[ros-diffs] [tkreuzer] 46403: [NTOS] - fix ExInterlockedPopEntryList and ExInterlockedPushEntryList - Update amd64/mm.h and mm/amd64/init.c to reflect latest trunk changes - make freelist.c compile again

tkreuzer at svn.reactos.org tkreuzer at svn.reactos.org
Wed Mar 24 21:26:55 CET 2010


Author: tkreuzer
Date: Wed Mar 24 21:26:54 2010
New Revision: 46403

URL: http://svn.reactos.org/svn/reactos?rev=46403&view=rev
Log:
[NTOS]
- fix ExInterlockedPopEntryList and ExInterlockedPushEntryList
- Update amd64/mm.h and mm/amd64/init.c to reflect latest trunk changes
- make freelist.c compile again

Modified:
    branches/ros-amd64-bringup/reactos/ntoskrnl/ex/amd64/fastinterlck.c
    branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h
    branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/init.c
    branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/page.c
    branches/ros-amd64-bringup/reactos/ntoskrnl/mm/freelist.c

Modified: branches/ros-amd64-bringup/reactos/ntoskrnl/ex/amd64/fastinterlck.c
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/ntoskrnl/ex/amd64/fastinterlck.c?rev=46403&r1=46402&r2=46403&view=diff
==============================================================================
--- branches/ros-amd64-bringup/reactos/ntoskrnl/ex/amd64/fastinterlck.c [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/ntoskrnl/ex/amd64/fastinterlck.c [iso-8859-1] Wed Mar 24 21:26:54 2010
@@ -79,11 +79,11 @@
                           IN PKSPIN_LOCK Lock)
 {
     KIRQL OldIrql;
-    PSINGLE_LIST_ENTRY OldHead = NULL;
+    PSINGLE_LIST_ENTRY FirstEntry;
     KeAcquireSpinLock(Lock, &OldIrql);
-    if (!ListHead->Next) OldHead = PopEntryList(ListHead);
+    FirstEntry = PopEntryList(ListHead);
     KeReleaseSpinLock(Lock, OldIrql);
-    return OldHead;
+    return FirstEntry;
 }
 
 PSINGLE_LIST_ENTRY
@@ -94,7 +94,8 @@
     KIRQL OldIrql;
     PSINGLE_LIST_ENTRY OldHead = NULL;
     KeAcquireSpinLock(Lock, &OldIrql);
-    if (!ListHead->Next) OldHead = PushEntryList(ListHead, ListEntry);
+    OldHead = ListHead->Next;
+    PushEntryList(ListHead, ListEntry);
     KeReleaseSpinLock(Lock, OldIrql);
     return OldHead;
 }

Modified: branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h?rev=46403&r1=46402&r2=46403&view=diff
==============================================================================
--- branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/ntoskrnl/include/internal/amd64/mm.h [iso-8859-1] Wed Mar 24 21:26:54 2010
@@ -2,8 +2,7 @@
  * Lowlevel memory managment definitions
  */
 
-#ifndef __NTOSKRNL_INCLUDE_INTERNAL_AMD64_MM_H
-#define __NTOSKRNL_INCLUDE_INTERNAL_AMD64_MM_H
+#pragma once
 
 /* Helper macros */
 #define PAGE_MASK(x)		((x)&(~0xfff))
@@ -22,8 +21,25 @@
 #define MI_NONPAGED_POOL_END            (PVOID)0xFFFFFAE000000000ULL
 #define MI_DEBUG_MAPPING                (PVOID)0xFFFFFFFF80000000ULL // FIXME
 #define MI_HIGHEST_SYSTEM_ADDRESS       (PVOID)0xFFFFFFFFFFFFFFFFULL
+#define MI_SYSTEM_CACHE_WS_START        (PVOID)0xFFFFF78000001000ULL // CHECKME
 
