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8025852: Remove unnecessary setters in collector policy classes

Browse source 
Use instance variables directly within the collector policy classes and remove unused setters.

Reviewed-by: tschatzl, jcoomes
This commit is contained in:
Jesper Wilhelmsson 2013-10-03 21:36:29 +02:00
parent 11da59e506
commit 582aa55e4d
3 changed files with 107 additions and 131 deletions
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4
hotspot/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
View file

@ -319,10 +319,10 @@ G1CollectorPolicy::G1CollectorPolicy() :
}
void G1CollectorPolicy::initialize_flags() {
set_min_alignment(HeapRegion::GrainBytes);
_min_alignment = HeapRegion::GrainBytes;
size_t card_table_alignment = GenRemSet::max_alignment_constraint(rem_set_name());
size_t page_size = UseLargePages ? os::large_page_size() : os::vm_page_size();
set_max_alignment(MAX3(card_table_alignment, min_alignment(), page_size));
_max_alignment = MAX3(card_table_alignment, _min_alignment, page_size);
if (SurvivorRatio < 1) {
vm_exit_during_initialization("Invalid survivor ratio specified");
}

215
hotspot/src/share/vm/memory/collectorPolicy.cpp
View file

@ -53,12 +53,12 @@ static size_t restricted_align_down(size_t size, size_t alignment) {
}
void CollectorPolicy::initialize_flags() {
assert(max_alignment() >= min_alignment(),
err_msg("max_alignment: " SIZE_FORMAT " less than min_alignment: " SIZE_FORMAT,
max_alignment(), min_alignment()));
assert(max_alignment() % min_alignment() == 0,
err_msg("max_alignment: " SIZE_FORMAT " not aligned by min_alignment: " SIZE_FORMAT,
max_alignment(), min_alignment()));
assert(_max_alignment >= _min_alignment,
err_msg("max_alignment: " SIZE_FORMAT " less than min_alignment: " SIZE_FORMAT,
_max_alignment, _min_alignment));
assert(_max_alignment % _min_alignment == 0,
err_msg("max_alignment: " SIZE_FORMAT " not aligned by min_alignment: " SIZE_FORMAT,
_max_alignment, _min_alignment));
if (MaxHeapSize < InitialHeapSize) {
vm_exit_during_initialization("Incompatible initial and maximum heap sizes specified");
@ -72,23 +72,23 @@ void CollectorPolicy::initialize_flags() {
// Ideally, we would be able to set the default value of MaxMetaspaceSize in
// globals.hpp to the aligned value, but this is not possible, since the
// alignment depends on other flags being parsed.
MaxMetaspaceSize = restricted_align_down(MaxMetaspaceSize, max_alignment());
MaxMetaspaceSize = restricted_align_down(MaxMetaspaceSize, _max_alignment);
if (MetaspaceSize > MaxMetaspaceSize) {
MetaspaceSize = MaxMetaspaceSize;
}
MetaspaceSize = restricted_align_down(MetaspaceSize, min_alignment());
MetaspaceSize = restricted_align_down(MetaspaceSize, _min_alignment);
assert(MetaspaceSize <= MaxMetaspaceSize, "Must be");
MinMetaspaceExpansion = restricted_align_down(MinMetaspaceExpansion, min_alignment());
MaxMetaspaceExpansion = restricted_align_down(MaxMetaspaceExpansion, min_alignment());
MinMetaspaceExpansion = restricted_align_down(MinMetaspaceExpansion, _min_alignment);
MaxMetaspaceExpansion = restricted_align_down(MaxMetaspaceExpansion, _min_alignment);
MinHeapDeltaBytes = align_size_up(MinHeapDeltaBytes, min_alignment());
MinHeapDeltaBytes = align_size_up(MinHeapDeltaBytes, _min_alignment);
