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src/hotspot/share/gc/shared/jvmFlagConstraintsGC.cpp
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*** 28,43 ****
#include "gc/shared/gcConfig.hpp"
#include "gc/shared/jvmFlagConstraintsGC.hpp"
#include "gc/shared/plab.hpp"
#include "gc/shared/threadLocalAllocBuffer.hpp"
#include "runtime/arguments.hpp"
- #include "runtime/flags/jvmFlagRangeList.hpp"
#include "runtime/globals.hpp"
#include "runtime/globals_extension.hpp"
#include "runtime/thread.inline.hpp"
#include "utilities/align.hpp"
- #include "utilities/defaultStream.hpp"
#include "utilities/macros.hpp"
#if INCLUDE_CMSGC
#include "gc/cms/jvmFlagConstraintsCMS.hpp"
#endif
#if INCLUDE_G1GC
--- 28,41 ----
*** 86,127 ****
// we need constraint function.
JVMFlag::Error ConcGCThreadsConstraintFunc(uint value, bool verbose) {
// CMS and G1 GCs use ConcGCThreads.
if ((GCConfig::is_gc_selected(CollectedHeap::CMS) ||
GCConfig::is_gc_selected(CollectedHeap::G1)) && (value > ParallelGCThreads)) {
! CommandLineError::print(verbose,
! "ConcGCThreads (" UINT32_FORMAT ") must be "
! "less than or equal to ParallelGCThreads (" UINT32_FORMAT ")\n",
! value, ParallelGCThreads);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
static JVMFlag::Error MinPLABSizeBounds(const char* name, size_t value, bool verbose) {
if ((GCConfig::is_gc_selected(CollectedHeap::CMS) ||
GCConfig::is_gc_selected(CollectedHeap::G1) ||
GCConfig::is_gc_selected(CollectedHeap::Parallel)) && (value < PLAB::min_size())) {
! CommandLineError::print(verbose,
! "%s (" SIZE_FORMAT ") must be "
! "greater than or equal to ergonomic PLAB minimum size (" SIZE_FORMAT ")\n",
! name, value, PLAB::min_size());
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
JVMFlag::Error MaxPLABSizeBounds(const char* name, size_t value, bool verbose) {
if ((GCConfig::is_gc_selected(CollectedHeap::CMS) ||
GCConfig::is_gc_selected(CollectedHeap::G1) ||
GCConfig::is_gc_selected(CollectedHeap::Parallel)) && (value > PLAB::max_size())) {
! CommandLineError::print(verbose,
! "%s (" SIZE_FORMAT ") must be "
! "less than or equal to ergonomic PLAB maximum size (" SIZE_FORMAT ")\n",
! name, value, PLAB::max_size());
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
--- 84,125 ----
// we need constraint function.
JVMFlag::Error ConcGCThreadsConstraintFunc(uint value, bool verbose) {
// CMS and G1 GCs use ConcGCThreads.
