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Speaker Name Ravikiran G Thirumalai
Company IBM
Talk Title Design of Dynamic per-cpu kernel memory allocator
Track Kernel
Scope Technical
Synopsis Frequent updates to global shared data in linux kernel results in expensive cache activities on multi-processor systems. Per-cpu data provides a way for avoiding costly cache activities by reducing the amount of sharing resulting in performance improvements.
In 2.5 kernel a new set of interfaces were introduced to support static per-cpu data area, but, it does not work with dynamically allocated data and kernel modules. This talk presents a dynamic per-cpu data allocator that we have developed. This work has been published in the linux kernel mailing list and is a likely candidate for 2.5. Speaker is the co-author of this feature.
Speaker Profile Linux kernel developer working on scalability aspects of linux kernel. Author of scalable statistics counters feature and some scalability related contributions to the kernel for 2.5, co-author to the kernel dynamic per-cpu mem allocator. Working with the Linux Technology Center, IBM for over 2 1/2 years now.

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