assert(MetaspaceSize % min_alignment() == 0, "metapace alignment");
assert(MaxMetaspaceSize % max_alignment() == 0, "maximum metaspace alignment");
assert(MetaspaceSize % _min_alignment == 0, "metapace alignment");
assert(MaxMetaspaceSize % _max_alignment == 0, "maximum metaspace alignment");
if (MetaspaceSize < 256*K) {
vm_exit_during_initialization("Too small initial Metaspace size");
}
@ -96,36 +96,36 @@ void CollectorPolicy::initialize_flags() {
void CollectorPolicy::initialize_size_info() {
// User inputs from -mx and ms must be aligned
set_min_heap_byte_size(align_size_up(Arguments::min_heap_size(), min_alignment()));
set_initial_heap_byte_size(align_size_up(InitialHeapSize, min_alignment()));
set_max_heap_byte_size(align_size_up(MaxHeapSize, max_alignment()));
_min_heap_byte_size = align_size_up(Arguments::min_heap_size(), _min_alignment);
_initial_heap_byte_size = align_size_up(InitialHeapSize, _min_alignment);
_max_heap_byte_size = align_size_up(MaxHeapSize, _max_alignment);
// Check heap parameter properties
if (initial_heap_byte_size() < M) {
if (_initial_heap_byte_size < M) {
vm_exit_during_initialization("Too small initial heap");
}
// Check heap parameter properties
if (min_heap_byte_size() < M) {
if (_min_heap_byte_size < M) {
vm_exit_during_initialization("Too small minimum heap");
}
if (initial_heap_byte_size() <= NewSize) {
if (_initial_heap_byte_size <= NewSize) {
// make sure there is at least some room in old space
vm_exit_during_initialization("Too small initial heap for new size specified");
}
if (max_heap_byte_size() < min_heap_byte_size()) {
if (_max_heap_byte_size < _min_heap_byte_size) {
vm_exit_during_initialization("Incompatible minimum and maximum heap sizes specified");
}
if (initial_heap_byte_size() < min_heap_byte_size()) {
if (_initial_heap_byte_size < _min_heap_byte_size) {
vm_exit_during_initialization("Incompatible minimum and initial heap sizes specified");
}
if (max_heap_byte_size() < initial_heap_byte_size()) {
if (_max_heap_byte_size < _initial_heap_byte_size) {
vm_exit_during_initialization("Incompatible initial and maximum heap sizes specified");
}
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("Minimum heap " SIZE_FORMAT " Initial heap "
SIZE_FORMAT " Maximum heap " SIZE_FORMAT,
min_heap_byte_size(), initial_heap_byte_size(), max_heap_byte_size());
_min_heap_byte_size, _initial_heap_byte_size, _max_heap_byte_size);
}
}
@ -180,15 +180,15 @@ size_t CollectorPolicy::compute_max_alignment() {
size_t GenCollectorPolicy::scale_by_NewRatio_aligned(size_t base_size) {
size_t x = base_size / (NewRatio+1);
size_t new_gen_size = x > min_alignment() ?
align_size_down(x, min_alignment()) :
min_alignment();
size_t new_gen_size = x > _min_alignment ?
align_size_down(x, _min_alignment) :
_min_alignment;
return new_gen_size;
}
size_t GenCollectorPolicy::bound_minus_alignment(size_t desired_size,
size_t maximum_size) {
size_t alignment = min_alignment();
size_t alignment = _min_alignment;
size_t max_minus = maximum_size - alignment;
return desired_size < max_minus ? desired_size : max_minus;
}
@ -207,8 +207,8 @@ void GenCollectorPolicy::initialize_size_policy(size_t init_eden_size,
void GenCollectorPolicy::initialize_flags() {
// All sizes must be multiples of the generation granularity.