if ((GCConfig::is_gc_selected(CollectedHeap::CMS) ||
GCConfig::is_gc_selected(CollectedHeap::G1)) && (value > ParallelGCThreads)) {
! JVMFlag::printError(verbose,
! "ConcGCThreads (" UINT32_FORMAT ") must be "
! "less than or equal to ParallelGCThreads (" UINT32_FORMAT ")\n",
! value, ParallelGCThreads);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
static JVMFlag::Error MinPLABSizeBounds(const char* name, size_t value, bool verbose) {
if ((GCConfig::is_gc_selected(CollectedHeap::CMS) ||
GCConfig::is_gc_selected(CollectedHeap::G1) ||
GCConfig::is_gc_selected(CollectedHeap::Parallel)) && (value < PLAB::min_size())) {
! JVMFlag::printError(verbose,
! "%s (" SIZE_FORMAT ") must be "
! "greater than or equal to ergonomic PLAB minimum size (" SIZE_FORMAT ")\n",
! name, value, PLAB::min_size());
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
JVMFlag::Error MaxPLABSizeBounds(const char* name, size_t value, bool verbose) {
if ((GCConfig::is_gc_selected(CollectedHeap::CMS) ||
GCConfig::is_gc_selected(CollectedHeap::G1) ||
GCConfig::is_gc_selected(CollectedHeap::Parallel)) && (value > PLAB::max_size())) {
! JVMFlag::printError(verbose,
! "%s (" SIZE_FORMAT ") must be "
! "less than or equal to ergonomic PLAB maximum size (" SIZE_FORMAT ")\n",
! name, value, PLAB::max_size());
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
*** 154,192 ****
return status;
}
JVMFlag::Error MinHeapFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value > MaxHeapFreeRatio) {
! CommandLineError::print(verbose,
! "MinHeapFreeRatio (" UINTX_FORMAT ") must be "
! "less than or equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n",
! value, MaxHeapFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MaxHeapFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value < MinHeapFreeRatio) {
! CommandLineError::print(verbose,
! "MaxHeapFreeRatio (" UINTX_FORMAT ") must be "
! "greater than or equal to MinHeapFreeRatio (" UINTX_FORMAT ")\n",
! value, MinHeapFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
static JVMFlag::Error CheckMaxHeapSizeAndSoftRefLRUPolicyMSPerMB(size_t maxHeap, intx softRef, bool verbose) {
if ((softRef > 0) && ((maxHeap / M) > (max_uintx / softRef))) {
! CommandLineError::print(verbose,
! "Desired lifetime of SoftReferences cannot be expressed correctly. "
! "MaxHeapSize (" SIZE_FORMAT ") or SoftRefLRUPolicyMSPerMB "
! "(" INTX_FORMAT ") is too large\n",
! maxHeap, softRef);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
--- 152,190 ----
return status;
}
JVMFlag::Error MinHeapFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value > MaxHeapFreeRatio) {
! JVMFlag::printError(verbose,
! "MinHeapFreeRatio (" UINTX_FORMAT ") must be "
! "less than or equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n",
! value, MaxHeapFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MaxHeapFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value < MinHeapFreeRatio) {
! JVMFlag::printError(verbose,
! "MaxHeapFreeRatio (" UINTX_FORMAT ") must be "
! "greater than or equal to MinHeapFreeRatio (" UINTX_FORMAT ")\n",
! value, MinHeapFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
static JVMFlag::Error CheckMaxHeapSizeAndSoftRefLRUPolicyMSPerMB(size_t maxHeap, intx softRef, bool verbose) {
if ((softRef > 0) && ((maxHeap / M) > (max_uintx / softRef))) {
! JVMFlag::printError(verbose,
! "Desired lifetime of SoftReferences cannot be expressed correctly. "
! "MaxHeapSize (" SIZE_FORMAT ") or SoftRefLRUPolicyMSPerMB "
! "(" INTX_FORMAT ") is too large\n",
! maxHeap, softRef);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
*** 195,232 ****
return CheckMaxHeapSizeAndSoftRefLRUPolicyMSPerMB(MaxHeapSize, value, verbose);
}
JVMFlag::Error MarkStackSizeConstraintFunc(size_t value, bool verbose) {
if (value > MarkStackSizeMax) {
! CommandLineError::print(verbose,
! "MarkStackSize (" SIZE_FORMAT ") must be "
! "less than or equal to MarkStackSizeMax (" SIZE_FORMAT ")\n",
! value, MarkStackSizeMax);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MinMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value > MaxMetaspaceFreeRatio) {
! CommandLineError::print(verbose,
! "MinMetaspaceFreeRatio (" UINTX_FORMAT ") must be "
! "less than or equal to MaxMetaspaceFreeRatio (" UINTX_FORMAT ")\n",
! value, MaxMetaspaceFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MaxMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value < MinMetaspaceFreeRatio) {
