Method getAllocIdx

cachelib/allocator/memory/AllocationClass.cpp:371–378

}

size_t AllocationClass::getAllocIdx(const Slab* slab,
                                    void* alloc) const noexcept {
  const size_t offset = reinterpret_cast<uintptr_t>(alloc) -
                        reinterpret_cast<uintptr_t>(slab->memoryAtOffset(0));
  XDCHECK_EQ(0u, offset % allocationSize_);
  XDCHECK_LT(offset, Slab::kSize);
  return offset / allocationSize_;
}

void AllocationClass::partitionFreeAllocs(const Slab* slab,
                                          FreeList& freeAllocs,