264 struct Allocator {  struct
265   static const uptr MaxAllowedMallocSize = 1ULL << 40;
266   static const uptr MinAlignment = 1 << MinAlignmentLog;
267   static const uptr MaxAlignment = 1 << MaxAlignmentLog; // 16 MB
269   ScudoAllocator BackendAllocator;
270   ScudoQuarantine AllocatorQuarantine;
275   StaticSpinMutex FallbackMutex;
276   AllocatorCache FallbackAllocatorCache;
277   QuarantineCache FallbackQuarantineCache;
279   bool DeallocationTypeMismatch;
280   bool ZeroContents;
281   bool DeleteSizeMismatch;
283   explicit Allocator(LinkerInitialized)  in Allocator()  argument
287   void init(const AllocatorOptions &Options) {  in init()
317   void *allocate(uptr Size, uptr Alignment, AllocType Type) {  in allocate()
377   void deallocate(void *UserPtr, uptr DeleteSize, AllocType Type) {  in deallocate()
431   uptr getUsableSize(const void *Ptr, UnpackedHeader *Header) {  in getUsableSize()
458   uptr getUsableSize(const void *Ptr) {  in getUsableSize()
465   void *reallocate(void *OldPtr, uptr NewSize) {  in reallocate()
505   void *calloc(uptr NMemB, uptr Size) {  in calloc()
518   void drainQuarantine() {  in drainQuarantine()