1 // Copyright 2025 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #include <cstddef> 17 #include <cstdint> 18 19 #include "pw_allocator/block/small_block_base.h" 20 21 namespace pw::allocator { 22 23 /// A compact block implementation. 24 /// 25 /// Like its base class, this block is allocatable with a fixed alignment. It is 26 /// fairly compact in terms of code size, and each block uses 8 bytes of 27 /// overhead. It can address up to 2^32 bytes of memory. 28 class SmallBlock : public SmallBlockBase<SmallBlock, uint32_t, 0> { 29 private: 30 friend SmallBlockBase<SmallBlock, uint32_t, 0>; SmallBlock(size_t outer_size)31 constexpr explicit SmallBlock(size_t outer_size) 32 : SmallBlockBase(outer_size) {} 33 }; 34 35 } // namespace pw::allocator 36