Expand maximum hostlist ranges from 12k to 64k elements.

NEWS

@@ -120,6 +120,7 @@ documents those changes that are of interest to users and admins.
  -- Minor document update to include note about PrivateData=Usage for the
     slurm.conf when using the DBD.
  -- Expand information reported with DebugFlags=backfill.
+ -- Expand maximum hostlist ranges from 12k to 64k elements.
 
 * Changes in Slurm 2.6.3
 ========================

src/common/hostlist.c

@@ -193,7 +193,7 @@ extern void * lsd_nomem_error(char *file, int line, char *mesg);
 #define MAX_RANGE    (64*1024)    /* 64K Hosts */
 
 /* max number of ranges that will be processed between brackets */
-#define MAX_RANGES   (12*1024)    /* 12K Ranges */
+#define MAX_RANGES   (64*1024)    /* 64K Ranges */
 
 /* size of internal hostname buffer (+ some slop), hostnames will probably
  * be truncated if longer than MAXHOSTNAMELEN */