1194   int number_of_marked_CodeBlobs = 0;
1195 
1196   CompiledMethodIterator iter;
1197   while(iter.next_alive()) {
1198     CompiledMethod* nm = iter.method();
1199     if (nm->is_dependent_on_method(dependee)) {
1200       ResourceMark rm;
1201       nm->mark_for_deoptimization();
1202       number_of_marked_CodeBlobs++;
1203     }
1204   }
1205 
1206   return number_of_marked_CodeBlobs;
1207 }
1208 
1209 void CodeCache::make_marked_nmethods_not_entrant() {
1210   assert_locked_or_safepoint(CodeCache_lock);
1211   CompiledMethodIterator iter;
1212   while(iter.next_alive()) {
1213     CompiledMethod* nm = iter.method();
1214     if (nm->is_marked_for_deoptimization()) {
1215       nm->make_not_entrant();
1216     }
1217   }
1218 }
1219 
1220 // Flushes compiled methods dependent on dependee.
1221 void CodeCache::flush_dependents_on(instanceKlassHandle dependee) {
1222   assert_lock_strong(Compile_lock);
1223 
1224   if (number_of_nmethods_with_dependencies() == 0) return;
1225 
1226   // CodeCache can only be updated by a thread_in_VM and they will all be
1227   // stopped during the safepoint so CodeCache will be safe to update without
1228   // holding the CodeCache_lock.
1229 
1230   KlassDepChange changes(dependee);
1231 
1232   // Compute the dependent nmethods
1233   if (mark_for_deoptimization(changes) > 0) {
1234     // At least one nmethod has been marked for deoptimization

1194   int number_of_marked_CodeBlobs = 0;
1195 
1196   CompiledMethodIterator iter;
1197   while(iter.next_alive()) {
1198     CompiledMethod* nm = iter.method();
1199     if (nm->is_dependent_on_method(dependee)) {
1200       ResourceMark rm;
1201       nm->mark_for_deoptimization();
1202       number_of_marked_CodeBlobs++;
1203     }
1204   }
1205 
1206   return number_of_marked_CodeBlobs;
1207 }
1208 
1209 void CodeCache::make_marked_nmethods_not_entrant() {
1210   assert_locked_or_safepoint(CodeCache_lock);
1211   CompiledMethodIterator iter;
1212   while(iter.next_alive()) {
1213     CompiledMethod* nm = iter.method();
1214     if (nm->is_marked_for_deoptimization() && !nm->is_not_entrant()) {
1215       nm->make_not_entrant();
1216     }
1217   }
1218 }
1219 
1220 // Flushes compiled methods dependent on dependee.
1221 void CodeCache::flush_dependents_on(instanceKlassHandle dependee) {
1222   assert_lock_strong(Compile_lock);
1223 
1224   if (number_of_nmethods_with_dependencies() == 0) return;
1225 
1226   // CodeCache can only be updated by a thread_in_VM and they will all be
1227   // stopped during the safepoint so CodeCache will be safe to update without
1228   // holding the CodeCache_lock.
1229 
1230   KlassDepChange changes(dependee);
1231 
1232   // Compute the dependent nmethods
1233   if (mark_for_deoptimization(changes) > 0) {
1234     // At least one nmethod has been marked for deoptimization