-
+/* Memory sizes */
+#define MI_MIN_PAGES_FOR_NONPAGED_POOL_TUNING ((255*1024*1024) >> PAGE_SHIFT)
+#define MI_MIN_PAGES_FOR_SYSPTE_TUNING         ((19*1024*1024) >> PAGE_SHIFT)
+#define MI_MIN_PAGES_FOR_SYSPTE_BOOST          ((32*1024*1024) >> PAGE_SHIFT)
+#define MI_MAX_INIT_NONPAGED_POOL_SIZE         (128ULL * 1024 * 1024 * 1024)
+#define MI_MAX_NONPAGED_POOL_SIZE              (128ULL * 1024 * 1024 * 1024)
+#define MI_MAX_FREE_PAGE_LISTS                 4
+#define MI_MIN_INIT_PAGED_POOLSIZE             (32 * 1024 * 1024)
+#define MI_SESSION_VIEW_SIZE                   (20 * 1024 * 1024)
+#define MI_SESSION_POOL_SIZE                   (16 * 1024 * 1024)
+#define MI_SESSION_IMAGE_SIZE                  (8 * 1024 * 1024)
+#define MI_SESSION_WORKING_SET_SIZE            (4 * 1024 * 1024)
+#define MI_SESSION_SIZE                        (MI_SESSION_VIEW_SIZE + \
+                                                MI_SESSION_POOL_SIZE + \
+                                                MI_SESSION_IMAGE_SIZE + \
+                                                MI_SESSION_WORKING_SET_SIZE)
+#define MI_SYSTEM_VIEW_SIZE                    (16 * 1024 * 1024)
 #define MI_NUMBER_SYSTEM_PTES 22000
 
 PULONG64
@@ -53,21 +69,23 @@
 
 PMMPTE
 FORCEINLINE
-MiAddressToPde(PVOID Address)
+_MiAddressToPde(PVOID Address)
 {
     ULONG64 Offset = (ULONG64)Address >> (PDI_SHIFT - 3);
     Offset &= 0x7FFFFFF << 3;
     return (PMMPTE)(PDE_BASE + Offset);
 }
+#define MiAddressToPde(x) _MiAddressToPde((PVOID)(x))
 
 PMMPTE
 FORCEINLINE
-MiAddressToPte(PVOID Address)
+_MiAddressToPte(PVOID Address)
 {
     ULONG64 Offset = (ULONG64)Address >> (PTI_SHIFT - 3);
     Offset &= 0xFFFFFFFFFULL << 3;
     return (PMMPTE)(PTE_BASE + Offset);
 }
+#define MiAddressToPte(x) _MiAddressToPte((PVOID)(x))
 
 /* Convert a PTE into a corresponding address */
 PVOID
@@ -90,9 +108,9 @@
             (MiAddressToPde(Address)->u.Hard.Valid));
 }
 
-//#define ADDR_TO_PAGE_TABLE(v) (((ULONG)(v)) / (1024 * PAGE_SIZE))
-//#define ADDR_TO_PDE_OFFSET(v) ((((ULONG)(v)) / (1024 * PAGE_SIZE)))
-//#define ADDR_TO_PTE_OFFSET(v)  ((((ULONG)(v)) % (1024 * PAGE_SIZE)) / PAGE_SIZE)
+#define ADDR_TO_PAGE_TABLE(v) (((ULONG_PTR)(v)) / (512 * PAGE_SIZE))
+#define ADDR_TO_PDE_OFFSET(v) ((((ULONG_PTR)(v)) / (512 * PAGE_SIZE)))
+#define ADDR_TO_PTE_OFFSET(v)  ((((ULONG_PTR)(v)) % (512 * PAGE_SIZE)) / PAGE_SIZE)
 
 #define VAtoPXI(va) ((((ULONG64)va) >> PXI_SHIFT) & 0x1FF)
 #define VAtoPPI(va) ((((ULONG64)va) >> PPI_SHIFT) & 0x1FF)
@@ -117,8 +135,6 @@
 #define IS_ALIGNED(addr, align) (((ULONG64)(addr) & (align - 1)) == 0)
 #define IS_PAGE_ALIGNED(addr) IS_ALIGNED(addr, PAGE_SIZE)
 
-/// MIARM.H 
-
 /* Easy accessing PFN in PTE */
 #define PFN_FROM_PTE(v) ((v)->u.Hard.PageFrameNumber)
 
