178 }

   178 }

   179 

   179 

   180 size_t MetaspaceGC::dec_capacity_until_GC(size_t v) {

   180 size_t MetaspaceGC::dec_capacity_until_GC(size_t v) {

   181   assert_is_aligned(v, Metaspace::commit_alignment());

   181   assert_is_aligned(v, Metaspace::commit_alignment());

   182 

   182 

   184 }

   184 }

   185 

   185 

   186 void MetaspaceGC::initialize() {

   186 void MetaspaceGC::initialize() {

   187   // Set the high-water mark to MaxMetapaceSize during VM initializaton since

   187   // Set the high-water mark to MaxMetapaceSize during VM initializaton since

   188   // we can't do a GC during initialization.

   188   // we can't do a GC during initialization.

   400 static void dec_stat_atomically(volatile size_t* pstat, size_t words) {

   400 static void dec_stat_atomically(volatile size_t* pstat, size_t words) {

   401   const size_t size_now = *pstat;

   401   const size_t size_now = *pstat;

   402   assert(size_now >= words, "About to decrement counter below zero "

   402   assert(size_now >= words, "About to decrement counter below zero "

   403          "(current value: " SIZE_FORMAT ", decrement value: " SIZE_FORMAT ".",

   403          "(current value: " SIZE_FORMAT ", decrement value: " SIZE_FORMAT ".",

   404          size_now, words);

   404          size_now, words);

   406 }

   406 }

   407 

   407 

   408 void MetaspaceUtils::dec_capacity(Metaspace::MetadataType mdtype, size_t words) {

   408 void MetaspaceUtils::dec_capacity(Metaspace::MetadataType mdtype, size_t words) {

   409   dec_stat_nonatomically(&_capacity_words[mdtype], words);

   409   dec_stat_nonatomically(&_capacity_words[mdtype], words);

   410 }

   410 }