{
PFN_NUMBER PageFrameNumber;
+ MI_SET_USAGE(MI_USAGE_CACHE);
Status = MmRequestPageMemoryConsumer(MC_CACHE, TRUE, &PageFrameNumber);
if (PageFrameNumber == 0)
{
InsertTailList(&VacbLruListHead, ¤t->VacbLruListEntry);
KeReleaseQueuedSpinLock(LockQueueMasterLock, oldIrql);
+ MI_SET_USAGE(MI_USAGE_CACHE);
+#if MI_TRACE_PFNS
+ if ((SharedCacheMap->FileObject) && (SharedCacheMap->FileObject->FileName.Buffer))
+ {
+ PWCHAR pos;
+ ULONG len = 0;
+ pos = wcsrchr(SharedCacheMap->FileObject->FileName.Buffer, '\\');
+ if (pos)
+ {
+ len = wcslen(pos) * sizeof(WCHAR);
+ snprintf(MI_PFN_CURRENT_PROCESS_NAME, min(16, len), "%S", pos);
+ }
+ else
+ {
+ snprintf(MI_PFN_CURRENT_PROCESS_NAME, min(16, len), "%wZ", &SharedCacheMap->FileObject->FileName);
+ }
+ }
+#endif
+
/* Reference it to allow release */
CcRosVacbIncRefCount(current);
#include <internal/arch/mm.h>
-#define MI_TRACE_PFNS 1
-
/* TYPES *********************************************************************/
struct _EPROCESS;
extern ULONG MI_PFN_CURRENT_USAGE;
extern CHAR MI_PFN_CURRENT_PROCESS_NAME[16];
#define MI_SET_USAGE(x) MI_PFN_CURRENT_USAGE = x
-#define MI_SET_PROCESS2(x) memcpy(MI_PFN_CURRENT_PROCESS_NAME, x, min(sizeof(x), sizeof(MI_PFN_CURRENT_PROCESS_NAME)))
-FORCEINLINE
-void
-MI_SET_PROCESS(PEPROCESS Process)
-{
- if (!Process)
- MI_SET_PROCESS2("Kernel");
- else if (Process == (PEPROCESS)1)
- MI_SET_PROCESS2("Hydra");
- else
- MI_SET_PROCESS2(Process->ImageFileName);
-}
-
-FORCEINLINE
-void
-MI_SET_PROCESS_USTR(PUNICODE_STRING ustr)
-{
- PWSTR pos, strEnd;
- int i;
-
- if (!ustr->Buffer || ustr->Length == 0)
- {
- MI_PFN_CURRENT_PROCESS_NAME[0] = 0;
- return;
- }
-
- pos = strEnd = &ustr->Buffer[ustr->Length / sizeof(WCHAR)];
- while ((*pos != L'\\') && (pos > ustr->Buffer))
- pos--;
-
- if (*pos == L'\\')
- pos++;
-
- for (i = 0; i < sizeof(MI_PFN_CURRENT_PROCESS_NAME) && pos <= strEnd; i++, pos++)
- MI_PFN_CURRENT_PROCESS_NAME[i] = (CHAR)*pos;
-}
+#define MI_SET_PROCESS2(x) memcpy(MI_PFN_CURRENT_PROCESS_NAME, x, 16)
#else
#define MI_SET_USAGE(x)
-#define MI_SET_PROCESS(x)
#define MI_SET_PROCESS2(x)
#endif
MI_USAGE_PFN_DATABASE,
MI_USAGE_BOOT_DRIVER,
MI_USAGE_INIT_MEMORY,
- MI_USAGE_PAGE_FILE,
- MI_USAGE_COW,
- MI_USAGE_WSLE,
MI_USAGE_FREE_PAGE
} MI_PFN_USAGES;
#if MI_TRACE_PFNS
MI_PFN_USAGES PfnUsage;
CHAR ProcessName[16];
-#define MI_SET_PFN_PROCESS_NAME(pfn, x) memcpy(pfn->ProcessName, x, min(sizeof(x), sizeof(pfn->ProcessName)))
#endif
// HACK until WS lists are supported
NTAPI
MiInsertInWorkingSetList(_Inout_ PMMSUPPORT Vm, _In_ PVOID Address, _In_ ULONG Protection);
-VOID
-NTAPI
-MiRemoveFromWorkingSetList(_Inout_ PMMSUPPORT Vm, _In_ PVOID Address);
-
//
// New ARM3<->RosMM PAGE Architecture
//
Pfn1->u3.e1.CacheAttribute = MiNonCached;
#if MI_TRACE_PFNS
