On 10/19, Oleg Nesterov wrote: > > Forgot to mention... Or we can make task_struct_cachep SLAB_DESTROY_BY_RCU, > in this case ->curr (or any other "task_struct *" ponter) can not go away > under rcu_read_lock(). task_numa_compare() still needs the PF_EXITING check, > but we do not need to recheck ->curr or probe_kernel_read().
Damn, please ignore ;) we still need to recheck ->curr. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
