[LAT] Kernel log buffer size

Hello, I'm just starting build my first RT kernels and I'm not sure about this item: Kernel log buffer size (16 => 64KB, 17 => 128KB) (LOG_BUF_SHIFT) Select kernel log buffer size as a power of 2. Defaults and Examples: 17 => 128 KB for S/390 16 => 64 KB for x86 NUMAQ or IA-64 15 => 32 KB for SMP 14 => 16 KB for uniprocessor 13 => 8 KB 12 => 4 KB I will make kernel for two machines 1. Laptop Intel Core processor 2. Workstation P4 What are right values for these processors? Thanks for help. Mira