set_min_alignment((uintx) Generation::GenGrain);
set_max_alignment(compute_max_alignment());
_min_alignment = (uintx) Generation::GenGrain;
_max_alignment = compute_max_alignment();
CollectorPolicy::initialize_flags();
@ -218,14 +218,14 @@ void GenCollectorPolicy::initialize_flags() {
if (NewSize > MaxNewSize) {
MaxNewSize = NewSize;
}
NewSize = align_size_down(NewSize, min_alignment());
MaxNewSize = align_size_down(MaxNewSize, min_alignment());
NewSize = align_size_down(NewSize, _min_alignment);
MaxNewSize = align_size_down(MaxNewSize, _min_alignment);
// Check validity of heap flags
assert(NewSize % min_alignment() == 0, "eden space alignment");
assert(MaxNewSize % min_alignment() == 0, "survivor space alignment");
assert(NewSize % _min_alignment == 0, "eden space alignment");
assert(MaxNewSize % _min_alignment == 0, "survivor space alignment");
if (NewSize < 3*min_alignment()) {
if (NewSize < 3 * _min_alignment) {
// make sure there room for eden and two survivor spaces
vm_exit_during_initialization("Too small new size specified");
}
@ -237,7 +237,7 @@ void GenCollectorPolicy::initialize_flags() {
void TwoGenerationCollectorPolicy::initialize_flags() {
GenCollectorPolicy::initialize_flags();
OldSize = align_size_down(OldSize, min_alignment());
OldSize = align_size_down(OldSize, _min_alignment);
if (FLAG_IS_CMDLINE(OldSize) && FLAG_IS_DEFAULT(NewSize)) {
// NewRatio will be used later to set the young generation size so we use
@ -246,11 +246,11 @@ void TwoGenerationCollectorPolicy::initialize_flags() {
assert(NewRatio > 0, "NewRatio should have been set up earlier");
size_t calculated_heapsize = (OldSize / NewRatio) * (NewRatio + 1);
calculated_heapsize = align_size_up(calculated_heapsize, max_alignment());
calculated_heapsize = align_size_up(calculated_heapsize, _max_alignment);
MaxHeapSize = calculated_heapsize;
InitialHeapSize = calculated_heapsize;
}
MaxHeapSize = align_size_up(MaxHeapSize, max_alignment());
MaxHeapSize = align_size_up(MaxHeapSize, _max_alignment);
// adjust max heap size if necessary
if (NewSize + OldSize > MaxHeapSize) {
@ -260,18 +260,18 @@ void TwoGenerationCollectorPolicy::initialize_flags() {
uintx calculated_size = NewSize + OldSize;
double shrink_factor = (double) MaxHeapSize / calculated_size;
// align
NewSize = align_size_down((uintx) (NewSize * shrink_factor), min_alignment());
NewSize = align_size_down((uintx) (NewSize * shrink_factor), _min_alignment);
// OldSize is already aligned because above we aligned MaxHeapSize to
// max_alignment(), and we just made sure that NewSize is aligned to
// min_alignment(). In initialize_flags() we verified that max_alignment()
// is a multiple of min_alignment().
// _max_alignment, and we just made sure that NewSize is aligned to
// _min_alignment. In initialize_flags() we verified that _max_alignment
// is a multiple of _min_alignment.
OldSize = MaxHeapSize - NewSize;
} else {
MaxHeapSize = NewSize + OldSize;
}
}
// need to do this again
MaxHeapSize = align_size_up(MaxHeapSize, max_alignment());
MaxHeapSize = align_size_up(MaxHeapSize, _max_alignment);
// adjust max heap size if necessary
if (NewSize + OldSize > MaxHeapSize) {
@ -281,24 +281,24 @@ void TwoGenerationCollectorPolicy::initialize_flags() {
uintx calculated_size = NewSize + OldSize;
double shrink_factor = (double) MaxHeapSize / calculated_size;
// align
NewSize = align_size_down((uintx) (NewSize * shrink_factor), min_alignment());
NewSize = align_size_down((uintx) (NewSize * shrink_factor), _min_alignment);
// OldSize is already aligned because above we aligned MaxHeapSize to
// max_alignment(), and we just made sure that NewSize is aligned to
// min_alignment(). In initialize_flags() we verified that max_alignment()
// is a multiple of min_alignment().
