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Kernel: Pass the actual vaddr range to reserve pages

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Bananymous
2026-04-04 22:32:55 +03:00
parent 85f676c30a
commit 47d85eb281
1 changed files with 4 additions and 2 deletions
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6
kernel/kernel/Memory/MemoryRegion.cpp
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@@ -22,8 +22,10 @@ namespace Kernel
BAN::ErrorOr<void> MemoryRegion::initialize(AddressRange address_range)
{
size_t needed_pages = BAN::Math::div_round_up<size_t>(m_size, PAGE_SIZE);
m_vaddr = m_page_table.reserve_free_contiguous_pages(needed_pages, address_range.start);
if (auto rem = address_range.end % PAGE_SIZE)
address_range.end += PAGE_SIZE - rem;
const size_t needed_pages = BAN::Math::div_round_up<size_t>(m_size, PAGE_SIZE);
m_vaddr = m_page_table.reserve_free_contiguous_pages(needed_pages, address_range.start, address_range.end);
if (m_vaddr == 0)
return BAN::Error::from_errno(ENOMEM);
if (m_vaddr + m_size > address_range.end)