From 46d2d14cb4d95b20cb61921fa57be9d3ecc03187 Mon Sep 17 00:00:00 2001
From: Alex Ionescu <aionescu@gmail.com>
Date: Sun, 15 Jul 2012 13:09:20 +0000
Subject: [PATCH] [NTOSKRNL]: Kill deprecated code.

svn path=/trunk/; revision=56895
---
 reactos/ntoskrnl/mm/pageop.c | 274 -----------------------------------
 1 file changed, 274 deletions(-)
 delete mode 100644 reactos/ntoskrnl/mm/pageop.c

diff --git a/reactos/ntoskrnl/mm/pageop.c b/reactos/ntoskrnl/mm/pageop.c
deleted file mode 100644
index 6787f1edeea..00000000000
--- a/reactos/ntoskrnl/mm/pageop.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * COPYRIGHT:       See COPYING in the top level directory
- * PROJECT:         ReactOS kernel
- * FILE:            ntoskrnl/mm/pageop.c
- * PURPOSE:         No purpose listed.
- *
- * PROGRAMMERS:     David Welch (welch@cwcom.net)
- */
-
-/* INCLUDES ****************************************************************/
-
-#include <ntoskrnl.h>
-#define NDEBUG
-#include <debug.h>
-
-#if defined (ALLOC_PRAGMA)
-#pragma alloc_text(INIT, MmInitializePageOp)
-#endif
-
-
-/* GLOBALS *******************************************************************/
-
-#define PAGEOP_HASH_TABLE_SIZE       (32)
-
-static KSPIN_LOCK MmPageOpHashTableLock;
-static PMM_PAGEOP MmPageOpHashTable[PAGEOP_HASH_TABLE_SIZE];
-static NPAGED_LOOKASIDE_LIST MmPageOpLookasideList;
-
-/* FUNCTIONS *****************************************************************/
-
-VOID
-NTAPI
-MmReleasePageOp(PMM_PAGEOP PageOp)
-/*
- * FUNCTION: Release a reference to a page operation descriptor
- */
-{
-   KIRQL oldIrql;
-   PMM_PAGEOP PrevPageOp;
-
-   KeAcquireSpinLock(&MmPageOpHashTableLock, &oldIrql);
-   PageOp->ReferenceCount--;
-   if (PageOp->ReferenceCount > 0)
-   {
-      KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-      return;
-   }
-   (void)InterlockedDecrementUL(&PageOp->MArea->PageOpCount);
-   PrevPageOp = MmPageOpHashTable[PageOp->Hash];
-   if (PrevPageOp == PageOp)
-   {
-      MmPageOpHashTable[PageOp->Hash] = PageOp->Next;
-      KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-      ExFreeToNPagedLookasideList(&MmPageOpLookasideList, PageOp);
-      return;
-   }
-   while (PrevPageOp->Next != NULL)
-   {
-      if (PrevPageOp->Next == PageOp)
-      {
-         PrevPageOp->Next = PageOp->Next;
-         KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-         ExFreeToNPagedLookasideList(&MmPageOpLookasideList, PageOp);
-         return;
-      }
-      PrevPageOp = PrevPageOp->Next;
-   }
-   KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-   KeBugCheck(MEMORY_MANAGEMENT);
-}
-
-PMM_PAGEOP
-NTAPI
-MmCheckForPageOp(PMEMORY_AREA MArea, HANDLE Pid, PVOID Address,
-                 PMM_SECTION_SEGMENT Segment, ULONGLONG Offset)
-{
-   ULONG_PTR Hash;
-   KIRQL oldIrql;
-   PMM_PAGEOP PageOp;
-
-   /*
-    * Calcuate the hash value for pageop structure
-    */
-   if (MArea->Type == MEMORY_AREA_SECTION_VIEW)
-   {
-      Hash = (((ULONG_PTR)Segment) | (((ULONG_PTR)Offset) / PAGE_SIZE));
-   }
-   else
-   {
-      Hash = (((ULONG_PTR)Pid) | (((ULONG_PTR)Address) / PAGE_SIZE));
-   }
-   Hash = Hash % PAGEOP_HASH_TABLE_SIZE;
-
-   KeAcquireSpinLock(&MmPageOpHashTableLock, &oldIrql);
-
-   /*
-    * Check for an existing pageop structure
-    */
-   PageOp = MmPageOpHashTable[Hash];
-   while (PageOp != NULL)
-   {
-      if (MArea->Type == MEMORY_AREA_SECTION_VIEW)
-      {
-         if (PageOp->Segment == Segment &&
-               PageOp->Offset == Offset)
-         {
-            break;
-         }
-      }
-      else
-      {
-         if (PageOp->Pid == Pid &&
-               PageOp->Address == Address)
-         {
-            break;
-         }
-      }
-      PageOp = PageOp->Next;
-   }
-
-   /*
-    * If we found an existing pageop then increment the reference count
-    * and return it.
