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Kernel: Add some inline capacity to find_regions_intersecting
This should avoid some allocations during simple cases of munmap, mprotect and msync, where you usually don't have a lot of regions anyway
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2 changed files with 3 additions and 3 deletions
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@ -253,9 +253,9 @@ Region* AddressSpace::find_region_containing(VirtualRange const& range)
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return m_region_tree.find_region_containing(range);
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}
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ErrorOr<Vector<Region*>> AddressSpace::find_regions_intersecting(VirtualRange const& range)
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ErrorOr<Vector<Region*, 4>> AddressSpace::find_regions_intersecting(VirtualRange const& range)
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{
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Vector<Region*> regions = {};
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Vector<Region*, 4> regions = {};
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size_t total_size_collected = 0;
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SpinlockLocker lock(m_lock);
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@ -45,7 +45,7 @@ public:
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Region* find_region_from_range(VirtualRange const&);
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Region* find_region_containing(VirtualRange const&);
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ErrorOr<Vector<Region*>> find_regions_intersecting(VirtualRange const&);
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ErrorOr<Vector<Region*, 4>> find_regions_intersecting(VirtualRange const&);
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bool enforces_syscall_regions() const { return m_enforces_syscall_regions; }
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void set_enforces_syscall_regions(bool b) { m_enforces_syscall_regions = b; }
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