@@ -128,43 +144,47 @@
 #define MI_PAGE_DISABLE_CACHE(x)   ((x)->u.Hard.CacheDisable = 1)
 #define MI_PAGE_WRITE_THROUGH(x)   ((x)->u.Hard.WriteThrough = 1)
 #define MI_PAGE_WRITE_COMBINED(x)  ((x)->u.Hard.WriteThrough = 0)
+#if !defined(CONFIG_SMP)
 #define MI_IS_PAGE_WRITEABLE(x)    ((x)->u.Hard.Write == 1)
+#else
+#define MI_IS_PAGE_WRITEABLE(x)    ((x)->u.Hard.Writable == 1)
+#endif
 #define MI_IS_PAGE_COPY_ON_WRITE(x)((x)->u.Hard.CopyOnWrite == 1)
 #define MI_IS_PAGE_DIRTY(x)        ((x)->u.Hard.Dirty == 1)
 #define MI_MAKE_OWNER_PAGE(x)      ((x)->u.Hard.Owner = 1)
+#if !defined(CONFIG_SMP)
 #define MI_MAKE_WRITE_PAGE(x)      ((x)->u.Hard.Write = 1)
+#else
+#define MI_MAKE_WRITE_PAGE(x)      ((x)->u.Hard.Writable = 1)
+#endif
 
+#if 0  // FIXME
+#define PAGE_TO_SECTION_PAGE_DIRECTORY_OFFSET(x) \
+    ((x) / (4*1024*1024))
 
-#define MI_MIN_PAGES_FOR_NONPAGED_POOL_TUNING ((255*1024*1024) >> PAGE_SHIFT)
-#define MI_MIN_PAGES_FOR_SYSPTE_TUNING         ((19*1024*1024) >> PAGE_SHIFT)
-#define MI_MIN_PAGES_FOR_SYSPTE_BOOST          ((32*1024*1024) >> PAGE_SHIFT)
-#define MI_MAX_INIT_NONPAGED_POOL_SIZE         (128ULL * 1024 * 1024 * 1024)
-#define MI_MAX_NONPAGED_POOL_SIZE              (128ULL * 1024 * 1024 * 1024)
-#define MI_MAX_FREE_PAGE_LISTS                 4
+#define PAGE_TO_SECTION_PAGE_TABLE_OFFSET(x) \
+    ((((x)) % (4*1024*1024)) / (4*1024))
+#endif
 
-#define MI_MIN_INIT_PAGED_POOLSIZE             (32 * 1024 * 1024)
+#define NR_SECTION_PAGE_TABLES              1024
+#define NR_SECTION_PAGE_ENTRIES             1024
 
-#define MI_SESSION_VIEW_SIZE                   (20 * 1024 * 1024)
-#define MI_SESSION_POOL_SIZE                   (16 * 1024 * 1024)
-#define MI_SESSION_IMAGE_SIZE                  (8 * 1024 * 1024)
-#define MI_SESSION_WORKING_SET_SIZE            (4 * 1024 * 1024)
-#define MI_SESSION_SIZE                        (MI_SESSION_VIEW_SIZE + \
-                                                MI_SESSION_POOL_SIZE + \
-                                                MI_SESSION_IMAGE_SIZE + \
-                                                MI_SESSION_WORKING_SET_SIZE)
+//#define TEB_BASE                            0x7FFDE000
 
-#define MI_SYSTEM_VIEW_SIZE                    (16 * 1024 * 1024)
+#define MI_HYPERSPACE_PTES                  (256 - 1)
+#define MI_ZERO_PTES                        (32)
+#define MI_MAPPING_RANGE_START              (ULONG)HYPER_SPACE
+#define MI_MAPPING_RANGE_END                (MI_MAPPING_RANGE_START + \
+                                             MI_HYPERSPACE_PTES * PAGE_SIZE)
+#define MI_ZERO_PTE                         (PMMPTE)(MI_MAPPING_RANGE_END + \
+                                             PAGE_SIZE)
 
