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Kernel: Add some inline capacity to find_regions_intersecting

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This should avoid some allocations during simple cases of munmap,
mprotect and msync, where you usually don't have a lot of regions anyway
This commit is contained in:
Hendiadyoin1 2022-06-19 15:27:35 +02:00 • committed by Andreas Kling
parent c3e57bfccb
commit 66fc06001d
2 changed files with 3 additions and 3 deletions
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4
Kernel/Memory/AddressSpace.cpp
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@ -253,9 +253,9 @@ Region* AddressSpace::find_region_containing(VirtualRange const& range)
return m_region_tree.find_region_containing(range);
}
ErrorOr<Vector<Region*>> AddressSpace::find_regions_intersecting(VirtualRange const& range)
ErrorOr<Vector<Region*, 4>> AddressSpace::find_regions_intersecting(VirtualRange const& range)
{
Vector<Region*> regions = {};
Vector<Region*, 4> regions = {};
size_t total_size_collected = 0;
SpinlockLocker lock(m_lock);