! CommandLineError::print(verbose,
! "MaxMetaspaceFreeRatio (" UINTX_FORMAT ") must be "
! "greater than or equal to MinMetaspaceFreeRatio (" UINTX_FORMAT ")\n",
! value, MinMetaspaceFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
--- 193,230 ----
return CheckMaxHeapSizeAndSoftRefLRUPolicyMSPerMB(MaxHeapSize, value, verbose);
}
JVMFlag::Error MarkStackSizeConstraintFunc(size_t value, bool verbose) {
if (value > MarkStackSizeMax) {
! JVMFlag::printError(verbose,
! "MarkStackSize (" SIZE_FORMAT ") must be "
! "less than or equal to MarkStackSizeMax (" SIZE_FORMAT ")\n",
! value, MarkStackSizeMax);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MinMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value > MaxMetaspaceFreeRatio) {
! JVMFlag::printError(verbose,
! "MinMetaspaceFreeRatio (" UINTX_FORMAT ") must be "
! "less than or equal to MaxMetaspaceFreeRatio (" UINTX_FORMAT ")\n",
! value, MaxMetaspaceFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MaxMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value < MinMetaspaceFreeRatio) {
! JVMFlag::printError(verbose,
! "MaxMetaspaceFreeRatio (" UINTX_FORMAT ") must be "
! "greater than or equal to MinMetaspaceFreeRatio (" UINTX_FORMAT ")\n",
! value, MinMetaspaceFreeRatio);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
*** 250,265 ****
}
#endif
// MaxTenuringThreshold=0 means NeverTenure=false && AlwaysTenure=true
if ((value == 0) && (NeverTenure || !AlwaysTenure)) {
! CommandLineError::print(verbose,
! "MaxTenuringThreshold (0) should match to NeverTenure=false "
! "&& AlwaysTenure=true. But we have NeverTenure=%s "
! "AlwaysTenure=%s\n",
! NeverTenure ? "true" : "false",
! AlwaysTenure ? "true" : "false");
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
--- 248,263 ----
}
#endif
// MaxTenuringThreshold=0 means NeverTenure=false && AlwaysTenure=true
if ((value == 0) && (NeverTenure || !AlwaysTenure)) {
! JVMFlag::printError(verbose,
! "MaxTenuringThreshold (0) should match to NeverTenure=false "
! "&& AlwaysTenure=true. But we have NeverTenure=%s "
! "AlwaysTenure=%s\n",
! NeverTenure ? "true" : "false",
! AlwaysTenure ? "true" : "false");
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
*** 286,312 ****
}
JVMFlag::Error InitialBootClassLoaderMetaspaceSizeConstraintFunc(size_t value, bool verbose) {
size_t aligned_max = align_down(max_uintx/2, Metaspace::reserve_alignment_words());
if (value > aligned_max) {
! CommandLineError::print(verbose,
! "InitialBootClassLoaderMetaspaceSize (" SIZE_FORMAT ") must be "
! "less than or equal to aligned maximum value (" SIZE_FORMAT ")\n",
! value, aligned_max);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
// To avoid an overflow by 'align_up(value, alignment)'.
static JVMFlag::Error MaxSizeForAlignment(const char* name, size_t value, size_t alignment, bool verbose) {
size_t aligned_max = ((max_uintx - alignment) & ~(alignment-1));
if (value > aligned_max) {
! CommandLineError::print(verbose,
! "%s (" SIZE_FORMAT ") must be "
! "less than or equal to aligned maximum value (" SIZE_FORMAT ")\n",
! name, value, aligned_max);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
--- 284,310 ----
}
JVMFlag::Error InitialBootClassLoaderMetaspaceSizeConstraintFunc(size_t value, bool verbose) {
size_t aligned_max = align_down(max_uintx/2, Metaspace::reserve_alignment_words());
if (value > aligned_max) {
! JVMFlag::printError(verbose,
! "InitialBootClassLoaderMetaspaceSize (" SIZE_FORMAT ") must be "
! "less than or equal to aligned maximum value (" SIZE_FORMAT ")\n",
! value, aligned_max);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
// To avoid an overflow by 'align_up(value, alignment)'.
static JVMFlag::Error MaxSizeForAlignment(const char* name, size_t value, size_t alignment, bool verbose) {
size_t aligned_max = ((max_uintx - alignment) & ~(alignment-1));
if (value > aligned_max) {
! JVMFlag::printError(verbose,
! "%s (" SIZE_FORMAT ") must be "
! "less than or equal to aligned maximum value (" SIZE_FORMAT ")\n",
! name, value, aligned_max);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
*** 341,354 ****
JVMFlag::Error HeapBaseMinAddressConstraintFunc(size_t value, bool verbose) {
// If an overflow happened in Arguments::set_heap_size(), MaxHeapSize will have too large a value.