// _max_alignment, and we just made sure that NewSize is aligned to
// _min_alignment. In initialize_flags() we verified that _max_alignment
// is a multiple of _min_alignment.
OldSize = MaxHeapSize - NewSize;
} else {
MaxHeapSize = NewSize + OldSize;
}
}
// need to do this again
MaxHeapSize = align_size_up(MaxHeapSize, max_alignment());
MaxHeapSize = align_size_up(MaxHeapSize, _max_alignment);
always_do_update_barrier = UseConcMarkSweepGC;
// Check validity of heap flags
assert(OldSize % min_alignment() == 0, "old space alignment");
assert(MaxHeapSize % max_alignment() == 0, "maximum heap alignment");
assert(OldSize % _min_alignment == 0, "old space alignment");
assert(MaxHeapSize % _max_alignment == 0, "maximum heap alignment");
}
// Values set on the command line win over any ergonomically
@ -313,7 +313,7 @@ void TwoGenerationCollectorPolicy::initialize_flags() {
void GenCollectorPolicy::initialize_size_info() {
CollectorPolicy::initialize_size_info();
// min_alignment() is used for alignment within a generation.
// _min_alignment is used for alignment within a generation.
// There is additional alignment done down stream for some
// collectors that sometimes causes unwanted rounding up of
// generations sizes.
@ -322,18 +322,18 @@ void GenCollectorPolicy::initialize_size_info() {
size_t max_new_size = 0;
if (FLAG_IS_CMDLINE(MaxNewSize) || FLAG_IS_ERGO(MaxNewSize)) {
if (MaxNewSize < min_alignment()) {
max_new_size = min_alignment();
if (MaxNewSize < _min_alignment) {
max_new_size = _min_alignment;
}
if (MaxNewSize >= max_heap_byte_size()) {
max_new_size = align_size_down(max_heap_byte_size() - min_alignment(),
min_alignment());
if (MaxNewSize >= _max_heap_byte_size) {
max_new_size = align_size_down(_max_heap_byte_size - _min_alignment,
_min_alignment);
warning("MaxNewSize (" SIZE_FORMAT "k) is equal to or "
"greater than the entire heap (" SIZE_FORMAT "k). A "
"new generation size of " SIZE_FORMAT "k will be used.",
MaxNewSize/K, max_heap_byte_size()/K, max_new_size/K);
MaxNewSize/K, _max_heap_byte_size/K, max_new_size/K);
} else {
max_new_size = align_size_down(MaxNewSize, min_alignment());
max_new_size = align_size_down(MaxNewSize, _min_alignment);
}
// The case for FLAG_IS_ERGO(MaxNewSize) could be treated
@ -351,7 +351,7 @@ void GenCollectorPolicy::initialize_size_info() {
// just accept those choices. The choices currently made are
// not always "wise".
} else {
max_new_size = scale_by_NewRatio_aligned(max_heap_byte_size());
max_new_size = scale_by_NewRatio_aligned(_max_heap_byte_size);
// Bound the maximum size by NewSize below (since it historically
// would have been NewSize and because the NewRatio calculation could
// yield a size that is too small) and bound it by MaxNewSize above.
@ -364,13 +364,13 @@ void GenCollectorPolicy::initialize_size_info() {
// Given the maximum gen0 size, determine the initial and
// minimum gen0 sizes.
if (max_heap_byte_size() == min_heap_byte_size()) {
if (_max_heap_byte_size == _min_heap_byte_size) {
// The maximum and minimum heap sizes are the same so
// the generations minimum and initial must be the
// same as its maximum.
set_min_gen0_size(max_new_size);
set_initial_gen0_size(max_new_size);
set_max_gen0_size(max_new_size);
_min_gen0_size = max_new_size;
_initial_gen0_size = max_new_size;
_max_gen0_size = max_new_size;
} else {
size_t desired_new_size = 0;
if (!FLAG_IS_DEFAULT(NewSize)) {
@ -391,43 +391,37 @@ void GenCollectorPolicy::initialize_size_info() {
// Use the default NewSize as the floor for these values. If
// NewRatio is overly large, the resulting sizes can be too
// small.