Pfn1->PfnUsage = MI_USAGE_INIT_MEMORY;
- MI_SET_PFN_PROCESS_NAME(Pfn1, "Initial PDE");
+ memcpy(Pfn1->ProcessName, "Initial PDE", 16);
#endif
}
else
Pfn2->u3.e1.CacheAttribute = MiNonCached;
#if MI_TRACE_PFNS
Pfn2->PfnUsage = MI_USAGE_INIT_MEMORY;
- MI_SET_PFN_PROCESS_NAME(Pfn2, "Initial PTE");
+ memcpy(Pfn1->ProcessName, "Initial PTE", 16);
#endif
}
}
/* Increment demand zero faults */
KeGetCurrentPrcb()->MmDemandZeroCount++;
+ /* Do we have the lock? */
+ if (HaveLock)
+ {
+ /* Release it */
+ MiReleasePfnLock(OldIrql);
+
+ /* Update performance counters */
+ if (Process > HYDRA_PROCESS) Process->NumberOfPrivatePages++;
+ }
+
/* Zero the page if need be */
if (NeedZero) MiZeroPfn(PageFrameNumber);
ASSERT(Pfn1->u3.e1.PrototypePte == 0);
}
- /* Add the page to our working set, if it's not a proto PTE */
- if ((Process > HYDRA_PROCESS) && (PointerPte == MiAddressToPte(Address)))
- {
- /* FIXME: Also support session VM scenario */
- MiInsertInWorkingSetList(&Process->Vm, Address, Protection);
- }
-
- /* Do we have the lock? */
- if (HaveLock)
- {
- /* Release it */
- MiReleasePfnLock(OldIrql);
-
- /* Update performance counters */
- if (Process > HYDRA_PROCESS) Process->NumberOfPrivatePages++;
- }
-
//
// It's all good now
//
ASSERT(CurrentProcess > HYDRA_PROCESS);
ASSERT(*OldIrql != MM_NOIRQL);
- MI_SET_USAGE(MI_USAGE_PAGE_FILE);
- MI_SET_PROCESS(CurrentProcess);
-
/* We must hold the PFN lock */
MI_ASSERT_PFN_LOCK_HELD();
KeSetEvent(Pfn1->u1.Event, IO_NO_INCREMENT, FALSE);
}
- /* And we can insert this into the working set */
- MiInsertInWorkingSetList(&CurrentProcess->Vm, FaultingAddress, Protection);
-
return Status;
}
PMMPFN Pfn1;
MMPTE TempPte;
PMMPTE PointerToPteForProtoPage;
- ULONG Protection;
-
DPRINT("Transition fault on 0x%p with PTE 0x%p in process %s\n",
FaultingAddress, PointerPte, CurrentProcess->ImageFileName);
ASSERT(PointerPte->u.Hard.Valid == 0);
ASSERT(PointerPte->u.Trans.Prototype == 0);
ASSERT(PointerPte->u.Trans.Transition == 1);
- Protection = TempPte.u.Trans.Protection;
TempPte.u.Long = (PointerPte->u.Long & ~0xFFF) |
- (MmProtectToPteMask[Protection]) |
+ (MmProtectToPteMask[PointerPte->u.Trans.Protection]) |
MiDetermineUserGlobalPteMask(PointerPte);
/* Is the PTE writeable? */
/* Write the valid PTE */
MI_WRITE_VALID_PTE(PointerPte, TempPte);
- /* If this was a user fault, add it to the working set */
- if (CurrentProcess > HYDRA_PROCESS)
- MiInsertInWorkingSetList(&CurrentProcess->Vm, FaultingAddress, Protection);
-
/* Return success */
return STATUS_PAGE_FAULT_TRANSITION;
}
ASSERT(TempPte.u.Hard.Valid == 1);
ProtoPageFrameIndex = PFN_FROM_PTE(&TempPte);
- MI_SET_USAGE(MI_USAGE_COW);
- MI_SET_PROCESS(Process);
-
/* Get a new page for the private copy */
if (Process > HYDRA_PROCESS)
