131     return JVMFlag::VIOLATES_CONSTRAINT;
132   }
133 
134   return JVMFlag::SUCCESS;
135 }
136 
137 JVMFlag::Error NUMAInterleaveGranularityConstraintFunc(size_t value, bool verbose) {
138   size_t min = os::vm_allocation_granularity();
139   size_t max = NOT_LP64(2*G) LP64_ONLY(8192*G);
140 
141   if (value < min || value > max) {
142     JVMFlag::printError(verbose,
143                         "size_t NUMAInterleaveGranularity=%zu is outside the allowed range [ %zu"
144                         " ... %zu ]\n", value, min, max);
145     return JVMFlag::VIOLATES_CONSTRAINT;
146   }
147 
148   return JVMFlag::SUCCESS;
149 }
150 






















151 JVMFlag::Error LargePageSizeInBytesConstraintFunc(size_t value, bool verbose) {
152   if (!is_power_of_2(value)) {
153     JVMFlag::printError(verbose, "LargePageSizeInBytes ( %zu ) must be "
154                         "a power of 2\n",
155                         value);
156     return JVMFlag::VIOLATES_CONSTRAINT;
157   }
158   return JVMFlag::SUCCESS;
159 }

131     return JVMFlag::VIOLATES_CONSTRAINT;
132   }
133 
134   return JVMFlag::SUCCESS;
135 }
136 
137 JVMFlag::Error NUMAInterleaveGranularityConstraintFunc(size_t value, bool verbose) {
138   size_t min = os::vm_allocation_granularity();
139   size_t max = NOT_LP64(2*G) LP64_ONLY(8192*G);
140 
141   if (value < min || value > max) {
142     JVMFlag::printError(verbose,
143                         "size_t NUMAInterleaveGranularity=%zu is outside the allowed range [ %zu"
144                         " ... %zu ]\n", value, min, max);
145     return JVMFlag::VIOLATES_CONSTRAINT;
146   }
147 
148   return JVMFlag::SUCCESS;
149 }
150 
151 JVMFlag::Error OnSpinWaitInstNameConstraintFunc(ccstr value, bool verbose) {
152 #ifdef AARCH64
153   if (value == nullptr) {
154     JVMFlag::printError(verbose, "OnSpinWaitInst cannot be empty\n");
155     return JVMFlag::VIOLATES_CONSTRAINT;
156   }
157 
158   if (strcmp(value, "nop")   != 0 &&
159       strcmp(value, "isb")   != 0 &&
160       strcmp(value, "yield") != 0 &&
161       strcmp(value, "sb")    != 0 &&
162       strcmp(value, "none")  != 0) {
163     JVMFlag::printError(verbose,
164                         "Unrecognized value %s for OnSpinWaitInst. Must be one of the following: "
165                         "nop, isb, yield, sb, none\n",
166                         value);
167     return JVMFlag::VIOLATES_CONSTRAINT;
168   }
169 #endif
170   return JVMFlag::SUCCESS;
171 }
172 
173 JVMFlag::Error LargePageSizeInBytesConstraintFunc(size_t value, bool verbose) {
174   if (!is_power_of_2(value)) {
175     JVMFlag::printError(verbose, "LargePageSizeInBytes ( %zu ) must be "
176                         "a power of 2\n",
177                         value);
178     return JVMFlag::VIOLATES_CONSTRAINT;
179   }
180   return JVMFlag::SUCCESS;
181 }