// Check for this by ensuring that MaxHeapSize plus the requested min base address still fit within max_uintx.
if (UseCompressedOops && FLAG_IS_ERGO(MaxHeapSize) && (value > (max_uintx - MaxHeapSize))) {
! CommandLineError::print(verbose,
! "HeapBaseMinAddress (" SIZE_FORMAT ") or MaxHeapSize (" SIZE_FORMAT ") is too large. "
! "Sum of them must be less than or equal to maximum of size_t (" SIZE_FORMAT ")\n",
! value, MaxHeapSize, max_uintx);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return MaxSizeForHeapAlignment("HeapBaseMinAddress", value, verbose);
}
--- 339,352 ----
JVMFlag::Error HeapBaseMinAddressConstraintFunc(size_t value, bool verbose) {
// If an overflow happened in Arguments::set_heap_size(), MaxHeapSize will have too large a value.
// Check for this by ensuring that MaxHeapSize plus the requested min base address still fit within max_uintx.
if (UseCompressedOops && FLAG_IS_ERGO(MaxHeapSize) && (value > (max_uintx - MaxHeapSize))) {
! JVMFlag::printError(verbose,
! "HeapBaseMinAddress (" SIZE_FORMAT ") or MaxHeapSize (" SIZE_FORMAT ") is too large. "
! "Sum of them must be less than or equal to maximum of size_t (" SIZE_FORMAT ")\n",
! value, MaxHeapSize, max_uintx);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return MaxSizeForHeapAlignment("HeapBaseMinAddress", value, verbose);
}
*** 365,405 ****
}
JVMFlag::Error MinTLABSizeConstraintFunc(size_t value, bool verbose) {
// At least, alignment reserve area is needed.
if (value < ThreadLocalAllocBuffer::alignment_reserve_in_bytes()) {
! CommandLineError::print(verbose,
! "MinTLABSize (" SIZE_FORMAT ") must be "
! "greater than or equal to reserved area in TLAB (" SIZE_FORMAT ")\n",
! value, ThreadLocalAllocBuffer::alignment_reserve_in_bytes());
return JVMFlag::VIOLATES_CONSTRAINT;
}
if (value > (ThreadLocalAllocBuffer::max_size() * HeapWordSize)) {
! CommandLineError::print(verbose,
! "MinTLABSize (" SIZE_FORMAT ") must be "
! "less than or equal to ergonomic TLAB maximum (" SIZE_FORMAT ")\n",
! value, ThreadLocalAllocBuffer::max_size() * HeapWordSize);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
JVMFlag::Error TLABSizeConstraintFunc(size_t value, bool verbose) {
// Skip for default value of zero which means set ergonomically.
if (FLAG_IS_CMDLINE(TLABSize)) {
if (value < MinTLABSize) {
! CommandLineError::print(verbose,
! "TLABSize (" SIZE_FORMAT ") must be "
! "greater than or equal to MinTLABSize (" SIZE_FORMAT ")\n",
! value, MinTLABSize);
return JVMFlag::VIOLATES_CONSTRAINT;
}
if (value > (ThreadLocalAllocBuffer::max_size() * HeapWordSize)) {
! CommandLineError::print(verbose,
! "TLABSize (" SIZE_FORMAT ") must be "
! "less than or equal to ergonomic TLAB maximum size (" SIZE_FORMAT ")\n",
! value, (ThreadLocalAllocBuffer::max_size() * HeapWordSize));
return JVMFlag::VIOLATES_CONSTRAINT;
}
}
return JVMFlag::SUCCESS;
}
--- 363,403 ----
}
JVMFlag::Error MinTLABSizeConstraintFunc(size_t value, bool verbose) {
// At least, alignment reserve area is needed.