Color = MI_GET_NEXT_PROCESS_COLOR(Process);
/* And finally, write the valid PTE */
MI_WRITE_VALID_PTE(PointerPte, PteContents);
- /* Add the page to our working set */
- if (Process > HYDRA_PROCESS)
- {
- /* FIXME: Also support session VM scenario */
- MiInsertInWorkingSetList(&Process->Vm, Address, Protection);
- }
-
/* The caller expects us to release the PFN lock */
MiReleasePfnLock(OldIrql);
return Status;
{
PFN_NUMBER PageFrameIndex, OldPageFrameIndex;
PMMPFN Pfn1;
- ProtectionCode = TempPte.u.Soft.Protection;
LockIrql = MiAcquirePfnLock();
ASSERT(MmAvailablePages > 0);
- MI_SET_USAGE(MI_USAGE_COW);
- MI_SET_PROCESS(CurrentProcess);
-
/* Allocate a new page and copy it */
PageFrameIndex = MiRemoveAnyPage(MI_GET_NEXT_PROCESS_COLOR(CurrentProcess));
OldPageFrameIndex = PFN_FROM_PTE(&TempPte);
MI_WRITE_VALID_PTE(PointerPte, TempPte);
- /* We can now add it to our working set */
- MiInsertInWorkingSetList(&CurrentProcess->Vm, Address, ProtectionCode);
-
MiReleasePfnLock(LockIrql);
/* Return the status */
TempPte.u.Soft.Protection = ProtectionCode;
MI_WRITE_INVALID_PTE(PointerPte, TempPte);
}
- ProtectionCode = PointerPte->u.Soft.Protection;
/* Lock the PFN database since we're going to grab a page */
OldIrql = MiAcquirePfnLock();
/* One more demand-zero fault */
KeGetCurrentPrcb()->MmDemandZeroCount++;
+ /* And we're done with the lock */
+ MiReleasePfnLock(OldIrql);
+
/* Fault on user PDE, or fault on user PTE? */
if (PointerPte <= MiHighestUserPte)
{
Pfn1 = MI_PFN_ELEMENT(PageFrameIndex);
ASSERT(Pfn1->u1.Event == NULL);
- /* We can now insert it into the working set */
- MiInsertInWorkingSetList(&CurrentProcess->Vm, Address, ProtectionCode);
-
- /* And we're done with the lock */
- MiReleasePfnLock(OldIrql);
-
/* Demand zero */
ASSERT(KeGetCurrentIrql() <= APC_LEVEL);
MiUnlockProcessWorkingSet(CurrentProcess, CurrentThread);
ASSERT(MI_PFN_CURRENT_USAGE != MI_USAGE_NOT_SET);
Entry->PfnUsage = MI_PFN_CURRENT_USAGE;
memcpy(Entry->ProcessName, MI_PFN_CURRENT_PROCESS_NAME, 16);
- MI_PFN_CURRENT_USAGE = MI_USAGE_NOT_SET;
- MI_SET_PROCESS2("Not Set");
+// MI_PFN_CURRENT_USAGE = MI_USAGE_NOT_SET;
+// memcpy(MI_PFN_CURRENT_PROCESS_NAME, "Not Set", 16);
#endif
}
MiDecrementAvailablePages();
#if MI_TRACE_PFNS
- ASSERT(MI_PFN_CURRENT_USAGE != MI_USAGE_NOT_SET);
+ //ASSERT(MI_PFN_CURRENT_USAGE != MI_USAGE_NOT_SET);
Pfn1->PfnUsage = MI_PFN_CURRENT_USAGE;
memcpy(Pfn1->ProcessName, MI_PFN_CURRENT_PROCESS_NAME, 16);
- MI_PFN_CURRENT_USAGE = MI_USAGE_NOT_SET;
- MI_SET_PROCESS2("Not Set");
+ //MI_PFN_CURRENT_USAGE = MI_USAGE_NOT_SET;
+ //memcpy(MI_PFN_CURRENT_PROCESS_NAME, "Not Set", 16);
#endif
/* Return the page */
ColorHead->Count++;
#if MI_TRACE_PFNS
- ASSERT(MI_PFN_CURRENT_USAGE == MI_USAGE_NOT_SET);
+ //ASSERT(MI_PFN_CURRENT_USAGE == MI_USAGE_NOT_SET);
