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Kernel: Use NonnullRefPtrVector<T> instead of Vector<RefPtr<T>> some

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This commit is contained in:
Andreas Kling 2020-05-08 20:15:01 +02:00
parent bd12f132f3
commit d74650e80d
4 changed files with 9 additions and 11 deletions
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7
Kernel/VM/MemoryManager.cpp
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@ -492,13 +492,12 @@ void MemoryManager::deallocate_supervisor_physical_page(PhysicalPage&& page)
ASSERT_NOT_REACHED();
}
Vector<RefPtr<PhysicalPage>> MemoryManager::allocate_contiguous_supervisor_physical_pages(size_t size)
NonnullRefPtrVector<PhysicalPage> MemoryManager::allocate_contiguous_supervisor_physical_pages(size_t size)
{
ASSERT(!(size % PAGE_SIZE));
InterruptDisabler disabler;
size_t count = ceil_div(size, PAGE_SIZE);
Vector<RefPtr<PhysicalPage>> physical_pages;
physical_pages.ensure_capacity(count);
NonnullRefPtrVector<PhysicalPage> physical_pages;
for (auto& region : m_super_physical_regions) {
physical_pages = region.take_contiguous_free_pages((count), true);
@ -516,7 +515,7 @@ Vector<RefPtr<PhysicalPage>> MemoryManager::allocate_contiguous_supervisor_physi
return {};
}
auto cleanup_region = MM.allocate_kernel_region(physical_pages[0]->paddr(), PAGE_SIZE * count, "MemoryManager Allocation Sanitization", Region::Access::Read | Region::Access::Write);
auto cleanup_region = MM.allocate_kernel_region(physical_pages[0].paddr(), PAGE_SIZE * count, "MemoryManager Allocation Sanitization", Region::Access::Read | Region::Access::Write);
fast_u32_fill((u32*)cleanup_region->vaddr().as_ptr(), 0, (PAGE_SIZE * count) / sizeof(u32));
m_super_physical_pages_used += count;
return physical_pages;