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Kernel: Use the InstrusiveRedBlackTree::begin_from(V&) API
This let's us skip an O(logn) tree traversal.
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Notes:
sideshowbarker
2024-07-17 14:29:49 +09:00
Author: https://github.com/IdanHo Commit: https://github.com/SerenityOS/serenity/commit/d6e4a25e0c Pull-request: https://github.com/SerenityOS/serenity/pull/13490
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@ -271,7 +271,7 @@ ErrorOr<Vector<Region*>> AddressSpace::find_regions_intersecting(VirtualRange co
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auto* found_region = m_region_tree.regions().find_largest_not_above(range.base().get());
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if (!found_region)
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return regions;
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for (auto iter = m_region_tree.regions().begin_from((*found_region).vaddr().get()); !iter.is_end(); ++iter) {
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for (auto iter = m_region_tree.regions().begin_from(*found_region); !iter.is_end(); ++iter) {
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auto const& iter_range = (*iter).range();
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if (iter_range.base() < range.end() && iter_range.end() > range.base()) {
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TRY(regions.try_append(&*iter));
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