13178 ::msgbuf could see more than 8KB of logs
Reviewed by: Andy Fiddaman <Andy@omniosce.org>
Reviewed by: Toomas Soome <tsoome@me.com>

@@ -214,11 +214,11 @@
          * These messages are drained via softcall, or explicitly by panic().
          */
         log_intrq = log_makeq(0, LOG_HIWAT, (void *)ipltospl(SPL8));
 
         /*
-         * Create a queue to hold the most recent 8K of console messages.
+         * Create a queue to hold the most recent 64K of console messages.
          * Useful for debugging.  Required by the "$<msgbuf" adb macro.
          */
         log_recentq = log_makeq(0, LOG_RECENTSIZE, NULL);
 
         /*