> +#ifndef CONFIG_CPU_HAS_TLBI > + /* > + * We fault-in kernel-space virtual memory on-demand. The > + * 'reference' page table is init_mm.pgd. > + * > + * NOTE! We MUST NOT take any locks for this case. We may > + * be in an interrupt or a critical region, and should > + * only copy the information from the master page table, > + * nothing more. > + */ > + if (unlikely(address >= VMALLOC_START && address <= VMALLOC_END)) > + { This doesn't fir the kernel style. Please run checkpatch.pl over your code and fix at least all warnings that don't seem clearly bogus.