On Wed, Mar 20, 2013 at 11:43:30PM +0800, Lai Jiangshan wrote: > > + for_each_node(node) > > + BUG_ON(!alloc_cpumask_var_node(&wq_numa_possible_cpumask[node], > > + GFP_KERNEL, node)); > > + for_each_possible_cpu(cpu) { > > + node = cpu_to_node(cpu); > > + if (WARN_ON(node == NUMA_NO_NODE)) { > > + pr_err("workqueue: NUMA node mapping not available for cpu%d, disabling NUMA support\n", cpu); > > since you used WARN_ON(), not BUG_ON(), I think you need to free > allocated memory here. I don't know. Is it necessary? It shouldn't happen sans bugs in arch code and we're vomiting warning message with full stack trace. The system will function but something is seriously screwed. I don't think it matters whether we free the puny number of bytes there or not and I don't wanna nest deeper there. :P -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html