75     if (munmap(chunk.ptr, chunk.size) != 0) {  in ~SwapSpace()
77           << static_cast<const void*>(chunk.ptr) << " size=" << chunk.size;  in ~SwapSpace()
127       it->free_by_start_entry->ptr += size;  in Alloc()
134     return old_chunk.ptr;  in Alloc()
140       SpaceChunk remainder = { new_chunk.ptr + size, new_chunk.size - size };  in Alloc()
143     return new_chunk.ptr;  in Alloc()
154   uint8_t* ptr = reinterpret_cast<uint8_t*>(  in NewFileChunk()  local
156   if (ptr == MAP_FAILED) {  in NewFileChunk()
165   SpaceChunk new_chunk = {ptr, next_part};  in NewFileChunk()
175 void SwapSpace::Free(void* ptr, size_t size) {  in Free()  argument
184   SpaceChunk chunk = { reinterpret_cast<uint8_t*>(ptr), size };  in Free()
193       chunk.ptr -= prev->size;  in Free()