4 * If using an i386 architecture without a PC real-time clock,
5 * the #define USE_RTC should be commented out.
7 -#if defined(__i386__) || defined(__x86_64__)
8 #if LINUX_VERSION_CODE >= VERSION_CODE(2,6,15)
9 /* The symbol hrtimer_forward is only exported as of 2.6.22: */
10 #if defined(CONFIG_HIGH_RES_TIMERS) && LINUX_VERSION_CODE >= VERSION_CODE(2,6,22)
17 #include <linux/kernel.h>
18 #include <linux/errno.h>