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Remove redundant PFN database alignment
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This commit is contained in:
Aiken Harris
2026-01-30 17:46:20 +01:00
parent 6a7bc64ac7
commit 825de8b471
1 changed files with 1 additions and 2 deletions
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xtoskrnl/mm/i686/mmgr.cc
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@@ -406,9 +406,8 @@ MM::Manager::InitializeMemoryLayout(VOID)
/* Insert the PFN database right after the loader mappings */ /* Insert the PFN database right after the loader mappings */
MemoryLayout.PfnDatabase = (PMMPFN)MemoryLayout.LoaderMappingsEnd; MemoryLayout.PfnDatabase = (PMMPFN)MemoryLayout.LoaderMappingsEnd;
/* Compute the PFN database page-aligned end address */ /* Compute the PFN database end address */
PfnDatabaseEnd = (ULONG_PTR)MemoryLayout.PfnDatabase + (MemoryLayout.PfnDatabaseSize * MM_PAGE_SIZE); PfnDatabaseEnd = (ULONG_PTR)MemoryLayout.PfnDatabase + (MemoryLayout.PfnDatabaseSize * MM_PAGE_SIZE);
PfnDatabaseEnd = ROUND_UP(PfnDatabaseEnd, MM_PAGE_SIZE);
/* Check in non-paged pool fits before session space */ /* Check in non-paged pool fits before session space */
if(MemoryLayout.NonPagedPoolSize * MM_PAGE_SIZE <= ((ULONG_PTR)MemoryLayout.SessionSpaceStart - PfnDatabaseEnd)) if(MemoryLayout.NonPagedPoolSize * MM_PAGE_SIZE <= ((ULONG_PTR)MemoryLayout.SessionSpaceStart - PfnDatabaseEnd))