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Properly handle bad physical pages
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This commit is contained in:
Aiken Harris
2026-01-01 20:51:30 +01:00
parent 7bcd78fdf3
commit f653b9f79c
1 changed files with 5 additions and 2 deletions
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7
xtoskrnl/mm/pfn.cc
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@@ -260,6 +260,9 @@ MM::Pfn::LinkFreePage(IN PFN_NUMBER PageFrameIndex)
/* Update cache attribute to not mapped */ /* Update cache attribute to not mapped */
PfnEntry->u3.e1.CacheAttribute = PfnNotMapped; PfnEntry->u3.e1.CacheAttribute = PfnNotMapped;
/* Insert the page into the bad page list instead */
LinkPage(&BadPagesList, PageFrameIndex);
/* Do not add it to the free list */ /* Do not add it to the free list */
return; return;
} }
@@ -693,8 +696,8 @@ MM::Pfn::ProcessMemoryDescriptor(IN PFN_NUMBER BasePage,
switch(MemoryType) switch(MemoryType)
{ {
case LoaderBad: case LoaderBad:
/* This memory is marked as bad and should not be used */ /* This memory is marked as bad and should not be used, add it to the bad pages list */
UNIMPLEMENTED; LinkPage(&BadPagesList, BasePage);
break; break;
case LoaderXIPRom: case LoaderXIPRom:
/* This memory range contains Read-Only Memory (ROM) */ /* This memory range contains Read-Only Memory (ROM) */