Pfn1->PfnUsage = MI_USAGE_FREE_PAGE;
+ MI_PFN_CURRENT_USAGE = MI_USAGE_NOT_SET;
RtlZeroMemory(Pfn1->ProcessName, 16);
#endif
}
* PROGRAMMERS: ReactOS Portable Systems Group
*/
-#define GROW_WSLE 1
-
/* INCLUDES *******************************************************************/
#include <ntoskrnl.h>
if (WsList->LastEntry == WsList->LastInitializedWsle)
{
/* We must grow our array. Allocate a new page */
- PVOID Address = &WsList->Wsle[WsList->LastInitializedWsle + 1];
- PMMPTE PointerPte = MiAddressToPte(Address);
+ PMMPTE PointerPte = MiAddressToPte(&WsList->Wsle[WsList->LastInitializedWsle + 1]);
MMPTE TempPte;
-
- MI_SET_USAGE(MI_USAGE_WSLE);
- MI_SET_PROCESS(PsGetCurrentProcess());
-
- /* We must be at page boundary */
- ASSERT(Address == ALIGN_DOWN_POINTER_BY(Address, PAGE_SIZE));
-
PFN_NUMBER PageFrameIndex = MiRemoveAnyPage(MI_GET_NEXT_COLOR());
MiInitializePfn(PageFrameIndex, PointerPte, TRUE);
-
- TempPte = ValidKernelPteLocal;
- TempPte.u.Hard.PageFrameNumber = PageFrameIndex;
+ MI_MAKE_HARDWARE_PTE_KERNEL(&TempPte, PointerPte, MM_READWRITE, PageFrameIndex);
MI_WRITE_VALID_PTE(PointerPte, TempPte);
WsList->LastInitializedWsle += PAGE_SIZE / sizeof(MMWSLE);
- /* Make sure we are staying on the same page */
- ASSERT(Address == ALIGN_DOWN_POINTER_BY(&WsList->Wsle[WsList->LastInitializedWsle], PAGE_SIZE));
-
/* We must insert this page in our working set ! */
MiInsertInWorkingSetList(Vm, &WsList->Wsle[WsList->LastInitializedWsle], MM_READWRITE);
-
- /* Now the last entry is the tail of our WSLE array */
- ASSERT(WsList->Wsle[WsList->LastEntry].u1.e1.VirtualPageNumber == ((ULONG_PTR)&WsList->Wsle[WsList->LastInitializedWsle]) >> PAGE_SHIFT);
}
/* At this point we must be good to go */
VOID
NTAPI
-MiInsertInWorkingSetList(
- _Inout_ PMMSUPPORT Vm,
- _In_ PVOID Address,
- _In_ ULONG Protection)
+MiInsertInWorkingSetList(_Inout_ PMMSUPPORT Vm, _In_ PVOID Address, _In_ ULONG Protection)
{
ULONG WsIndex = MiGetFirstFreeWsleIndex(Vm);
PMMWSLE WsleEntry = &Vm->VmWorkingSetList->Wsle[WsIndex];
PMMPTE PointerPte = MiAddressToPte(Address);
- PMMPFN Pfn1;
+ PMMPFN Pfn1 = MiGetPfnEntry(PFN_FROM_PTE(PointerPte));
/* Make sure we got a rounded address */
Address = ALIGN_DOWN_POINTER_BY(Address, PAGE_SIZE);
- /* Make sure we are locking the right things */
+ /* Make sure we are locking the right thing */
ASSERT(MM_ANY_WS_LOCK_HELD(PsGetCurrentThread()));
- MI_ASSERT_PFN_LOCK_HELD();
-
- /* Make sure we are adding a paged-in address */
- ASSERT(PointerPte->u.Hard.Valid == 1);
- Pfn1 = MiGetPfnEntry(PFN_FROM_PTE(PointerPte));
/* The Pfn must be an active one */
ASSERT(Pfn1->u3.e1.PageLocation == ActiveAndValid);
/* Shared pages not supported yet */
ASSERT(Pfn1->u1.WsIndex == 0);
- ASSERT(Pfn1->u3.e1.PrototypePte == 0);
