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Fix physical page count overflow by using 64-bit type

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Aiken Harris
2025-12-22 23:32:54 +01:00
parent 643fd0d1e8
commit 7575526f07
3 changed files with 4 additions and 4 deletions
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2
xtoskrnl/mm/data.cc
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@@ -34,7 +34,7 @@ ULONG_PTR MM::Pfn::LowestPhysicalPage = -1;
MMMEMORY_LAYOUT MM::Manager::MemoryLayout;
/* Number of physical pages */
ULONG MM::Pfn::NumberOfPhysicalPages;
ULONGLONG MM::Pfn::NumberOfPhysicalPages;
/* Number of system PTEs */
PFN_NUMBER MM::Manager::NumberOfSystemPtes;

2
xtoskrnl/mm/pfn.cc
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@@ -68,7 +68,7 @@ MM::Pfn::ComputePfnDatabaseSize(VOID)
* @since XT 1.0
*/
XTAPI
ULONG
ULONGLONG
MM::Pfn::GetNumberOfPhysicalPages(VOID)
{
/* Return the number of physical pages */