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https://github.com/Atmosphere-NX/Atmosphere.git
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28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mesosphere.hpp>
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namespace ams::kern {
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size_t KPageHeap::CalculateMetadataOverheadSize(size_t region_size, const size_t *block_shifts, size_t num_block_shifts) {
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size_t overhead_size = 0;
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for (size_t i = 0; i < num_block_shifts; i++) {
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overhead_size += KPageHeap::Block::CalculateMetadataOverheadSize(region_size, block_shifts[i], (i != num_block_shifts - 1) ? block_shifts[i + 1] : 0);
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}
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return util::AlignUp(overhead_size, KMemoryManager::PageSize);
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}
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}
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