#pragma once /* * Copyright (C) 2024 Brett Terpstra * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef BLT_MMAP_H #define BLT_MMAP_H #include #include #ifdef __unix__ #include #endif // size of 2mb in bytes inline constexpr blt::size_t BLT_2MB_SIZE = 4096 * 512; namespace blt { /** * Logging function used for handling mmap errors. call after a failed mmap call. */ void handle_mmap_error(blt::logging::logger func); inline static constexpr blt::size_t align_size_to(blt::size_t size, blt::size_t align) { const blt::size_t MASK = ~(align - 1); return (size & MASK) + align; } void* allocate_2mb_huge_pages(blt::size_t bytes); } #endif //BLT_MMAP_H