Typo/thinko in a cleanup caused a semantic change. Fix it.

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Merge tag 'please-pull-mce' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull MCE regression fix from Tony Luck:
 "Typo/thinko in a cleanup caused a semantic change. Fix it."

* tag 'please-pull-mce' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  x86/mce: Fix the MCE poll timer logic

arch/x86/kernel/cpu/mcheck/mce.c

@@ -1274,7 +1274,7 @@ static void mce_timer_fn(unsigned long data)
 	 */
 	iv = __this_cpu_read(mce_next_interval);
 	if (mce_notify_irq())
-		iv = max(iv, (unsigned long) HZ/100);
+		iv = max(iv / 2, (unsigned long) HZ/100);
 	else
 		iv = min(iv * 2, round_jiffies_relative(check_interval * HZ));
 	__this_cpu_write(mce_next_interval, iv);