_min_gen0_size = MAX2(scale_by_NewRatio_aligned(min_heap_byte_size()),
NewSize);
_min_gen0_size = MAX2(scale_by_NewRatio_aligned(_min_heap_byte_size), NewSize);
desired_new_size =
MAX2(scale_by_NewRatio_aligned(initial_heap_byte_size()),
NewSize);
MAX2(scale_by_NewRatio_aligned(_initial_heap_byte_size), NewSize);
}
assert(_min_gen0_size > 0, "Sanity check");
set_initial_gen0_size(desired_new_size);
set_max_gen0_size(max_new_size);
_initial_gen0_size = desired_new_size;
_max_gen0_size = max_new_size;
// At this point the desirable initial and minimum sizes have been
// determined without regard to the maximum sizes.
// Bound the sizes by the corresponding overall heap sizes.
set_min_gen0_size(
bound_minus_alignment(_min_gen0_size, min_heap_byte_size()));
set_initial_gen0_size(
bound_minus_alignment(_initial_gen0_size, initial_heap_byte_size()));
set_max_gen0_size(
bound_minus_alignment(_max_gen0_size, max_heap_byte_size()));
_min_gen0_size = bound_minus_alignment(_min_gen0_size, _min_heap_byte_size);
_initial_gen0_size = bound_minus_alignment(_initial_gen0_size, _initial_heap_byte_size);
_max_gen0_size = bound_minus_alignment(_max_gen0_size, _max_heap_byte_size);
// At this point all three sizes have been checked against the
// maximum sizes but have not been checked for consistency
// among the three.
// Final check min <= initial <= max
set_min_gen0_size(MIN2(_min_gen0_size, _max_gen0_size));
set_initial_gen0_size(
MAX2(MIN2(_initial_gen0_size, _max_gen0_size), _min_gen0_size));
set_min_gen0_size(MIN2(_min_gen0_size, _initial_gen0_size));
_min_gen0_size = MIN2(_min_gen0_size, _max_gen0_size);
_initial_gen0_size = MAX2(MIN2(_initial_gen0_size, _max_gen0_size), _min_gen0_size);
_min_gen0_size = MIN2(_min_gen0_size, _initial_gen0_size);
}
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("1: Minimum gen0 " SIZE_FORMAT " Initial gen0 "
SIZE_FORMAT " Maximum gen0 " SIZE_FORMAT,
min_gen0_size(), initial_gen0_size(), max_gen0_size());
_min_gen0_size, _initial_gen0_size, _max_gen0_size);
}
}
@ -447,19 +441,17 @@ bool TwoGenerationCollectorPolicy::adjust_gen0_sizes(size_t* gen0_size_ptr,
if ((*gen1_size_ptr + *gen0_size_ptr) > heap_size) {
if ((heap_size < (*gen0_size_ptr + min_gen1_size)) &&
(heap_size >= min_gen1_size + min_alignment())) {
(heap_size >= min_gen1_size + _min_alignment)) {
// Adjust gen0 down to accommodate min_gen1_size
*gen0_size_ptr = heap_size - min_gen1_size;
*gen0_size_ptr =
MAX2((uintx)align_size_down(*gen0_size_ptr, min_alignment()),
min_alignment());
MAX2((uintx)align_size_down(*gen0_size_ptr, _min_alignment), _min_alignment);
assert(*gen0_size_ptr > 0, "Min gen0 is too large");
result = true;
} else {
*gen1_size_ptr = heap_size - *gen0_size_ptr;
*gen1_size_ptr =
MAX2((uintx)align_size_down(*gen1_size_ptr, min_alignment()),
min_alignment());
MAX2((uintx)align_size_down(*gen1_size_ptr, _min_alignment), _min_alignment);
}
}
return result;
@ -480,10 +472,9 @@ void TwoGenerationCollectorPolicy::initialize_size_info() {
// The maximum gen1 size can be determined from the maximum gen0
// and maximum heap size since no explicit flags exits
// for setting the gen1 maximum.