-
- /* Nor are "ROS PFN" */
- ASSERT(MI_IS_ROS_PFN(Pfn1) == FALSE);
-
WsleEntry->u1.e1.Direct = 1;
Pfn1->u1.WsIndex = WsIndex;
Vm->PeakWorkingSetSize = Vm->WorkingSetSize;
}
-static
-void
-MiShrinkWorkingSet(_Inout_ PMMSUPPORT Vm)
-{
- PMMWSL WsList = Vm->VmWorkingSetList;
- ULONG LastValid = WsList->LastEntry;
-
- while(WsList->Wsle[LastValid].u1.e1.Valid == 0)
- {
- LastValid--;
- }
-
- if (LastValid != WsList->LastEntry)
- {
- /* There was a hole behind us. Handle this */
- PMMWSLE NextFree = &WsList->Wsle[LastValid + 1];
- if (NextFree->u1.Free.PreviousFree == MMWSLE_PREVIOUS_FREE_INVALID)
- {
- /* This was actually our first free entry. */
- ASSERT(WsList->FirstFree == LastValid + 1);
- WsList->FirstFree = MMWSLE_NEXT_FREE_INVALID;
- }
- else
- {
- /* The previous one is now the last in the queue */
- PMMWSLE PreviousFree = &WsList->Wsle[NextFree->u1.Free.PreviousFree];
-
- ASSERT(PreviousFree->u1.Free.MustBeZero == 0);
- PreviousFree->u1.Free.NextFree = MMWSLE_NEXT_FREE_INVALID;
- }
-
- /* Nuke everyone */
- RtlZeroMemory(&WsList->Wsle[LastValid + 1], (WsList->LastEntry - LastValid) * sizeof(MMWSLE));
- WsList->LastEntry = LastValid;
- }
-
- if (LastValid < WsList->FirstDynamic)
- {
- /* Do not mess around with the protected ones */
- return;
- }
-
- /* See if we should shrink our array */
- if (LastValid == (WsList->LastInitializedWsle - (PAGE_SIZE / sizeof(MMWSLE)) + 1))
- {
- PVOID WsleArrayQueue = ALIGN_DOWN_POINTER_BY(&WsList->Wsle[LastValid], PAGE_SIZE);
- PEPROCESS Process = MmGetAddressSpaceOwner(Vm);
-
- ASSERT(WsList->Wsle[WsList->LastEntry].u1.e1.VirtualPageNumber == ((ULONG_PTR)WsleArrayQueue) >> PAGE_SHIFT);
-
- /* Kernel address space not supported yet */
- ASSERT(Process != NULL);
-
- /* Nuke the PTE. This will remove the virtual address from the working set */
- MiDeletePte(MiAddressToPte(WsleArrayQueue), WsleArrayQueue, Process, NULL);
- }
-}
-
-VOID
-NTAPI
-MiRemoveFromWorkingSetList(
- _Inout_ PMMSUPPORT Vm,
- _In_ PVOID Address)
-{
- PMMWSL WsList = Vm->VmWorkingSetList;
- ULONG WsIndex;
- PMMWSLE WsleEntry;
- PMMPTE PointerPte = MiAddressToPte(Address);
- PMMPFN Pfn1;
-
- /* Make sure we got a rounded address */
- Address = ALIGN_DOWN_POINTER_BY(Address, PAGE_SIZE);
-
- /* Make sure we are locking the right things */
- ASSERT(MM_ANY_WS_LOCK_HELD(PsGetCurrentThread()));
- MI_ASSERT_PFN_LOCK_HELD();
-
- /* Make sure we are removing a paged-in address */
- ASSERT(PointerPte->u.Hard.Valid == 1);
- Pfn1 = MiGetPfnEntry(PFN_FROM_PTE(PointerPte));
-
- /* The Pfn must be an active one */
- ASSERT(Pfn1->u3.e1.PageLocation == ActiveAndValid);
-
- WsIndex = Pfn1->u1.WsIndex;
- WsleEntry = &Vm->VmWorkingSetList->Wsle[WsIndex];
-
- /* Shared page not handled yet */
- ASSERT(Pfn1->u3.e1.PrototypePte == 0);
