On Sun, 13 Nov 2011, Gilad Ben-Yossef wrote: > @@ -2006,7 +2006,20 @@ static void flush_cpu_slab(void *d) > + if (likely(zalloc_cpumask_var(&cpus, GFP_ATOMIC))) { > + for_each_online_cpu(cpu) { > + c = per_cpu_ptr(s->cpu_slab, cpu); > + if (c && c->page) c will never be null. No need to check. Otherwise Acked-by: Christoph Lameter <cl@xxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>