping and num_online_cpus() > 0.
Yep. Though I presume you mean "> 1".
One hopes that num_online_cpus() never reaches zero during runtime ;-)
Jeff
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