- 
-#define MM_HIGHEST_VAD_ADDRESS \
-    (PVOID)((ULONG_PTR)MM_HIGHEST_USER_ADDRESS - (16 * PAGE_SIZE))
+/* On x86, these two are the same */
+#define MMPDE MMPTE
+#define PMMPDE PMMPTE
 
+/*
+* FIXME - different architectures have different cache line sizes...
+*/
+#define MM_CACHE_LINE_SIZE                  32
 
-//
-// FIXFIX: These should go in ex.h after the pool merge
-//
-#define POOL_LISTS_PER_PAGE (PAGE_SIZE / sizeof(LIST_ENTRY))
-#define BASE_POOL_TYPE_MASK 1
-#define POOL_MAX_ALLOC (PAGE_SIZE - (sizeof(POOL_HEADER) + sizeof(LIST_ENTRY)))
-
-#endif /* __NTOSKRNL_INCLUDE_INTERNAL_AMD64_MM_H */

Modified: branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/init.c
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/init.c?rev=46403&r1=46402&r2=46403&view=diff
==============================================================================
--- branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/init.c [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/init.c [iso-8859-1] Wed Mar 24 21:26:54 2010
@@ -27,21 +27,21 @@
 /* GLOBALS *****************************************************************/
 
 /* Sizes */
-ULONG64 MmBootImageSize;
-ULONG64 MmMinimumNonPagedPoolSize = 256 * 1024;
-ULONG64 MmSizeOfNonPagedPoolInBytes;
-ULONG64 MmMaximumNonPagedPoolInBytes;
-ULONG64 MmMaximumNonPagedPoolPercent;
-ULONG64 MmMinAdditionNonPagedPoolPerMb = 32 * 1024;
-ULONG64 MmMaxAdditionNonPagedPoolPerMb = 400 * 1024;
-ULONG64 MmDefaultMaximumNonPagedPool = 1024 * 1024; 
-ULONG64 MmSessionSize = MI_SESSION_SIZE;
-ULONG64 MmSessionViewSize = MI_SESSION_VIEW_SIZE;
-ULONG64 MmSessionPoolSize = MI_SESSION_POOL_SIZE;
-ULONG64 MmSessionImageSize = MI_SESSION_IMAGE_SIZE;
-ULONG64 MmSystemViewSize = MI_SYSTEM_VIEW_SIZE;
-ULONG64 MmSizeOfPagedPoolInBytes = MI_MIN_INIT_PAGED_POOLSIZE;
-ULONG64 MiNonPagedSystemSize;
+//SIZE_T MmBootImageSize;
+//SIZE_T MmMinimumNonPagedPoolSize = 256 * 1024;
+//SIZE_T MmSizeOfNonPagedPoolInBytes;
+//SIZE_T MmMaximumNonPagedPoolInBytes;
+//ULONG MmMaximumNonPagedPoolPercent;
+//ULONG MmMinAdditionNonPagedPoolPerMb = 32 * 1024;
+//ULONG MmMaxAdditionNonPagedPoolPerMb = 400 * 1024;
+//SIZE_T MmDefaultMaximumNonPagedPool = 1024 * 1024; 
+//SIZE_T MmSessionSize = MI_SESSION_SIZE;
+SIZE_T MmSessionViewSize = MI_SESSION_VIEW_SIZE;
+SIZE_T MmSessionPoolSize = MI_SESSION_POOL_SIZE;
+SIZE_T MmSessionImageSize = MI_SESSION_IMAGE_SIZE;
+SIZE_T MmSystemViewSize = MI_SYSTEM_VIEW_SIZE;
+//SIZE_T MmSizeOfPagedPoolInBytes = MI_MIN_INIT_PAGED_POOLSIZE;
+SIZE_T MiNonPagedSystemSize;
 
