Used lookasidelists for pageop's.

svn path=/trunk/; revision=3971

diff --git a/reactos/ntoskrnl/include/internal/mm.h b/reactos/ntoskrnl/include/internal/mm.h
index e5c5765..89566a1 100644 (file)
--- a/reactos/ntoskrnl/include/internal/mm.h
+++ b/reactos/ntoskrnl/include/internal/mm.h
@@ -410,7 +410,11 @@ MmReleasePageOp(PMM_PAGEOP PageOp);
 PMM_PAGEOP
 MmGetPageOp(PMEMORY_AREA MArea, ULONG Pid, PVOID Address,
            PMM_SECTION_SEGMENT Segment, ULONG Offset, ULONG OpType);
-
+PMM_PAGEOP
+MmCheckForPageOp(PMEMORY_AREA MArea, ULONG Pid, PVOID Address,
+                PMM_SECTION_SEGMENT Segment, ULONG Offset);
+VOID
+MmInitializePageOp(VOID);
 VOID
 MiDebugDumpNonPagedPool(BOOLEAN NewOnly);
 VOID
@@ -523,9 +527,6 @@ VOID MmSetDirtyPage(PEPROCESS Process, PVOID Address);
 VOID
 MmInitializeMdlImplementation(VOID);
 extern PHYSICAL_ADDRESS MmSharedDataPagePhysicalAddress;
-PMM_PAGEOP
-MmCheckForPageOp(PMEMORY_AREA MArea, ULONG Pid, PVOID Address,
-                PMM_SECTION_SEGMENT Segment, ULONG Offset);
 struct _KTRAP_FRAME;
 NTSTATUS STDCALL 
 MmDumpToPagingFile(ULONG BugCode,

diff --git a/reactos/ntoskrnl/mm/mminit.c b/reactos/ntoskrnl/mm/mminit.c
index 3056c51..3e6fd46 100644 (file)
--- a/reactos/ntoskrnl/mm/mminit.c
+++ b/reactos/ntoskrnl/mm/mminit.c
@@ -1,4 +1,4 @@
-/* $Id: mminit.c,v 1.42 2002/12/16 22:59:44 hbirr Exp $
+/* $Id: mminit.c,v 1.43 2003/01/11 15:26:59 hbirr Exp $
  *
  * COPYRIGHT:   See COPYING in the top directory
  * PROJECT:     ReactOS kernel 
@@ -364,6 +364,7 @@ VOID MmInit3(VOID)
    MmInitPagerThread();
    MmCreatePhysicalMemorySection();
    MmInitializeRmapList();
+   MmInitializePageOp();
 
    /*
     * Initialise the modified page writer.

diff --git a/reactos/ntoskrnl/mm/pageop.c b/reactos/ntoskrnl/mm/pageop.c
index 0aece2c..88ee1ff 100644 (file)
--- a/reactos/ntoskrnl/mm/pageop.c
+++ b/reactos/ntoskrnl/mm/pageop.c
@@ -1,4 +1,4 @@
-/* $Id: pageop.c,v 1.14 2002/10/01 19:27:24 chorns Exp $
+/* $Id: pageop.c,v 1.15 2003/01/11 15:26:59 hbirr Exp $
  *
  * COPYRIGHT:    See COPYING in the top level directory
  * PROJECT:      ReactOS kernel
@@ -22,8 +22,9 @@
 
 #define PAGEOP_HASH_TABLE_SIZE       (32)
 
-KSPIN_LOCK MmPageOpHashTableLock;
-PMM_PAGEOP MmPageOpHashTable[PAGEOP_HASH_TABLE_SIZE] = {NULL, } ;
+static KSPIN_LOCK MmPageOpHashTableLock;
+static PMM_PAGEOP MmPageOpHashTable[PAGEOP_HASH_TABLE_SIZE];
+static NPAGED_LOOKASIDE_LIST MmPageOpLookasideList;
 
 #define TAG_MM_PAGEOP   TAG('M', 'P', 'O', 'P')
 
@@ -51,7 +52,7 @@ MmReleasePageOp(PMM_PAGEOP PageOp)
     {
       MmPageOpHashTable[PageOp->Hash] = PageOp->Next;
       KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-      ExFreePool(PageOp);
+      ExFreeToNPagedLookasideList(&MmPageOpLookasideList, PageOp);
       return;
     }
   while (PrevPageOp->Next != NULL)
@@ -60,7 +61,7 @@ MmReleasePageOp(PMM_PAGEOP PageOp)
        {
          PrevPageOp->Next = PageOp->Next;
          KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
-         ExFreePool(PageOp);
+          ExFreeToNPagedLookasideList(&MmPageOpLookasideList, PageOp);
          return;
        }
       PrevPageOp = PrevPageOp->Next;
@@ -198,8 +199,7 @@ MmGetPageOp(PMEMORY_AREA MArea, ULONG Pid, PVOID Address,
   /*
    * Otherwise add a new pageop.
    */
-  PageOp = ExAllocatePoolWithTag(NonPagedPool, sizeof(MM_PAGEOP), 
-                                TAG_MM_PAGEOP);
+  PageOp = ExAllocateFromNPagedLookasideList(&MmPageOpLookasideList);
   if (PageOp == NULL)
     {
       KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
@@ -232,6 +232,20 @@ MmGetPageOp(PMEMORY_AREA MArea, ULONG Pid, PVOID Address,
   return(PageOp);
 }
 
+VOID
+MmInitializePageOp(VOID)
+{
+  memset(MmPageOpHashTable, 0, sizeof(MmPageOpHashTable));
+  KeInitializeSpinLock(&MmPageOpHashTableLock);
+
+  ExInitializeNPagedLookasideList (&MmPageOpLookasideList,
+                                  NULL,
+                                  NULL,
+                                  0,
+                                  sizeof(MM_PAGEOP),
+                                  TAG_MM_PAGEOP,
+                                  50);
+}