- ASSERT(WsleEntry->u1.e1.Direct == 1);
- /* Nor are "ROS PFN" */
- ASSERT(MI_IS_ROS_PFN(Pfn1) == FALSE);
-
- /* Some sanity checks */
- ASSERT(WsIndex >= WsList->FirstDynamic);
- ASSERT(WsIndex <= WsList->LastEntry);
- ASSERT(WsIndex <= WsList->LastInitializedWsle);
- ASSERT(WsleEntry->u1.e1.Valid == 1);
- ASSERT(WsleEntry->u1.e1.VirtualPageNumber == ((ULONG_PTR)Address) >> PAGE_SHIFT);
-
- /* Let this go */
- Pfn1->u1.WsIndex = 0;
-
- /* Nuke it */
- WsleEntry->u1.Long = 0;
-
- /* Insert our entry into the free list */
- if (WsIndex == WsList->LastEntry)
- {
- /* Let's shrink the active list */
- WsList->LastEntry--;
- MiShrinkWorkingSet(Vm);
- }
- else if (WsList->FirstFree > WsList->LastEntry)
- {
- /* We are the first free entry to be inserted */
- WsList->FirstFree = WsIndex;
- WsleEntry->u1.Free.PreviousFree = MMWSLE_PREVIOUS_FREE_INVALID;
- WsleEntry->u1.Free.NextFree = MMWSLE_NEXT_FREE_INVALID;
- }
- else
- {
- /* Keep this sorted */
- PMMWSLE NextFree = &WsList->Wsle[WsList->FirstFree];
- PMMWSLE PreviousFree = NULL;
-
- ASSERT(NextFree->u1.Free.MustBeZero == 0);
-
- while (NextFree < WsleEntry)
- {
- PreviousFree = NextFree;
- if (NextFree->u1.Free.NextFree != MMWSLE_NEXT_FREE_INVALID)
- {
- NextFree = &WsList->Wsle[NextFree->u1.Free.NextFree];
- ASSERT(NextFree->u1.Free.MustBeZero == 0);
- }
- else
- {
- NextFree = NULL;
- break;
- }
- }
-
- ASSERT(PreviousFree || NextFree);
-
- if (PreviousFree)
- {
- ASSERT((NextFree != NULL) || (PreviousFree->u1.Free.NextFree == MMWSLE_NEXT_FREE_INVALID));
- PreviousFree->u1.Free.NextFree = WsIndex;
- WsleEntry->u1.Free.PreviousFree = PreviousFree - WsList->Wsle;
- }
- else
- {
- WsleEntry->u1.Free.PreviousFree = MMWSLE_PREVIOUS_FREE_INVALID;
- ASSERT(NextFree->u1.Free.PreviousFree == MMWSLE_PREVIOUS_FREE_INVALID);
- WsList->FirstFree = WsIndex;
- }
-
- if (NextFree)
- {
- NextFree->u1.Free.PreviousFree = WsIndex;
- WsleEntry->u1.Free.NextFree = NextFree - WsList->Wsle;
- }
- else
- {
- WsleEntry->u1.Free.NextFree = MMWSLE_NEXT_FREE_INVALID;
- }
- }
-
- Vm->WorkingSetSize -= PAGE_SIZE;
-}
VOID
NTAPI
/* Some debug stuff */
MI_SET_USAGE(MI_USAGE_DRIVER_PAGE);
#if MI_TRACE_PFNS
- MI_SET_PROCESS_USTR(FileName);
+ if (FileName->Buffer)
+ {
+ PWCHAR pos = NULL;
+ ULONG len = 0;
+ pos = wcsrchr(FileName->Buffer, '\\');
+ len = wcslen(pos) * sizeof(WCHAR);
+ if (pos) snprintf(MI_PFN_CURRENT_PROCESS_NAME, min(16, len), "%S", pos);
+ }
#endif
/* Grab a page */
}
else
{
- /* Remove this address from the WS list */
- MiRemoveFromWorkingSetList(&CurrentProcess->Vm, VirtualAddress);
-
/* Make sure the saved PTE address is valid */
if ((PMMPTE)((ULONG_PTR)Pfn1->PteAddress & ~0x1) != PointerPte)
{
{
KIRQL OldIrql = MiAcquirePfnLock();
- /* Remove this from the working set */