 /* Address ranges */
 ULONG64 MmUserProbeAddress = 0x7FFFFFF0000ULL;
@@ -57,24 +57,24 @@
 PVOID MiSessionSpaceEnd = MI_SESSION_SPACE_END; // FFFFF98000000000
 PVOID MmSystemCacheStart;                       // FFFFF98000000000
 PVOID MmSystemCacheEnd;                         // FFFFFA8000000000
-PVOID MmPagedPoolStart = MI_PAGED_POOL_START;   // FFFFFA8000000000
+/// PVOID MmPagedPoolStart = MI_PAGED_POOL_START;   // FFFFFA8000000000
 PVOID MmPagedPoolEnd;                           // FFFFFAA000000000
 PVOID MiSystemViewStart;
 PVOID MmNonPagedSystemStart;                    // FFFFFAA000000000
 PVOID MmNonPagedPoolStart;
 PVOID MmNonPagedPoolExpansionStart;
-PVOID MmNonPagedPoolEnd = MI_NONPAGED_POOL_END; // 0xFFFFFAE000000000
+///PVOID MmNonPagedPoolEnd = MI_NONPAGED_POOL_END; // 0xFFFFFAE000000000
 PVOID MmHyperSpaceEnd = (PVOID)HYPER_SPACE_END;
 
-PPHYSICAL_MEMORY_DESCRIPTOR MmPhysicalMemoryBlock;
-ULONG MmNumberOfPhysicalPages, MmHighestPhysicalPage, MmLowestPhysicalPage = -1; // FIXME: ULONG64
-
-ULONG MmNumberOfSystemPtes;
-PMMPTE MmSystemPagePtes;
+//PPHYSICAL_MEMORY_DESCRIPTOR MmPhysicalMemoryBlock;
+//ULONG MmNumberOfPhysicalPages, MmHighestPhysicalPage, MmLowestPhysicalPage = -1; // FIXME: ULONG64
+
+//ULONG MmNumberOfSystemPtes;
+//PMMPTE MmSystemPagePtes;
 MMSUPPORT MmSystemCacheWs;
 
-RTL_BITMAP MiPfnBitMap;
-ULONG64 MxPfnAllocation;
+//RTL_BITMAP MiPfnBitMap;
+//ULONG64 MxPfnAllocation;
 ULONG64 MxPfnSizeInBytes;
 
 PMEMORY_ALLOCATION_DESCRIPTOR MxFreeDescriptor;
@@ -86,8 +86,8 @@
 PFN_NUMBER MxFreePageBase;
 ULONG64 MxFreePageCount = 0;
 
-PFN_NUMBER MmSystemPageDirectory;
-PFN_NUMBER MmSizeOfPagedPoolInPages = MI_MIN_INIT_PAGED_POOLSIZE / PAGE_SIZE;
+extern PFN_NUMBER MmSystemPageDirectory;
+//PFN_NUMBER MmSizeOfPagedPoolInPages = MI_MIN_INIT_PAGED_POOLSIZE / PAGE_SIZE;
 
 BOOLEAN MiPfnsInitialized = FALSE;
 
@@ -187,7 +187,7 @@
 
     if (MiPfnsInitialized)
     {
-        return MmAllocPage(MC_SYSTEM, 0);
+        return MmAllocPage(MC_SYSTEM);
     }
 
     /* Make sure we have enough pages */
@@ -308,7 +308,7 @@
     MxPfnAllocation = MxPfnSizeInBytes >> PAGE_SHIFT;
 
     /* Simply start at hardcoded address */
-    MmPfnDatabase = MI_PFN_DATABASE;
+    MmPfnDatabase[1] = MI_PFN_DATABASE;
 
     /* Loop the memory descriptors */
     for (ListEntry = LoaderBlock->MemoryDescriptorListHead.Flink;
@@ -552,7 +552,7 @@
     }
 
     /* Initialize the ARM3 nonpaged pool */
-    MiInitializeArmPool();
+    MiInitializeNonPagedPool();
 
     /* Initialize the nonpaged pool */
     InitializePool(NonPagedPool, 0);
@@ -693,7 +693,7 @@
 
