1cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi/* 2cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * Copyright (C) 2013 The Android Open Source Project 3cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * 4cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * Licensed under the Apache License, Version 2.0 (the "License"); 5cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * you may not use this file except in compliance with the License. 6cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * You may obtain a copy of the License at 7cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * 8cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * http://www.apache.org/licenses/LICENSE-2.0 9cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * 10cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * Unless required by applicable law or agreed to in writing, software 11cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * distributed under the License is distributed on an "AS IS" BASIS, 12cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * See the License for the specific language governing permissions and 14cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi * limitations under the License. 15cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi */ 16cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 17cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi#ifndef ART_RUNTIME_GC_SPACE_MALLOC_SPACE_H_ 18cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi#define ART_RUNTIME_GC_SPACE_MALLOC_SPACE_H_ 19cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 20cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi#include "space.h" 21cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 22cf7f19135f0e273f7b0136315633c2abfc715343Ian Rogers#include <ostream> 231e13374baf7dfaf442ffbf9809c37c131d681eafEvgenii Stepanov#include "base/memory_tool.h" 247cb7bbcfffb2716ef8d68ecb747954ec42c4bdc5Hiroshi Yamauchi 25cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchinamespace art { 26cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchinamespace gc { 27cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 28cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchinamespace collector { 292ffb703bf431d74326c88266b4ddaf225eb3c6adIgor Murashkinclass MarkSweep; 30cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi} // namespace collector 31cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 32cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchinamespace space { 33cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 34a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartierclass ZygoteSpace; 35a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier 36cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi// A common parent of DlMallocSpace and RosAllocSpace. 37cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchiclass MallocSpace : public ContinuousMemMapAllocSpace { 38cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi public: 39cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi typedef void(*WalkCallback)(void *start, void *end, size_t num_bytes, void* callback_arg); 40cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 41cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi SpaceType GetType() const { 42a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier return kSpaceTypeMallocSpace; 43cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi } 44cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 45cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Allocate num_bytes allowing the underlying space to grow. 466fac447555dc94a935b78198479cce645c837b89Ian Rogers virtual mirror::Object* AllocWithGrowth(Thread* self, size_t num_bytes, 474460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi size_t* bytes_allocated, size_t* usable_size, 484460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi size_t* bytes_tl_bulk_allocated) = 0; 496fac447555dc94a935b78198479cce645c837b89Ian Rogers // Allocate num_bytes without allowing the underlying space to grow. 506fac447555dc94a935b78198479cce645c837b89Ian Rogers virtual mirror::Object* Alloc(Thread* self, size_t num_bytes, size_t* bytes_allocated, 514460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi size_t* usable_size, size_t* bytes_tl_bulk_allocated) = 0; 522cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier // Return the storage space required by obj. If usable_size isn't null then it is set to the 536fac447555dc94a935b78198479cce645c837b89Ian Rogers // amount of the storage space that may be used by obj. 546fac447555dc94a935b78198479cce645c837b89Ian Rogers virtual size_t AllocationSize(mirror::Object* obj, size_t* usable_size) = 0; 55ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers virtual size_t Free(Thread* self, mirror::Object* ptr) 56bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_) = 0; 57ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers virtual size_t FreeList(Thread* self, size_t num_ptrs, mirror::Object** ptrs) 58bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_) = 0; 59cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 604460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi // Returns the maximum bytes that could be allocated for the given 614460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi // size in bulk, that is the maximum value for the 624460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi // bytes_allocated_bulk out param returned by MallocSpace::Alloc(). 634460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi virtual size_t MaxBytesBulkAllocatedFor(size_t num_bytes) = 0; 644460a84be92b5a94ecfb5c650aef4945ab849c93Hiroshi Yamauchi 65cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi#ifndef NDEBUG 66cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual void CheckMoreCoreForPrecondition() {} // to be overridden in the debug build. 67cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi#else 68cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi void CheckMoreCoreForPrecondition() {} // no-op in the non-debug build. 69cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi#endif 70cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 71cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi void* MoreCore(intptr_t increment); 72cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 73cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Hands unused pages back to the system. 74cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual size_t Trim() = 0; 75cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 76cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Perform a mspace_inspect_all which calls back for each allocation chunk. The chunk may not be 77cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // in use, indicated by num_bytes equaling zero. 78cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual void Walk(WalkCallback callback, void* arg) = 0; 79cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 80cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Returns the number of bytes that the space has currently obtained from the system. This is 81cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // greater or equal to the amount of live data in the space. 82cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual size_t GetFootprint() = 0; 83cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 84cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Returns the number of bytes that the heap is allowed to obtain from the system via MoreCore. 85cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual size_t GetFootprintLimit() = 0; 86cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 87cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Set the maximum number of bytes that the heap is allowed to obtain from the system via 88cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // MoreCore. Note this is used to stop the mspace growing beyond the limit to Capacity. When 89cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // allocations fail we GC before increasing the footprint limit and allowing the mspace to grow. 90cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual void SetFootprintLimit(size_t limit) = 0; 91cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 92cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Removes the fork time growth limit on capacity, allowing the application to allocate up to the 93cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // maximum reserved size of the heap. 94cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi void ClearGrowthLimit() { 95cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi growth_limit_ = NonGrowthLimitCapacity(); 96cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi } 97cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 98cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Override capacity so that we only return the possibly limited capacity 99cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi size_t Capacity() const { 100cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi return growth_limit_; 101cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi } 102cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 103cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // The total amount of memory reserved for the alloc space. 104cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi size_t NonGrowthLimitCapacity() const { 105cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi return GetMemMap()->Size(); 106cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi } 107cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 108379d09fe3c3feb7c2a2fb5a3623689b5ace7e79bMathieu Chartier // Change the non growth limit capacity by shrinking or expanding the map. Currently, only 109379d09fe3c3feb7c2a2fb5a3623689b5ace7e79bMathieu Chartier // shrinking is supported. 110379d09fe3c3feb7c2a2fb5a3623689b5ace7e79bMathieu Chartier void ClampGrowthLimit(); 111379d09fe3c3feb7c2a2fb5a3623689b5ace7e79bMathieu Chartier 112cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi void Dump(std::ostream& os) const; 113cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 114cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi void SetGrowthLimit(size_t growth_limit); 115cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 116d7576328811e5103e99d31f834a857522cc1463fAndreas Gampe virtual MallocSpace* CreateInstance(MemMap* mem_map, const std::string& name, void* allocator, 117d7576328811e5103e99d31f834a857522cc1463fAndreas Gampe uint8_t* begin, uint8_t* end, uint8_t* limit, 118d7576328811e5103e99d31f834a857522cc1463fAndreas Gampe size_t growth_limit, bool can_move_objects) = 0; 119cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 120a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier // Splits ourself into a zygote space and new malloc space which has our unused memory. When true, 121a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier // the low memory mode argument specifies that the heap wishes the created space to be more 122a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier // aggressive in releasing unused pages. Invalidates the space its called on. 123a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier ZygoteSpace* CreateZygoteSpace(const char* alloc_space_name, bool low_memory_mode, 124a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier MallocSpace** out_malloc_space) NO_THREAD_SAFETY_ANALYSIS; 125cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual uint64_t GetBytesAllocated() = 0; 126cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi virtual uint64_t GetObjectsAllocated() = 0; 127cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 128cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Returns the class of a recently freed object. 129cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi mirror::Class* FindRecentFreedObject(const mirror::Object* obj); 130cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 13131f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier bool CanMoveObjects() const OVERRIDE { 13231f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier return can_move_objects_; 13331f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier } 13431f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier 1356a7824dc81aaab3cb09ced16affca72d1b1da649Mathieu Chartier void DisableMovingObjects() { 1366a7824dc81aaab3cb09ced16affca72d1b1da649Mathieu Chartier can_move_objects_ = false; 1376a7824dc81aaab3cb09ced16affca72d1b1da649Mathieu Chartier } 1386a7824dc81aaab3cb09ced16affca72d1b1da649Mathieu Chartier 139cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi protected: 14013735955f39b3b304c37d2b2840663c131262c18Ian Rogers MallocSpace(const std::string& name, MemMap* mem_map, uint8_t* begin, uint8_t* end, 14113735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* limit, size_t growth_limit, bool create_bitmaps, bool can_move_objects, 14231f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier size_t starting_size, size_t initial_size); 143cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 144cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi static MemMap* CreateMemMap(const std::string& name, size_t starting_size, size_t* initial_size, 14513735955f39b3b304c37d2b2840663c131262c18Ian Rogers size_t* growth_limit, size_t* capacity, uint8_t* requested_begin); 146cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 1476fac447555dc94a935b78198479cce645c837b89Ian Rogers // When true the low memory mode argument specifies that the heap wishes the created allocator to 1486fac447555dc94a935b78198479cce645c837b89Ian Rogers // be more aggressive in releasing unused pages. 149573f7d2d68e1838a0485e6b40d90c967526e00c2Hiroshi Yamauchi virtual void* CreateAllocator(void* base, size_t morecore_start, size_t initial_size, 15026d69ffc0ebc98fbc5f316d8cd3ee6ba5b2001acHiroshi Yamauchi size_t maximum_size, bool low_memory_mode) = 0; 151cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 152661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier virtual void RegisterRecentFree(mirror::Object* ptr) 153bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_) 15490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(lock_); 155cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 156a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier virtual accounting::ContinuousSpaceBitmap::SweepCallback* GetSweepCallback() { 157a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier return &SweepCallback; 158a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier } 159cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 160cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Recent allocation buffer. 161cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi static constexpr size_t kRecentFreeCount = kDebugSpaces ? (1 << 16) : 0; 162cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi static constexpr size_t kRecentFreeMask = kRecentFreeCount - 1; 163cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi std::pair<const mirror::Object*, mirror::Class*> recent_freed_objects_[kRecentFreeCount]; 164cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi size_t recent_free_pos_; 165cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 166cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi static size_t bitmap_index_; 167cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 168cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Used to ensure mutual exclusion when the allocation spaces data structures are being modified. 169cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Mutex lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 170cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 171cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // The capacity of the alloc space until such time that ClearGrowthLimit is called. 172cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // The underlying mem_map_ controls the maximum size we allow the heap to grow to. The growth 173cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // limit is a value <= to the mem_map_ capacity used for ergonomic reasons because of the zygote. 174cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Prior to forking the zygote the heap will have a maximally sized mem_map_ but the growth_limit_ 175cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // will be set to a lower value. The growth_limit_ is used as the capacity of the alloc_space_, 176cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // however, capacity normally can't vary. In the case of the growth_limit_ it can be cleared 177cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // one time by a call to ClearGrowthLimit. 178cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi size_t growth_limit_; 179cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 18031f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier // True if objects in the space are movable. 1816a7824dc81aaab3cb09ced16affca72d1b1da649Mathieu Chartier bool can_move_objects_; 18231f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier 18331f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier // Starting and initial sized, used when you reset the space. 18431f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier const size_t starting_size_; 18531f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier const size_t initial_size_; 18631f441464c0c8f840aba37e236ad133f30308d70Mathieu Chartier 187e5eedcb4a634246d1f912992853441f715d705ccHiroshi Yamauchi private: 188ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers static void SweepCallback(size_t num_ptrs, mirror::Object** ptrs, void* arg) 189bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 190a1602f28c0e3127ad511712d4b08db89737ae901Mathieu Chartier 191cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi DISALLOW_COPY_AND_ASSIGN(MallocSpace); 192cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi}; 193cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 194cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi} // namespace space 195cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi} // namespace gc 196cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi} // namespace art 197cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 198e5eedcb4a634246d1f912992853441f715d705ccHiroshi Yamauchi#endif // ART_RUNTIME_GC_SPACE_MALLOC_SPACE_H_ 199