-    */
-   if (PageOp != NULL)
-   {
-      PageOp->ReferenceCount++;
-      KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-      return(PageOp);
-   }
-   KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-   return(NULL);
-}
-
-PMM_PAGEOP
-NTAPI
-MmGetPageOp(PMEMORY_AREA MArea, HANDLE Pid, PVOID Address,
-            PMM_SECTION_SEGMENT Segment, ULONGLONG Offset, ULONG OpType, BOOLEAN First)
-/*
- * FUNCTION: Get a page operation descriptor corresponding to
- * the memory area and either the segment, offset pair or the
- * pid, address pair.
- */
-{
-   ULONG_PTR Hash;
-   KIRQL oldIrql;
-   PMM_PAGEOP PageOp;
-
-   Address = (PVOID)PAGE_ROUND_DOWN(Address);
-   Offset = PAGE_ROUND_DOWN(Offset);
-
-   /* Making a page op during marea destruction is illegal */
-   ASSERT(!MArea->DeleteInProgress);
-
-   /*
-    * Calcuate the hash value for pageop structure
-    */
-   if (MArea->Type == MEMORY_AREA_SECTION_VIEW)
-   {
-      Hash = (((ULONG_PTR)Segment) | (((ULONG_PTR)Offset) / PAGE_SIZE));
-   }
-   else
-   {
-      Hash = (((ULONG_PTR)Pid) | (((ULONG_PTR)Address) / PAGE_SIZE));
-   }
-   Hash = Hash % PAGEOP_HASH_TABLE_SIZE;
-
-   KeAcquireSpinLock(&MmPageOpHashTableLock, &oldIrql);
-
-   /*
-    * Check for an existing pageop structure
-    */
-   PageOp = MmPageOpHashTable[Hash];
-   while (PageOp != NULL)
-   {
-      if (MArea->Type == MEMORY_AREA_SECTION_VIEW)
-      {
-         if (PageOp->Segment == Segment &&
-               PageOp->Offset == Offset)
-         {
-            break;
-         }
-      }
-      else
-      {
-         if (PageOp->Pid == Pid &&
-               PageOp->Address == Address)
-         {
-            break;
-         }
-      }
-      PageOp = PageOp->Next;
-   }
-
-   /*
-    * If we found an existing pageop then increment the reference count
-    * and return it.
-    */
-   if (PageOp != NULL)
-   {
-      if (First)
-      {
-         PageOp = NULL;
-      }
-      else
-      {
-         PageOp->ReferenceCount++;
-      }
-      KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-      return(PageOp);
-   }
-
-   /*
-    * Otherwise add a new pageop.
-    */
-   PageOp = ExAllocateFromNPagedLookasideList(&MmPageOpLookasideList);
-   if (PageOp == NULL)
-   {
-      KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-      KeBugCheck(MEMORY_MANAGEMENT);
-      return(NULL);
-   }
-
-   if (MArea->Type != MEMORY_AREA_SECTION_VIEW)
-   {
-      PageOp->Pid = Pid;
-      PageOp->Address = Address;
-   }
-   else
-   {
-      PageOp->Segment = Segment;
-      PageOp->Offset = Offset;
-   }
-   PageOp->ReferenceCount = 1;
-   PageOp->Next = MmPageOpHashTable[Hash];
-   PageOp->Hash = (ULONG)Hash;
-   PageOp->Thread = PsGetCurrentThread();
-   PageOp->Abandoned = FALSE;
-   PageOp->Status = STATUS_PENDING;
-   PageOp->OpType = OpType;
-   PageOp->MArea = MArea;
-   KeInitializeEvent(&PageOp->CompletionEvent, SynchronizationEvent, FALSE);
-   MmPageOpHashTable[Hash] = PageOp;
-   (void)InterlockedIncrementUL(&MArea->PageOpCount);
-
-   KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-   return(PageOp);
-}
-
-VOID
-INIT_FUNCTION
-NTAPI
-MmInitializePageOp(VOID)
-{
-   memset(MmPageOpHashTable, 0, sizeof(MmPageOpHashTable));
-   KeInitializeSpinLock(&MmPageOpHashTableLock);
-
-   ExInitializeNPagedLookasideList (&MmPageOpLookasideList,
-                                    NULL,
-                                    NULL,
-                                    0,
-                                    sizeof(MM_PAGEOP),
-                                    TAG_MM_PAGEOP,
-                                    50);
-}
-
-
-
-
-
-
-
-
-