if (value < ThreadLocalAllocBuffer::alignment_reserve_in_bytes()) {
! JVMFlag::printError(verbose,
! "MinTLABSize (" SIZE_FORMAT ") must be "
! "greater than or equal to reserved area in TLAB (" SIZE_FORMAT ")\n",
! value, ThreadLocalAllocBuffer::alignment_reserve_in_bytes());
return JVMFlag::VIOLATES_CONSTRAINT;
}
if (value > (ThreadLocalAllocBuffer::max_size() * HeapWordSize)) {
! JVMFlag::printError(verbose,
! "MinTLABSize (" SIZE_FORMAT ") must be "
! "less than or equal to ergonomic TLAB maximum (" SIZE_FORMAT ")\n",
! value, ThreadLocalAllocBuffer::max_size() * HeapWordSize);
return JVMFlag::VIOLATES_CONSTRAINT;
}
return JVMFlag::SUCCESS;
}
JVMFlag::Error TLABSizeConstraintFunc(size_t value, bool verbose) {
// Skip for default value of zero which means set ergonomically.
if (FLAG_IS_CMDLINE(TLABSize)) {
if (value < MinTLABSize) {
! JVMFlag::printError(verbose,
! "TLABSize (" SIZE_FORMAT ") must be "
! "greater than or equal to MinTLABSize (" SIZE_FORMAT ")\n",
! value, MinTLABSize);
return JVMFlag::VIOLATES_CONSTRAINT;
}
if (value > (ThreadLocalAllocBuffer::max_size() * HeapWordSize)) {
! JVMFlag::printError(verbose,
! "TLABSize (" SIZE_FORMAT ") must be "
! "less than or equal to ergonomic TLAB maximum size (" SIZE_FORMAT ")\n",
! value, (ThreadLocalAllocBuffer::max_size() * HeapWordSize));
return JVMFlag::VIOLATES_CONSTRAINT;
}
}
return JVMFlag::SUCCESS;
}
*** 410,481 ****
if (UseTLAB) {
size_t refill_waste_limit = Thread::current()->tlab().refill_waste_limit();
// Compare with 'max_uintx' as ThreadLocalAllocBuffer::_refill_waste_limit is 'size_t'.
if (refill_waste_limit > (max_uintx - value)) {
! CommandLineError::print(verbose,
! "TLABWasteIncrement (" UINTX_FORMAT ") must be "
! "less than or equal to ergonomic TLAB waste increment maximum size(" SIZE_FORMAT ")\n",
! value, (max_uintx - refill_waste_limit));
return JVMFlag::VIOLATES_CONSTRAINT;
}
}
return JVMFlag::SUCCESS;
}
JVMFlag::Error SurvivorRatioConstraintFunc(uintx value, bool verbose) {
if (FLAG_IS_CMDLINE(SurvivorRatio) &&
(value > (MaxHeapSize / Universe::heap()->collector_policy()->space_alignment()))) {
! CommandLineError::print(verbose,
! "SurvivorRatio (" UINTX_FORMAT ") must be "
! "less than or equal to ergonomic SurvivorRatio maximum (" SIZE_FORMAT ")\n",
! value,
! (MaxHeapSize / Universe::heap()->collector_policy()->space_alignment()));
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MetaspaceSizeConstraintFunc(size_t value, bool verbose) {
if (value > MaxMetaspaceSize) {
! CommandLineError::print(verbose,
! "MetaspaceSize (" SIZE_FORMAT ") must be "
! "less than or equal to MaxMetaspaceSize (" SIZE_FORMAT ")\n",
! value, MaxMetaspaceSize);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MaxMetaspaceSizeConstraintFunc(size_t value, bool verbose) {
if (value < MetaspaceSize) {
! CommandLineError::print(verbose,
! "MaxMetaspaceSize (" SIZE_FORMAT ") must be "
! "greater than or equal to MetaspaceSize (" SIZE_FORMAT ")\n",
