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Implement initial memory manager infrastructure #24

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harraiken wants to merge 169 commits from memmgr into master
pull from: memmgr
merge into: xt-sys:master
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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 */
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 = ROUND_UP(PfnDatabaseEnd, MM_PAGE_SIZE);
/* Check in non-paged pool fits before session space */
if(MemoryLayout.NonPagedPoolSize * MM_PAGE_SIZE <= ((ULONG_PTR)MemoryLayout.SessionSpaceStart - PfnDatabaseEnd))