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Move PFN database size tracking to memory layout
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This commit is contained in:
Aiken Harris
2026-01-29 22:26:31 +01:00
parent 58669d3074
commit 5e3fb7a5a3
8 changed files with 26 additions and 41 deletions
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7
xtoskrnl/mm/amd64/mmgr.cc
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@@ -21,7 +21,6 @@ VOID
MM::Manager::InitializeMemoryLayout(VOID)
{
ULONG_PTR PagedPoolSize, PteCount;
PFN_NUMBER PfnDatabaseSize;
ULONG PtesPerPage;
/* Get the number of PTEs per page and calculate size of paged pool (at least 32MiB) */
@@ -30,7 +29,7 @@ MM::Manager::InitializeMemoryLayout(VOID)
PagedPoolSize = PteCount * PtesPerPage * MM_PAGE_SIZE;
/* Retrieve the PFN database size */
PfnDatabaseSize = MM::Pfn::GetPfnDatabaseSize();
MM::Pfn::GetPfnDatabaseSize(&MemoryLayout.PfnDatabaseSize);
/* Define the number of system PTEs */
NumberOfSystemPtes = MM_DEFAULT_NUMBER_SYSTEM_PTES;
@@ -43,7 +42,7 @@ MM::Manager::InitializeMemoryLayout(VOID)
MemoryLayout.SelfMapAddress = (PVOID)MM_P5E_LA57_BASE;
/* Define the non-paged and paged pool regions */
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + MemoryLayout.PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolEnd = (PVOID)0xFFFEFFFFFFBFFFFFULL;
MemoryLayout.PagedPoolStart = (PVOID)0xFFFEF8A000000000ULL;
MemoryLayout.PagedPoolEnd = (PVOID)(((ULONG_PTR)MemoryLayout.PagedPoolStart + PagedPoolSize) - 1);
@@ -60,7 +59,7 @@ MM::Manager::InitializeMemoryLayout(VOID)
MemoryLayout.SelfMapAddress = (PVOID)MM_PXE_BASE;
/* Define the non-paged and paged pool regions */
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + MemoryLayout.PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolEnd = (PVOID)0xFFFFFFFFFFBFFFFFULL;
MemoryLayout.PagedPoolStart = (PVOID)0xFFFFF8A000000000ULL;
MemoryLayout.PagedPoolEnd = (PVOID)(((ULONG_PTR)MemoryLayout.PagedPoolStart + PagedPoolSize) - 1);