- MiRemoveFromWorkingSetList(AddressSpace, MiPteToAddress(PointerPte));
-
/* Mark the PTE as transition and change its protection */
PteContents.u.Hard.Valid = 0;
PteContents.u.Soft.Transition = 1;
PteContents.u.Trans.Protection = ProtectionMask;
/* Decrease PFN share count and write the PTE */
MiDecrementShareCount(Pfn1, PFN_FROM_PTE(&PteContents));
+ // FIXME: remove the page from the WS
MI_WRITE_INVALID_PTE(PointerPte, PteContents);
#ifdef CONFIG_SMP
// FIXME: Should invalidate entry in every CPU TLB
VOID
NTAPI
-MiProcessValidPteList(
- _Inout_ PMMSUPPORT Vm,
- _Inout_ PMMPTE *ValidPteList,
- _In_ ULONG Count)
+MiProcessValidPteList(IN PMMPTE *ValidPteList,
+ IN ULONG Count)
{
KIRQL OldIrql;
ULONG i;
TempPte = *ValidPteList[i];
ASSERT(TempPte.u.Hard.Valid == 1);
- //
- // We can now remove this addres from the working set
- //
- MiRemoveFromWorkingSetList(Vm, MiPteToAddress(ValidPteList[i]));
-
//
// Get the PFN entry for the page itself, and then for its page table
//
ULONG CommitReduction = 0;
PMMPTE ValidPteList[256];
ULONG PteCount = 0;
+ PMMPFN Pfn1;
MMPTE PteContents;
PETHREAD CurrentThread = PsGetCurrentThread();
// such, and does not flush the entire TLB all the time, but right
// now we have bigger problems to worry about than TLB flushing.
//
- PointerPde = MiPteToPde(PointerPte);
+ PointerPde = MiAddressToPde(StartingAddress);
if (PteCount)
{
- MiProcessValidPteList(&Process->Vm, ValidPteList, PteCount);
+ MiProcessValidPteList(ValidPteList, PteCount);
PteCount = 0;
}
//Process->NumberOfPrivatePages--;
if (PteContents.u.Hard.Valid)
{
+ //
+ // It's valid. At this point make sure that it is not a ROS
+ // PFN. Also, we don't support ProtoPTEs in this code path.
+ //
+ Pfn1 = MiGetPfnEntry(PteContents.u.Hard.PageFrameNumber);
+ ASSERT(MI_IS_ROS_PFN(Pfn1) == FALSE);
+ ASSERT(Pfn1->u3.e1.PrototypePte == FALSE);
+
//
// Flush any pending PTEs that we had not yet flushed, if our
// list has gotten too big, then add this PTE to the flush list.
//
if (PteCount == 256)
{
- MiProcessValidPteList(&Process->Vm, ValidPteList, PteCount);
+ MiProcessValidPteList(ValidPteList, PteCount);
PteCount = 0;
}
ValidPteList[PteCount++] = PointerPte;
// This used to be a zero PTE and it no longer is, so we must add a
// reference to the pagetable.
//
- MiIncrementPageTableReferences(MiPteToAddress(PointerPte));
+ MiIncrementPageTableReferences(StartingAddress);
//
// Next, we account for decommitted PTEs and make the PTE as such
}
//
- // Move to the next PTE
+ // Move to the next PTE and the next address
//
PointerPte++;
+ StartingAddress = (PVOID)((ULONG_PTR)StartingAddress + PAGE_SIZE);
}
//
// Flush any dangling PTEs from the loop in the last page table, and then
// release the working set and return the commit reduction accounting.
