diff --git a/plugins/dynamix/CPUset.page b/plugins/dynamix/CPUset.page
index 7a53b5039..852ad527b 100644
--- a/plugins/dynamix/CPUset.page
+++ b/plugins/dynamix/CPUset.page
@@ -32,7 +32,7 @@ function create() {
   $loop = floor(($total-1)/32)+1;
   $text = [];
   for ($c = 0; $c < $loop; $c++) {
-    $max = ($c == $loop-1 ? ($total%32?:32) : 32);
+    $max = ($c==$loop-1 ? ($total%32?:32) : 32);
     for ($n = 0; $n < $max; $n++) {
       unset($cpu1,$cpu2);
       list($cpu1, $cpu2) = preg_split('/[,-]/',$cpus[$c*32+$n]);
@@ -100,6 +100,7 @@ function apply(form) {
             if (!--wait) {
               setTimeout(function(){$('#wait-'+id).hide();},500);
               $('input[value="Done"]').prop('disabled',false);
+              // isolated cpus, need reboot notice?
               if (id == 'is') notice();
             }
           }
@@ -108,6 +109,7 @@ function apply(form) {
     } else {
       $('#wait-'+id).hide();
       $('input[value="Done"]').prop('disabled',false);
+      if (id == 'is') notice();
     }
   });
 }
diff --git a/plugins/dynamix/include/CPUset.php b/plugins/dynamix/include/CPUset.php
index 912e21109..72851998d 100644
--- a/plugins/dynamix/include/CPUset.php
+++ b/plugins/dynamix/include/CPUset.php
@@ -88,18 +88,18 @@ case 'ct':
   echo "\0".implode(';',array_map('urlencode',$cts));
   break;
 case 'is':
-  $sys  = file('/boot/syslinux/syslinux.cfg',FILE_IGNORE_NEW_LINES+FILE_SKIP_EMPTY_LINES);
-  $size = count($sys);
+  $syslinux  = file('/boot/syslinux/syslinux.cfg',FILE_IGNORE_NEW_LINES+FILE_SKIP_EMPTY_LINES);
+  $size = count($syslinux);
   $menu = $i = 0;
   $isolcpus = $isol = [];
   // find the default section
   while ($i < $size) {
-    if (scan($sys[$i],'label ')) {
+    if (scan($syslinux[$i],'label ')) {
       $n = $i + 1;
       // find the current isolcpus setting
-      while (!scan($sys[$n],'label ') && $n < $size) {
-        if (scan($sys[$n],'menu default')) $menu = 1;
-        if (scan($sys[$n],'append')) foreach (explode(' ',$sys[$n]) as $cmd) if (scan($cmd,'isolcpus')) {$isol = explode('=',$cmd)[1]; break;}
+      while (!scan($syslinux[$n],'label ') && $n < $size) {
+        if (scan($syslinux[$n],'menu default')) $menu = 1;
+        if (scan($syslinux[$n],'append')) foreach (explode(' ',$syslinux[$n]) as $cmd) if (scan($cmd,'isolcpus')) {$isol = explode('=',$cmd)[1]; break;}
         $n++;
       }
       if ($menu) break; else $i = $n - 1;
@@ -123,20 +123,19 @@ case 'is':
   break;
 case 'cmd':
   $isolcpus_now = $isolcpus_new = '';
+  $syslinux = file('/boot/syslinux/syslinux.cfg',FILE_IGNORE_NEW_LINES+FILE_SKIP_EMPTY_LINES);
   $cmdline = explode(' ',file_get_contents('/proc/cmdline'));
   foreach ($cmdline as $cmd) if (scan($cmd,'isolcpus')) {$isolcpus_now = $cmd; break;}
-
-  $sys  = file('/boot/syslinux/syslinux.cfg',FILE_IGNORE_NEW_LINES+FILE_SKIP_EMPTY_LINES);
-  $size = count($sys);
+  $size = count($syslinux);
   $menu = $i = 0;
   // find the default section
   while ($i < $size) {
-    if (scan($sys[$i],'label ')) {
+    if (scan($syslinux[$i],'label ')) {
       $n = $i + 1;
       // find the current isolcpus setting
-      while (!scan($sys[$n],'label ') && $n < $size) {
-        if (scan($sys[$n],'menu default')) $menu = 1;
-        if (scan($sys[$n],'append')) foreach (explode(' ',$sys[$n]) as $cmd) if (scan($cmd,'isolcpus')) {$isolcpus_new = $cmd; break;}
+      while (!scan($syslinux[$n],'label ') && $n < $size) {
+        if (scan($syslinux[$n],'menu default')) $menu = 1;
+        if (scan($syslinux[$n],'append')) foreach (explode(' ',$syslinux[$n]) as $cmd) if (scan($cmd,'isolcpus')) {$isolcpus_new = $cmd; break;}
         $n++;
       }
       if ($menu) break; else $i = $n - 1;
diff --git a/plugins/dynamix/include/UpdateTwo.php b/plugins/dynamix/include/UpdateTwo.php
index 2e49b8208..17fb0a277 100644
--- a/plugins/dynamix/include/UpdateTwo.php
+++ b/plugins/dynamix/include/UpdateTwo.php
@@ -120,18 +120,18 @@ case 'ct':
   break;
 case 'is':
   $cfg  = '/boot/syslinux/syslinux.cfg';
-  $sys  = file($cfg, FILE_IGNORE_NEW_LINES+FILE_SKIP_EMPTY_LINES);
-  $size = count($sys);
+  $syslinux  = file($cfg, FILE_IGNORE_NEW_LINES+FILE_SKIP_EMPTY_LINES);
+  $size = count($syslinux);
   $menu = $i = 0;
   $cmd = [];
   // find the default section
   while ($i < $size) {
-    if (scan($sys[$i],'label ')) {
+    if (scan($syslinux[$i],'label ')) {
       $n = $i + 1;
-      while (!scan($sys[$n],'label ') && $n < $size) {
-        if (scan($sys[$n],'menu default')) $menu = 1;
+      while (!scan($syslinux[$n],'label ') && $n < $size) {
+        if (scan($syslinux[$n],'menu default')) $menu = 1;
         // find the current command
-        if (scan($sys[$n],'append')) {$cmd = preg_split('/\s+/',trim($sys[$n])); break;}
+        if (scan($syslinux[$n],'append')) {$cmd = preg_split('/\s+/',trim($syslinux[$n])); break;}
         $n++;
       }
       if ($menu) break; else $i = $n - 1;
@@ -146,8 +146,7 @@ case 'is':
     if ($isolcpus != '') {
       $numbers = explode(',',$isolcpus);
       sort($numbers,SORT_NUMERIC);
-      $previous = array_shift($numbers);
-      $isolcpus = $previous;
+      $isolcpus = $previous = array_shift($numbers);
       $range = false;
       // convert sequential numbers to a range
       foreach ($numbers as $number) {
@@ -166,8 +165,8 @@ case 'is':
     for ($c = 0; $c < count($cmd); $c++) if (scan($cmd[$c],'isolcpus')) {$cmd[$c] = $isolcpus; break;}
     // or insert a new setting
     if ($c == count($cmd) && $isolcpus) array_splice($cmd,-1,0,$isolcpus);
-    $sys[$n] = '  '.str_replace('  ',' ',implode(' ',$cmd));
-    file_put_contents($cfg, implode("\n",$sys)."\n");
+    $syslinux[$n] = '  '.str_replace('  ',' ',implode(' ',$cmd));
+    file_put_contents($cfg, implode("\n",$syslinux)."\n");
   }
   $reply = ['success' => $name];
   break;