_max_gen1_size = max_heap_byte_size() - _max_gen0_size;
_max_gen1_size = _max_heap_byte_size - _max_gen0_size;
_max_gen1_size =
MAX2((uintx)align_size_down(_max_gen1_size, min_alignment()),
min_alignment());
MAX2((uintx)align_size_down(_max_gen1_size, _min_alignment), _min_alignment);
// If no explicit command line flag has been set for the
// gen1 size, use what is left for gen1.
if (FLAG_IS_DEFAULT(OldSize) || FLAG_IS_ERGO(OldSize)) {
@ -492,70 +483,66 @@ void TwoGenerationCollectorPolicy::initialize_size_info() {
// with the overall heap size). In either case make
// the minimum, maximum and initial sizes consistent
// with the gen0 sizes and the overall heap sizes.
assert(min_heap_byte_size() > _min_gen0_size,
assert(_min_heap_byte_size > _min_gen0_size,
"gen0 has an unexpected minimum size");
set_min_gen1_size(min_heap_byte_size() - min_gen0_size());
set_min_gen1_size(
MAX2((uintx)align_size_down(_min_gen1_size, min_alignment()),
min_alignment()));
set_initial_gen1_size(initial_heap_byte_size() - initial_gen0_size());
set_initial_gen1_size(
MAX2((uintx)align_size_down(_initial_gen1_size, min_alignment()),
min_alignment()));
_min_gen1_size = _min_heap_byte_size - _min_gen0_size;
_min_gen1_size =
MAX2((uintx)align_size_down(_min_gen1_size, _min_alignment), _min_alignment);
_initial_gen1_size = _initial_heap_byte_size - _initial_gen0_size;
_initial_gen1_size =
MAX2((uintx)align_size_down(_initial_gen1_size, _min_alignment), _min_alignment);
} else {
// It's been explicitly set on the command line. Use the
// OldSize and then determine the consequences.
set_min_gen1_size(OldSize);
set_initial_gen1_size(OldSize);
_min_gen1_size = OldSize;
_initial_gen1_size = OldSize;
// If the user has explicitly set an OldSize that is inconsistent
// with other command line flags, issue a warning.
// The generation minimums and the overall heap mimimum should
// be within one heap alignment.
if ((_min_gen1_size + _min_gen0_size + min_alignment()) <
min_heap_byte_size()) {
if ((_min_gen1_size + _min_gen0_size + _min_alignment) < _min_heap_byte_size) {
warning("Inconsistency between minimum heap size and minimum "
"generation sizes: using minimum heap = " SIZE_FORMAT,
min_heap_byte_size());
"generation sizes: using minimum heap = " SIZE_FORMAT,
_min_heap_byte_size);
}
if ((OldSize > _max_gen1_size)) {
warning("Inconsistency between maximum heap size and maximum "
"generation sizes: using maximum heap = " SIZE_FORMAT
" -XX:OldSize flag is being ignored",
max_heap_byte_size());
"generation sizes: using maximum heap = " SIZE_FORMAT
" -XX:OldSize flag is being ignored",
_max_heap_byte_size);
}
// If there is an inconsistency between the OldSize and the minimum and/or
// initial size of gen0, since OldSize was explicitly set, OldSize wins.
