Messages in this thread | | | Date | Thu, 1 Aug 2002 19:14:46 +0530 | From | Dipankar Sarma <> | Subject | Re: [Lse-tech] [RFC] per cpu slab fix to reduce freemiss |
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On Thu, Aug 01, 2002 at 08:31:45AM -0500, Mala Anand wrote: > > Dipankar wrote.. > >Isn't it possible to tune the cpucache limit by writing to > >/proc/slabinfo so that you avoid frequent draining of free objects ? > >Am I missing something here ? > > Are you referring to raising the per cpu array limit? I don't think you > tune that using /proc/slabinfo. However that does not solve the problem,
Hmm... then what does slabinfo_write()->kmem_tune_cpucache() do ?
> it only delays it. It needs to grow/shrink dynamically based on need. I > am not only referring to frequently draining of free objects but also > as a result of this refilling the object array due to subsequent > allocations and so on.
If draining of free objects become rare, shouldn't refilling of the object also become rare ?
Thanks -- Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net Linux Technology Center, IBM Software Lab, Bangalore, India. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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