//
- if (PteCount) MiProcessValidPteList(&Process->Vm, ValidPteList, PteCount);
+ if (PteCount) MiProcessValidPteList(ValidPteList, PteCount);
MiUnlockProcessWorkingSetUnsafe(Process, CurrentThread);
return CommitReduction;
}
OldIrql = MiAcquirePfnLock();
-#if MI_TRACE_PFNS
- switch(Type)
- {
- case MC_CACHE:
- case MC_SYSTEM:
- MI_SET_USAGE(MI_USAGE_CACHE);
- break;
- case MC_USER:
- MI_SET_USAGE(MI_USAGE_SECTION);
- break;
- default:
- ASSERT(FALSE);
- }
-#endif
-
PfnOffset = MiRemoveZeroPage(MI_GET_NEXT_COLOR());
if (!PfnOffset)
{
MI_WRITE_INVALID_PTE(PointerPde, DemandZeroPde);
// Tiny HACK: Parameter 1 is the architecture specific FaultCode for an access violation (i.e. page is present)
-
- /* Lock the working set, as this will add this address to it */
- MiLockProcessWorkingSetUnsafe(Process, PsGetCurrentThread());
-
Status = MiDispatchFault(0x1,
Pt,
PointerPde,
DBG_UNREFERENCED_LOCAL_VARIABLE(Status);
ASSERT(KeAreAllApcsDisabled() == TRUE);
ASSERT(PointerPde->u.Hard.Valid == 1);
-
- MiUnlockProcessWorkingSetUnsafe(Process, PsGetCurrentThread());
}
return (PULONG)MiAddressToPte(Address);
}
ASSERT(AddressSpace != MmGetKernelAddressSpace());
if (MiQueryPageTableReferences((PVOID)Address) == 0)
{
- KIRQL OldIrql;
/* No PTE relies on this PDE. Release it */
- MiLockProcessWorkingSet(Process, PsGetCurrentThread());
- OldIrql = MiAcquirePfnLock();
+ KIRQL OldIrql = MiAcquirePfnLock();
PMMPDE PointerPde = MiAddressToPde(Address);
ASSERT(PointerPde->u.Hard.Valid == 1);
MiDeletePte(PointerPde, MiPdeToPte(PointerPde), Process, NULL);
ASSERT(PointerPde->u.Hard.Valid == 0);
MiReleasePfnLock(OldIrql);
- MiUnlockProcessWorkingSet(Process, PsGetCurrentThread());
}
}
#endif
* Allocate a page, this is rather complicated by the possibility
* we might have to move other things out of memory
*/
+ MI_SET_USAGE(MI_USAGE_SECTION);
+ MI_SET_PROCESS2(PsGetCurrentProcess()->ImageFileName);
Status = MmRequestPageMemoryConsumer(MC_USER, TRUE, Page);
if (!NT_SUCCESS(Status))
{
((Offset.QuadPart >= (LONGLONG)PAGE_ROUND_UP(Segment->RawLength.QuadPart) &&
(Section->AllocationAttributes & SEC_IMAGE))))
{
+ MI_SET_USAGE(MI_USAGE_SECTION);
+ if (Process) MI_SET_PROCESS2(Process->ImageFileName);
+ if (!Process) MI_SET_PROCESS2("Kernel Section");
Status = MmRequestPageMemoryConsumer(MC_USER, TRUE, &Page);
if (!NT_SUCCESS(Status))
{
MmUnlockSectionSegment(Segment);
MmUnlockAddressSpace(AddressSpace);
+ MI_SET_USAGE(MI_USAGE_SECTION);
+ if (Process) MI_SET_PROCESS2(Process->ImageFileName);
+ if (!Process) MI_SET_PROCESS2("Kernel Section");
Status = MmRequestPageMemoryConsumer(MC_USER, TRUE, &Page);
if (!NT_SUCCESS(Status))
{
/*
* Allocate a page
*/
+ MI_SET_USAGE(MI_USAGE_SECTION);
+ if (Process) MI_SET_PROCESS2(Process->ImageFileName);
+ if (!Process) MI_SET_PROCESS2("Kernel Section");
Status = MmRequestPageMemoryConsumer(MC_USER, TRUE, &NewPage);
if (!NT_SUCCESS(Status))
{
projects / reactos.git / commitdiff