share/gc/cms/cmsArguments.cpp

rev 1 : G1GC+POGC+NVDIMM Patch with latest comments incorporated from all.

*** 84,93 ****
--- 84,97 ----
    GCArguments::initialize();
  
    assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error");
    assert(UseConcMarkSweepGC, "CMS is expected to be on here");
  
+   if (AllocateOldGenAt != NULL) {
+     vm_exit_during_initialization("The flag -XX:AllocateOldGenAt can not be used with CMS. Only ParallelOldGC and G1GC are supported.", NULL);
+   }
+ 
    // CMS space iteration, which FLSVerifyAllHeapreferences entails,
    // insists that we hold the requisite locks so that the iteration is
    // MT-safe. For the verification at start-up and shut-down, we don't
    // yet have a good way of acquiring and releasing these locks,
    // which are not visible at the CollectedHeap level. We want to