[IA64] arch/ia64/kernel/: use time_* macros

The functions time_before, time_before_eq, time_after, and time_after_eq are
more robust for comparing jiffies against other values.

So use the time_after() & time_before() macros, defined at linux/jiffies.h,
which deal with wrapping correctly

[akpm@linux-foundation.org: coding-style fixes]

Signed-off-by: S.Caglar Onur <caglar@pardus.org.tr>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 338dbb8..1ae5129 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -69,6 +69,7 @@
  * 2007-04-27 Russ Anderson <rja@sgi.com>
  *	      Support multiple cpus going through OS_MCA in the same event.
  */
+#include <linux/jiffies.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/sched.h>
@@ -293,7 +294,8 @@
 	if (mlogbuf_finished)
 		return;
 
-	if (mlogbuf_timestamp && (mlogbuf_timestamp + 30*HZ > jiffies)) {
+	if (mlogbuf_timestamp &&
+			time_before(jiffies, mlogbuf_timestamp + 30 * HZ)) {
 		printk(KERN_ERR "INIT: mlogbuf_dump is interrupted by INIT "
 			" and the system seems to be messed up.\n");
 		ia64_mlogbuf_finish(0);