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- Fixed the calculation of MiPagesRequired.

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- Fixed the calculation of the target in MiRebalanceMemoryConsumers.

svn path=/trunk/; revision=4891
This commit is contained in:
Hartmut Birr 2003-06-14 17:53:25 +00:00
parent 07dd3a3809
commit 6a3ff87ad2
1 changed files with 10 additions and 10 deletions
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20
reactos/ntoskrnl/mm/balance.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: balance.c,v 1.15 2003/04/26 23:13:32 hyperion Exp $
/* $Id: balance.c,v 1.16 2003/06/14 17:53:25 hbirr Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/balance.c
@ -62,17 +62,16 @@ static KSPIN_LOCK AllocationListLock;
static ULONG NrWorkingThreads = 0;
static HANDLE WorkerThreadId;
static ULONG MiPagesRequired = 0;
static ULONG MiMinimumPagesPerRun = 1;
static ULONG MiMinimumPagesPerRun = 10;
/* FUNCTIONS ****************************************************************/
VOID MmPrintMemoryStatistic(VOID)
{
DbgPrint("MC_CACHE %d, MC_USER %d, MC_PPOOL %d, MC_NPPOOL %d\n",
MiMemoryConsumers[MC_CACHE].PagesUsed,
MiMemoryConsumers[MC_USER].PagesUsed,
MiMemoryConsumers[MC_PPOOL].PagesUsed,
MiMemoryConsumers[MC_NPPOOL].PagesUsed);
DbgPrint("MC_CACHE %d, MC_USER %d, MC_PPOOL %d, MC_NPPOOL %d, MiNrAvailablePages %d\n",
MiMemoryConsumers[MC_CACHE].PagesUsed, MiMemoryConsumers[MC_USER].PagesUsed,
MiMemoryConsumers[MC_PPOOL].PagesUsed, MiMemoryConsumers[MC_NPPOOL].PagesUsed,
MiNrAvailablePages);
}
VOID
@ -119,7 +118,6 @@ MmReleasePageMemoryConsumer(ULONG Consumer, PHYSICAL_ADDRESS Page)
{
InterlockedDecrement((LONG *)&MiMemoryConsumers[Consumer].PagesUsed);
InterlockedIncrement((LONG *)&MiNrAvailablePages);
InterlockedDecrement((LONG *)&MiPagesRequired);
if (IsListEmpty(&AllocationListHead))
{
KeReleaseSpinLock(&AllocationListLock, oldIrql);
@ -151,7 +149,7 @@ MiTrimMemoryConsumer(ULONG Consumer)
Target = MiMemoryConsumers[Consumer].PagesUsed -
MiMemoryConsumers[Consumer].PagesTarget;
if (Target < 0)
if (Target < 1)
{
Target = 1;
}
@ -171,7 +169,7 @@ MiRebalanceMemoryConsumers(VOID)
NTSTATUS Status;
Target = (MiMinimumAvailablePages - MiNrAvailablePages) + MiPagesRequired;
Target = min(Target, (LONG) MiMinimumPagesPerRun);
Target = max(Target, (LONG) MiMinimumPagesPerRun);
for (i = 0; i < MC_MAXIMUM && Target > 0; i++)
{
@ -259,6 +257,7 @@ MmRequestPageMemoryConsumer(ULONG Consumer, BOOLEAN CanWait,
KeBugCheck(0);
}
*AllocatedPage = Page;
InterlockedDecrement((LONG *)&MiPagesRequired);
return(STATUS_SUCCESS);
}
InsertTailList(&AllocationListHead, &Request.ListEntry);
@ -277,6 +276,7 @@ MmRequestPageMemoryConsumer(ULONG Consumer, BOOLEAN CanWait,
}
MmTransferOwnershipPage(Page, Consumer);
*AllocatedPage = Page;
InterlockedDecrement((LONG *)&MiPagesRequired);
return(STATUS_SUCCESS);
}