 VOID
 NTAPI
-MiBuildPagedPool(VOID)
+MiBuildPagedPool_x(VOID)
 {
     PMMPTE Pte;
     MMPTE TmplPte;
@@ -737,7 +737,7 @@
     if (!Pte->u.Flush.Valid)
     {
         /* Map it! */
-        TmplPte.u.Flush.PageFrameNumber = MmAllocPage(MC_SYSTEM, 0);
+        TmplPte.u.Flush.PageFrameNumber = MmAllocPage(MC_SYSTEM);
         *Pte = TmplPte;
     }
 
@@ -817,7 +817,7 @@
 
 NTSTATUS
 NTAPI
-MmArmInitSystem(IN ULONG Phase,
+MmArmInitSystem_x(IN ULONG Phase,
                 IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 {
     if (Phase == 0)
@@ -829,7 +829,7 @@
         MiEvaluateMemoryDescriptors(LoaderBlock);
 
         /* Start PFN database at hardcoded address */
-        MmPfnDatabase = MI_PFN_DATABASE;
+        MmPfnDatabase[1] = MI_PFN_DATABASE;
 
         /* Prepare PFN database mappings */
         MiPreparePfnDatabse(LoaderBlock);

Modified: branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/page.c
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/page.c?rev=46403&r1=46402&r2=46403&view=diff
==============================================================================
--- branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/page.c [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/ntoskrnl/mm/amd64/page.c [iso-8859-1] Wed Mar 24 21:26:54 2010
@@ -15,7 +15,7 @@
 
 #undef InterlockedExchangePte
 #define InterlockedExchangePte(pte1, pte2) \
-    InterlockedExchange64(&pte1->u.Long, pte2.u.Long)
+    InterlockedExchange64((LONG64*)&pte1->u.Long, pte2.u.Long)
 
 #define PAGE_EXECUTE_ANY (PAGE_EXECUTE|PAGE_EXECUTE_READ|PAGE_EXECUTE_READWRITE|PAGE_EXECUTE_WRITECOPY)
 #define PAGE_WRITE_ANY (PAGE_EXECUTE_READWRITE|PAGE_READWRITE|PAGE_EXECUTE_WRITECOPY|PAGE_WRITECOPY)
@@ -251,7 +251,6 @@
 MmGetPageProtect(PEPROCESS Process, PVOID Address)
 {
     MMPTE Pte;
-    ULONG Protect;
 
     Pte.u.Long = MiGetPteValueForProcess(Process, Address);
 
@@ -362,7 +361,7 @@
     if (Pte)
     {
         /* Atomically set the entry to zero and get the old value. */
-        OldPte.u.Long = InterlockedExchange64(&Pte->u.Long, 0);
+        OldPte.u.Long = InterlockedExchange64((LONG64*)&Pte->u.Long, 0);
 
         if (OldPte.u.Hard.Valid)
         {

Modified: branches/ros-amd64-bringup/reactos/ntoskrnl/mm/freelist.c
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/ntoskrnl/mm/freelist.c?rev=46403&r1=46402&r2=46403&view=diff
==============================================================================
--- branches/ros-amd64-bringup/reactos/ntoskrnl/mm/freelist.c [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/ntoskrnl/mm/freelist.c [iso-8859-1] Wed Mar 24 21:26:54 2010
@@ -27,14 +27,9 @@
 //
 // ReactOS to NT Physical Page Descriptor Entry Legacy Mapping Definitions
 //
-//        REACTOS                 NT
-//
-#define RmapListHead         AweReferenceCount
-#define PHYSICAL_PAGE        MMPFN
-#define PPHYSICAL_PAGE       PMMPFN
-
-/* The first array contains ReactOS PFNs, the second contains ARM3 PFNs */
-PPHYSICAL_PAGE MmPfnDatabase[2];
+typedef union
+{
+    MMPFN;// Pfn;
 
     struct
     {
@@ -61,18 +56,22 @@
 
 C_ASSERT(sizeof(PHYSICAL_PAGE) == sizeof(MMPFN));
 
-#define MiGetPfnEntry(Pfn) ((PPHYSICAL_PAGE)MiGetPfnEntry(Pfn))
+//#define MiGetPfnEntry(Pfn) ((PPHYSICAL_PAGE)MiGetPfnEntry(Pfn))
 #define MiGetPfnEntryIndex(x) MiGetPfnEntryIndex((struct _MMPFN*)x)
 #define LockCount            Flags.LockCount
 
