| /* |
| * Copyright (C) 2025 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| namespace android::binder { |
| |
| /** |
| * See also BINDER_VM_SIZE. In kernel binder, the sum of all transactions must be allocated in this |
| * space. Large transactions are very error prone. In general, we should work to reduce this limit. |
| * The same limit is used in RPC binder for consistency. |
| */ |
| constexpr size_t kLogTransactionsOverBytes = 300 * 1024; |
| |
| /** |
| * See b/392575419 - this limit is chosen for a specific usecase, because RPC binder does not have |
| * support for shared memory in the Android Baklava timeframe. This was 100 KB during and before |
| * Android V. |
| * |
| * Keeping this low helps preserve overall system performance. Transactions of this size are far too |
| * expensive to make multiple copies over binder or sockets, and they should be avoided if at all |
| * possible and transition to shared memory. |
| */ |
| constexpr size_t kRpcTransactionLimitBytes = 600 * 1024; |
| |
| } // namespace android::binder |