diff options
Diffstat (limited to 'Kernel')
| -rw-r--r-- | Kernel/VM/RangeAllocator.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Kernel/VM/RangeAllocator.cpp b/Kernel/VM/RangeAllocator.cpp index 4504d810c6..509d7e4a71 100644 --- a/Kernel/VM/RangeAllocator.cpp +++ b/Kernel/VM/RangeAllocator.cpp @@ -96,6 +96,9 @@ void RangeAllocator::carve_at_index(int index, const Range& range) Range RangeAllocator::allocate_anywhere(size_t size, size_t alignment) { + if (!size) + return {}; + #ifdef VM_GUARD_PAGES // NOTE: We pad VM allocations with a guard page on each side. size_t effective_size = size + PAGE_SIZE * 2; @@ -135,6 +138,9 @@ Range RangeAllocator::allocate_anywhere(size_t size, size_t alignment) Range RangeAllocator::allocate_specific(VirtualAddress base, size_t size) { + if (!size) + return {}; + Range allocated_range(base, size); for (int i = 0; i < m_available_ranges.size(); ++i) { auto& available_range = m_available_ranges[i]; |