[PKT_SCHED]: More reasonable PSCHED_JSCALE for various values of HZ.

include/net/pkt_sched.h

@@ -216,12 +216,16 @@ extern psched_time_t	psched_time_base;
 
 #if PSCHED_CLOCK_SOURCE == PSCHED_JIFFIES
 
-#if HZ == 100
+#if HZ < 96
+#define PSCHED_JSCALE 14
+#elif HZ >= 96 && HZ < 192
 #define PSCHED_JSCALE 13
-#elif HZ == 1024
+#elif HZ >= 192 && HZ < 384
+#define PSCHED_JSCALE 12
+#elif HZ >= 384 && HZ < 768
+#define PSCHED_JSCALE 11
+#elif HZ >= 768
 #define PSCHED_JSCALE 10
-#else
-#define PSCHED_JSCALE 0
 #endif
 
 #define PSCHED_EXPORTLIST_2