Where can I find kernel cmdline parameter parsing code?

I was wondering what highmem parameter affect to the system, so I tried to dig into the kernel code. But, I had to spend so many hours to find the starting point. This is the code, I finally found and I want to keep it here for later use. http://lxr.linux.no/linux+v2.6.11/arch/i386/kernel/setup.c 668static void __init parse_cmdline_early (char… Continue reading Where can I find kernel cmdline parameter parsing code?