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Paul Jackson a écrit : > + > +static kmem_cache_t *cpuset_cache; > + Hi Paul Please do use __read_mostly for new kmem_cache : static kmem_cache_t *cpuset_cache __read_mostly; If not, the pointer can sit in the midle of a highly modified cache line, and multiple CPUS will have memory cache misses to access the cpuset_cache, while slab code/data layout itself is very NUMA/SMP friendly. Eric - 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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