Author: ion
Date: Sun Jul 15 13:09:20 2012
New Revision: 56895
URL: http://svn.reactos.org/svn/reactos?rev=56895&view=rev
Log:
[NTOSKRNL]: Kill deprecated code.
Removed:
trunk/reactos/ntoskrnl/mm/pageop.c
Removed: trunk/reactos/ntoskrnl/mm/pageop.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/pageop.c?rev=56894&view=auto
==============================================================================
--- trunk/reactos/ntoskrnl/mm/pageop.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/pageop.c (removed)
@@ -1,274 +1,0 @@
-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: ntoskrnl/mm/pageop.c
- * PURPOSE: No purpose listed.
- *
- * PROGRAMMERS: David Welch ([email protected])
- */
-
-/* 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);
-}
-
-
-
-
-
-
-
-
-
