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Fixed reference counting of page tables

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Don't print addresses that aren't in the text segment of a module

svn path=/trunk/; revision=1627
This commit is contained in:
David Welch 2001-02-18 17:43:32 +00:00
parent d458692c89
commit f827a8f124
3 changed files with 31 additions and 15 deletions
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8
reactos/ntoskrnl/ke/i386/exp.c
View file

@ -57,7 +57,8 @@ extern ULONG init_stack_top;
extern unsigned int _text_start__, _text_end__;
static void print_address(PVOID address)
STATIC BOOLEAN
print_address(PVOID address)
{
PLIST_ENTRY current_entry;
PMODULE_OBJECT current;
@ -75,12 +76,15 @@ static void print_address(PVOID address)
{
DbgPrint("<%wZ: %x>", &current->Name,
address - current->Base);
return;
return(TRUE);
}
current_entry = current_entry->Flink;
}
#if 0
DbgPrint("<%x>", address);
#endif
return(FALSE);
}
ULONG

22
reactos/ntoskrnl/mm/i386/page.c
View file

@ -1,4 +1,4 @@
/* $Id: page.c,v 1.19 2001/02/10 22:51:11 dwelch Exp $
/* $Id: page.c,v 1.20 2001/02/18 17:43:32 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top directory
* PROJECT: ReactOS kernel
@ -173,8 +173,9 @@ VOID MmFreePageTable(PEPROCESS Process, PVOID Address)
{
if (PageTable[i] != 0)
{
DbgPrint("Page table entry not clear\n");
KeBugCheck(0);
DbgPrint("Page table entry not clear at %x/%x (is %x)\n",
((ULONG)Address / 4*1024*1024), i, PageTable[i]);
KeBugCheck(0);
}
}
npage = *(ADDR_TO_PDE(Address));
@ -324,7 +325,7 @@ VOID MmDeleteVirtualMapping(PEPROCESS Process, PVOID Address, BOOL FreePage)
Ptrc = Process->AddressSpace.PageTableRefCountTable;
Ptrc[ADDR_TO_PAGE_TABLE(Address)]--;
#if 0
#if 1
if (Ptrc[ADDR_TO_PAGE_TABLE(Address)] == 0)
{
MmFreePageTable(Process, Address);
@ -441,9 +442,20 @@ NTSTATUS MmCreateVirtualMapping(PEPROCESS Process,
if (!MmIsUsablePage((PVOID)PhysicalAddress))
{
DPRINT1("Page not usable\n");
KeBugCheck(0);
}
if (Process == NULL && Address < (PVOID)KERNEL_BASE)
{
DPRINT1("No process\n");
KeBugCheck(0);
}
if (Process != NULL && Address >= (PVOID)KERNEL_BASE)
{
DPRINT1("Setting kernel address with process context\n");
KeBugCheck(0);
}
Attributes = ProtectToPTE(flProtect);
if (Process != NULL && Process != CurrentProcess)

16
reactos/ntoskrnl/mm/section.c
View file

@ -1,4 +1,4 @@
/* $Id: section.c,v 1.46 2001/02/14 02:53:53 dwelch Exp $
/* $Id: section.c,v 1.47 2001/02/18 17:43:32 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -218,7 +218,7 @@ MmWaitForPendingOperationSection(PMADDRESS_SPACE AddressSpace,
* and have a reference to a page containing valid data for the
* section offset. Set the page and return success.
*/
Status = MmCreateVirtualMapping(NULL,
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
Attributes,
(ULONG)Page);
@ -294,7 +294,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
/*
* Just map the desired physical page
*/
Status = MmCreateVirtualMapping(NULL,
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
MemoryArea->Attributes,
Offset.QuadPart);
@ -329,7 +329,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
MmLockSectionSegment(Segment);
Page = MmAllocPage(0);
}
Status = MmCreateVirtualMapping(NULL,
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
MemoryArea->Attributes,
(ULONG)Page);
@ -406,7 +406,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
Page = (PVOID)Entry;
MmReferencePage(Page);
Status = MmCreateVirtualMapping(NULL,
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
Attributes,
(ULONG)Page);
@ -500,7 +500,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
*/
MmSetWaitPage(Page);
Status = MmCreateVirtualMapping(NULL,
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
Attributes,
(ULONG)Page);
@ -541,7 +541,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
Page = (PVOID)Entry;
MmReferencePage(Page);
Status = MmCreateVirtualMapping(NULL,
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
Attributes,
(ULONG)Page);
@ -626,7 +626,7 @@ MmAccessFaultSectionView(PMADDRESS_SPACE AddressSpace,
memcpy(NewAddress, (PVOID)PAGE_ROUND_DOWN(Address), PAGESIZE);
ExUnmapPage(NewAddress);
Status = MmCreateVirtualMapping(NULL,
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
MemoryArea->Attributes,
(ULONG)NewPage);