-PMMPFN MmPfnDatabase;
-#define MmPfnDatabase ((PPHYSICAL_PAGE)MmPfnDatabase)
-
-#define MMPFN PHYSICAL_PAGE
-#define PMMPFN PPHYSICAL_PAGE
-
-ULONG MmAvailablePages;
-ULONG MmResidentAvailablePages;
+/* The first array contains ReactOS PFNs, the second contains ARM3 PFNs */
+PMMPFN MmPfnDatabase[2];
+#define MmPfnDatabase ((PPHYSICAL_PAGE*)MmPfnDatabase)
+
+//#define MMPFN PHYSICAL_PAGE
+//#define PMMPFN PPHYSICAL_PAGE
+
+/* The first array contains ReactOS PFNs, the second contains ARM3 PFNs */
+//PPHYSICAL_PAGE MmPfnDatabase[2];
+
+PFN_NUMBER MmAvailablePages;
+PFN_NUMBER MmResidentAvailablePages;
 
 SIZE_T MmTotalCommitLimit;
 SIZE_T MmTotalCommittedPages;
@@ -108,7 +107,7 @@
     RtlClearAllBits(&MiUserPfnBitMap);
 }
 
-PFN_TYPE
+PFN_NUMBER
 NTAPI
 MmGetLRUFirstUserPage(VOID)
 {
@@ -371,7 +370,7 @@
     PFN_NUMBER PageCount, LowPage, HighPage, SkipPages, PagesFound = 0, Page;
     PPFN_NUMBER MdlPage, LastMdlPage;
     KIRQL OldIrql;
-    PPHYSICAL_PAGE Pfn1;
+    PMMPFN Pfn1;
     INT LookForZeroedPages;
     ASSERT (KeGetCurrentIrql() <= APC_LEVEL);
     
@@ -608,7 +607,7 @@
 MmDumpPfnDatabase(VOID)
 {
     ULONG i;
-    PPHYSICAL_PAGE Pfn1;
+    PMMPFN Pfn1;
     PCHAR State = "????", Type = "Unknown";
     KIRQL OldIrql;
     ULONG Totals[5] = {0}, FreePages = 0;
@@ -646,7 +645,7 @@
                  State,
                  Type,
                  Pfn1->u3.e2.ReferenceCount,
-                 Pfn1->RmapListHead);
+                 ((PPHYSICAL_PAGE)Pfn1)->RmapListHead);
     }
     
     DbgPrint("Nonpaged Pool:       %d pages\t[%d KB]\n", Totals[MC_NPPOOL], (Totals[MC_NPPOOL] << PAGE_SHIFT) / 1024);
@@ -742,7 +741,7 @@
    KIRQL oldIrql;
     
    oldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
-   MiGetPfnEntry(Pfn)->RmapListHead = (LONG_PTR)ListHead;
+   ((PPHYSICAL_PAGE)MiGetPfnEntry(Pfn))->RmapListHead = (LONG_PTR)ListHead;
    KeReleaseQueuedSpinLock(LockQueuePfnLock, oldIrql);
 }
 
@@ -754,7 +753,7 @@
    struct _MM_RMAP_ENTRY* ListHead;
     
    oldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
-   ListHead = (struct _MM_RMAP_ENTRY*)MiGetPfnEntry(Pfn)->RmapListHead;
+   ListHead = (struct _MM_RMAP_ENTRY*)((PPHYSICAL_PAGE)MiGetPfnEntry(Pfn))->RmapListHead;
    KeReleaseQueuedSpinLock(LockQueuePfnLock, oldIrql);
     
    return(ListHead);
@@ -833,7 +832,7 @@
 
 VOID
 NTAPI
-MiSetConsumer(IN PFN_TYPE Pfn,
+MiSetConsumer(IN PFN_NUMBER Pfn,
               IN ULONG Type)
 {
     MiGetPfnEntry(Pfn)->u3.e1.PageLocation = ActiveAndValid;




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