if (adjust_gen0_sizes(&_min_gen0_size, &_min_gen1_size,
min_heap_byte_size(), OldSize)) {
_min_heap_byte_size, OldSize)) {
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("2: Minimum gen0 " SIZE_FORMAT " Initial gen0 "
SIZE_FORMAT " Maximum gen0 " SIZE_FORMAT,
min_gen0_size(), initial_gen0_size(), max_gen0_size());
_min_gen0_size, _initial_gen0_size, _max_gen0_size);
}
}
// Initial size
if (adjust_gen0_sizes(&_initial_gen0_size, &_initial_gen1_size,
initial_heap_byte_size(), OldSize)) {
_initial_heap_byte_size, OldSize)) {
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("3: Minimum gen0 " SIZE_FORMAT " Initial gen0 "
SIZE_FORMAT " Maximum gen0 " SIZE_FORMAT,
min_gen0_size(), initial_gen0_size(), max_gen0_size());
_min_gen0_size, _initial_gen0_size, _max_gen0_size);
}
}
}
// Enforce the maximum gen1 size.
set_min_gen1_size(MIN2(_min_gen1_size, _max_gen1_size));
_min_gen1_size = MIN2(_min_gen1_size, _max_gen1_size);
// Check that min gen1 <= initial gen1 <= max gen1
set_initial_gen1_size(MAX2(_initial_gen1_size, _min_gen1_size));
set_initial_gen1_size(MIN2(_initial_gen1_size, _max_gen1_size));
_initial_gen1_size = MAX2(_initial_gen1_size, _min_gen1_size);
_initial_gen1_size = MIN2(_initial_gen1_size, _max_gen1_size);
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("Minimum gen1 " SIZE_FORMAT " Initial gen1 "
SIZE_FORMAT " Maximum gen1 " SIZE_FORMAT,
min_gen1_size(), initial_gen1_size(), max_gen1_size());
_min_gen1_size, _initial_gen1_size, _max_gen1_size);
}
}

19
hotspot/src/share/vm/memory/collectorPolicy.hpp
View file

@ -101,17 +101,12 @@ class CollectorPolicy : public CHeapObj<mtGC> {
// Return maximum heap alignment that may be imposed by the policy
static size_t compute_max_alignment();
void set_min_alignment(size_t align) { _min_alignment = align; }
size_t min_alignment() { return _min_alignment; }
void set_max_alignment(size_t align) { _max_alignment = align; }
size_t max_alignment() { return _max_alignment; }
size_t initial_heap_byte_size() { return _initial_heap_byte_size; }
void set_initial_heap_byte_size(size_t v) { _initial_heap_byte_size = v; }
size_t max_heap_byte_size() { return _max_heap_byte_size; }
void set_max_heap_byte_size(size_t v) { _max_heap_byte_size = v; }
size_t min_heap_byte_size() { return _min_heap_byte_size; }
void set_min_heap_byte_size(size_t v) { _min_heap_byte_size = v; }
enum Name {
CollectorPolicyKind,
@ -248,12 +243,9 @@ class GenCollectorPolicy : public CollectorPolicy {
public:
// Accessors
size_t min_gen0_size() { return _min_gen0_size; }
void set_min_gen0_size(size_t v) { _min_gen0_size = v; }
size_t min_gen0_size() { return _min_gen0_size; }
size_t initial_gen0_size() { return _initial_gen0_size; }
void set_initial_gen0_size(size_t v) { _initial_gen0_size = v; }
size_t max_gen0_size() { return _max_gen0_size; }
void set_max_gen0_size(size_t v) { _max_gen0_size = v; }
size_t max_gen0_size() { return _max_gen0_size; }
virtual int number_of_generations() = 0;
@ -302,12 +294,9 @@ class TwoGenerationCollectorPolicy : public GenCollectorPolicy {
public:
// Accessors
size_t min_gen1_size() { return _min_gen1_size; }
void set_min_gen1_size(size_t v) { _min_gen1_size = v; }
size_t min_gen1_size() { return _min_gen1_size; }
size_t initial_gen1_size() { return _initial_gen1_size; }
void set_initial_gen1_size(size_t v) { _initial_gen1_size = v; }
size_t max_gen1_size() { return _max_gen1_size; }
void set_max_gen1_size(size_t v) { _max_gen1_size = v; }
size_t max_gen1_size() { return _max_gen1_size; }
// Inherited methods
TwoGenerationCollectorPolicy* as_two_generation_policy() { return this; }