4088   if (FLAG_IS_DEFAULT(ThreadLocalHandshakes) || !SafepointMechanism::supports_thread_local_poll()) {
4089     log_debug(ergo)("ThreadLocalHandshakes %s", ThreadLocalHandshakes ? "enabled." : "disabled.");
4090   } else {
4091     log_info(ergo)("ThreadLocalHandshakes %s", ThreadLocalHandshakes ? "enabled." : "disabled.");
4092   }
4093 
4094   return JNI_OK;
4095 }
4096 
4097 jint Arguments::adjust_after_os() {
4098   if (UseNUMA) {
4099     if (!FLAG_IS_DEFAULT(AllocateHeapAt)) {
4100       FLAG_SET_ERGO(UseNUMA, false);
4101     } else if (UseParallelGC || UseParallelOldGC) {
4102       if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) {
4103          FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M);
4104       }
4105     }
4106     // UseNUMAInterleaving is set to ON for all collectors and
4107     // platforms when UseNUMA is set to ON. NUMA-aware collectors
4108     // such as the parallel collector for Linux and Solaris will
4109     // interleave old gen and survivor spaces on top of NUMA
4110     // allocation policy for the eden space.
4111     // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on
4112     // all platforms and ParallelGC on Windows will interleave all
4113     // of the heap spaces across NUMA nodes.
4114     if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) {
4115       FLAG_SET_ERGO(UseNUMAInterleaving, true);
4116     }
4117   }
4118   return JNI_OK;
4119 }
4120 
4121 int Arguments::PropertyList_count(SystemProperty* pl) {
4122   int count = 0;
4123   while(pl != NULL) {
4124     count++;
4125     pl = pl->next();
4126   }
4127   return count;
4128 }
4129 
4130 // Return the number of readable properties.
4131 int Arguments::PropertyList_readable_count(SystemProperty* pl) {

4088   if (FLAG_IS_DEFAULT(ThreadLocalHandshakes) || !SafepointMechanism::supports_thread_local_poll()) {
4089     log_debug(ergo)("ThreadLocalHandshakes %s", ThreadLocalHandshakes ? "enabled." : "disabled.");
4090   } else {
4091     log_info(ergo)("ThreadLocalHandshakes %s", ThreadLocalHandshakes ? "enabled." : "disabled.");
4092   }
4093 
4094   return JNI_OK;
4095 }
4096 
4097 jint Arguments::adjust_after_os() {
4098   if (UseNUMA) {
4099     if (!FLAG_IS_DEFAULT(AllocateHeapAt)) {
4100       FLAG_SET_ERGO(UseNUMA, false);
4101     } else if (UseParallelGC || UseParallelOldGC) {
4102       if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) {
4103          FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M);
4104       }
4105     }
4106     // UseNUMAInterleaving is set to ON for all collectors and
4107     // platforms when UseNUMA is set to ON. NUMA-aware collectors
4108     // such as Parallel GC for Linux and Solaris or G1 GC for Linux will
4109     // interleave old gen and survivor spaces on top of NUMA
4110     // allocation policy for the eden space.
4111     // Non NUMA-aware collectors such as CMS and Serial-GC on
4112     // all platforms and ParallelGC on Windows will interleave all
4113     // of the heap spaces across NUMA nodes.
4114     if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) {
4115       FLAG_SET_ERGO(UseNUMAInterleaving, true);
4116     }
4117   }
4118   return JNI_OK;
4119 }
4120 
4121 int Arguments::PropertyList_count(SystemProperty* pl) {
4122   int count = 0;
4123   while(pl != NULL) {
4124     count++;
4125     pl = pl->next();
4126   }
4127   return count;
4128 }
4129 
4130 // Return the number of readable properties.
4131 int Arguments::PropertyList_readable_count(SystemProperty* pl) {