! value, MaxMetaspaceSize);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error SurvivorAlignmentInBytesConstraintFunc(intx value, bool verbose) {
if (value != 0) {
if (!is_power_of_2(value)) {
! CommandLineError::print(verbose,
! "SurvivorAlignmentInBytes (" INTX_FORMAT ") must be "
! "power of 2\n",
! value);
return JVMFlag::VIOLATES_CONSTRAINT;
}
if (value < ObjectAlignmentInBytes) {
! CommandLineError::print(verbose,
! "SurvivorAlignmentInBytes (" INTX_FORMAT ") must be "
! "greater than or equal to ObjectAlignmentInBytes (" INTX_FORMAT ")\n",
! value, ObjectAlignmentInBytes);
return JVMFlag::VIOLATES_CONSTRAINT;
}
}
return JVMFlag::SUCCESS;
}
--- 408,479 ----
if (UseTLAB) {
size_t refill_waste_limit = Thread::current()->tlab().refill_waste_limit();
// Compare with 'max_uintx' as ThreadLocalAllocBuffer::_refill_waste_limit is 'size_t'.
if (refill_waste_limit > (max_uintx - value)) {
! JVMFlag::printError(verbose,
! "TLABWasteIncrement (" UINTX_FORMAT ") must be "
! "less than or equal to ergonomic TLAB waste increment maximum size(" SIZE_FORMAT ")\n",
! value, (max_uintx - refill_waste_limit));
return JVMFlag::VIOLATES_CONSTRAINT;
}
}
return JVMFlag::SUCCESS;
}
JVMFlag::Error SurvivorRatioConstraintFunc(uintx value, bool verbose) {
if (FLAG_IS_CMDLINE(SurvivorRatio) &&
(value > (MaxHeapSize / Universe::heap()->collector_policy()->space_alignment()))) {
! JVMFlag::printError(verbose,
! "SurvivorRatio (" UINTX_FORMAT ") must be "
! "less than or equal to ergonomic SurvivorRatio maximum (" SIZE_FORMAT ")\n",
! value,
! (MaxHeapSize / Universe::heap()->collector_policy()->space_alignment()));
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MetaspaceSizeConstraintFunc(size_t value, bool verbose) {
if (value > MaxMetaspaceSize) {
! JVMFlag::printError(verbose,
! "MetaspaceSize (" SIZE_FORMAT ") must be "
! "less than or equal to MaxMetaspaceSize (" SIZE_FORMAT ")\n",
! value, MaxMetaspaceSize);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error MaxMetaspaceSizeConstraintFunc(size_t value, bool verbose) {
if (value < MetaspaceSize) {
! JVMFlag::printError(verbose,
! "MaxMetaspaceSize (" SIZE_FORMAT ") must be "
! "greater than or equal to MetaspaceSize (" SIZE_FORMAT ")\n",
! value, MaxMetaspaceSize);
return JVMFlag::VIOLATES_CONSTRAINT;
} else {
return JVMFlag::SUCCESS;
}
}
JVMFlag::Error SurvivorAlignmentInBytesConstraintFunc(intx value, bool verbose) {
if (value != 0) {
if (!is_power_of_2(value)) {
! JVMFlag::printError(verbose,
! "SurvivorAlignmentInBytes (" INTX_FORMAT ") must be "
! "power of 2\n",
! value);
return JVMFlag::VIOLATES_CONSTRAINT;
}
if (value < ObjectAlignmentInBytes) {
! JVMFlag::printError(verbose,
! "SurvivorAlignmentInBytes (" INTX_FORMAT ") must be "
! "greater than or equal to ObjectAlignmentInBytes (" INTX_FORMAT ")\n",
! value, ObjectAlignmentInBytes);
return JVMFlag::VIOLATES_CONSTRAINT;
}
}
return JVMFlag::SUCCESS;
}
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