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Don't use more than a single page for a TEB (forgotten file)

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svn path=/trunk/; revision=11144
This commit is contained in:
Gé van Geldorp 2004-10-01 20:29:58 +00:00
parent 228cddee4a
commit adeb131ada
1 changed files with 15 additions and 2 deletions
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17
reactos/ntoskrnl/ps/kill.c
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@ -1,4 +1,4 @@
/* $Id: kill.c,v 1.76 2004/09/28 15:02:29 weiden Exp $ /* $Id: kill.c,v 1.77 2004/10/01 20:29:58 gvg Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -113,6 +113,7 @@ PsTerminateCurrentThread(NTSTATUS ExitStatus)
BOOLEAN Last; BOOLEAN Last;
PEPROCESS CurrentProcess; PEPROCESS CurrentProcess;
SIZE_T Length = PAGE_SIZE; SIZE_T Length = PAGE_SIZE;
PVOID TebBlock;
KeLowerIrql(PASSIVE_LEVEL); KeLowerIrql(PASSIVE_LEVEL);
@ -149,10 +150,22 @@ PsTerminateCurrentThread(NTSTATUS ExitStatus)
/* Free the TEB */ /* Free the TEB */
if(CurrentThread->Tcb.Teb) if(CurrentThread->Tcb.Teb)
{ {
DPRINT("Decommit teb at %p\n", CurrentThread->Tcb.Teb);
ExAcquireFastMutex(&CurrentProcess->TebLock);
TebBlock = MM_ROUND_DOWN(CurrentThread->Tcb.Teb, MM_VIRTMEM_GRANULARITY);
ZwFreeVirtualMemory(NtCurrentProcess(), ZwFreeVirtualMemory(NtCurrentProcess(),
(PVOID *)&CurrentThread->Tcb.Teb, (PVOID *)&CurrentThread->Tcb.Teb,
&Length, &Length,
MEM_RELEASE); MEM_DECOMMIT);
DPRINT("teb %p, TebBlock %p\n", CurrentThread->Tcb.Teb, TebBlock);
if (TebBlock != CurrentProcess->TebBlock ||
CurrentProcess->TebBlock == CurrentProcess->TebLastAllocated)
{
MmLockAddressSpace(&CurrentProcess->AddressSpace);
MmReleaseMemoryAreaIfDecommitted(CurrentProcess, &CurrentProcess->AddressSpace, TebBlock);
MmUnlockAddressSpace(&CurrentProcess->AddressSpace);
}
ExReleaseFastMutex(&CurrentProcess->TebLock);
} }
/* abandon all owned mutants */ /* abandon all owned mutants */