This breaks on x86-64 with the following warning.

drivers/cpufreq/cpufreq_userspace.c: In function `cpufreq_procctl':
drivers/cpufreq/cpufreq_userspace.c:170: warning: cast from pointer to integer of different size
drivers/cpufreq/cpufreq_userspace.c: In function `cpufreq_sysctl':
drivers/cpufreq/cpufreq_userspace.c:208: warning: cast from pointer to integer of different size