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[NTOS]: Build paged pool demand-zero PTE with MI_MAKE_SOFTWARE_PTE macro.

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[NTOS]: Handle paged pool demand-zero fault fulfillment with MI_MAKE_HARDWARE_PTE macro.
[NTOS]: Use MiRemoveAnyPage instead of MmAllocPage, in paged pool demand-zero fault fulfillment.
These changes affect code paths that are not currently in-use.

svn path=/trunk/; revision=47575
This commit is contained in:
Sir Richard 2010-06-04 20:18:27 +00:00
parent f150c299f2
commit 63ce635b0f
2 changed files with 12 additions and 16 deletions
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20
reactos/ntoskrnl/mm/ARM3/pagfault.c
View file

@ -105,11 +105,12 @@ MiResolveDemandZeroFault(IN PVOID Address,
OldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
ASSERT(PointerPte->u.Hard.Valid == 0);
//
// Get a page
//
PageFrameNumber = MmAllocPage(MC_PPOOL);
DPRINT("New pool page: %lx\n", PageFrameNumber);
/* Get a page */
PageFrameNumber = MiRemoveAnyPage(0);
DPRINT1("New pool page: %lx\n", PageFrameNumber);
/* Initialize it */
MiInitializePfn(PageFrameNumber, PointerPte, TRUE);
//
// Release PFN lock
@ -124,11 +125,8 @@ MiResolveDemandZeroFault(IN PVOID Address,
/* Shouldn't see faults for user PTEs yet */
ASSERT(PointerPte > MiHighestUserPte);
//
// Build the PTE
//
TempPte = ValidKernelPte;
TempPte.u.Hard.PageFrameNumber = PageFrameNumber;
/* Build the PTE */
MI_MAKE_HARDWARE_PTE(&TempPte, PointerPte, PointerPte->u.Soft.Protection, PageFrameNumber);
ASSERT(TempPte.u.Hard.Valid == 1);
ASSERT(PointerPte->u.Hard.Valid == 0);
*PointerPte = TempPte;
@ -137,7 +135,7 @@ MiResolveDemandZeroFault(IN PVOID Address,
//
// It's all good now
//
DPRINT("Paged pool page has now been paged in\n");
DPRINT1("Paged pool page has now been paged in\n");
return STATUS_PAGE_FAULT_DEMAND_ZERO;
}

8
reactos/ntoskrnl/mm/ARM3/pool.c
View file

@ -417,11 +417,9 @@ MiAllocatePoolPages(IN POOL_TYPE PoolType,
//
KeFlushEntireTb(TRUE, TRUE);
//
// Setup a demand-zero writable PTE
//
TempPte.u.Long = 0;
MI_MAKE_WRITE_PAGE(&TempPte);
/* Setup a demand-zero writable PTE */
DPRINT1("Setting up demand zero\n");
MI_MAKE_SOFTWARE_PTE(&TempPte, MM_READWRITE);
//
// Find the first and last PTE, then loop them all