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Prefer pmap_extract() over pmap_kextract() as done in MmIsAddressValid().

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According to the comment for MmIsAddressValid() there are issues on PAE
kernels using pmap_kextract().

Submitted by:	Paul B Mahol <onemda at gmail.com>
This commit is contained in:
Bernhard Schmidt 2010-11-22 20:39:29 +00:00
parent 95353459ae
commit ea245594a6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=215707
1 changed files with 7 additions and 1 deletions
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8
sys/compat/ndis/subr_ntoskrnl.c
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@ -2544,6 +2544,12 @@ MmUnmapLockedPages(vaddr, buf)
* here, but it doesn't.
*/
static uint64_t
MmGetPhysicalAddress(void *base)
{
return (pmap_extract(kernel_map->pmap, (vm_offset_t)base));
}
uint8_t
MmIsAddressValid(vaddr)
void *vaddr;
@ -4241,12 +4247,12 @@ image_patch_table ntoskrnl_functbl[] = {
IMPORT_SFUNC(MmAllocateContiguousMemorySpecifyCache, 5 + 3),
IMPORT_SFUNC(MmFreeContiguousMemory, 1),
IMPORT_SFUNC(MmFreeContiguousMemorySpecifyCache, 3),
IMPORT_SFUNC_MAP(MmGetPhysicalAddress, pmap_kextract, 1),
IMPORT_SFUNC(MmSizeOfMdl, 1),
IMPORT_SFUNC(MmMapLockedPages, 2),
IMPORT_SFUNC(MmMapLockedPagesSpecifyCache, 6),
IMPORT_SFUNC(MmUnmapLockedPages, 2),
IMPORT_SFUNC(MmBuildMdlForNonPagedPool, 1),
IMPORT_SFUNC(MmGetPhysicalAddress, 1),
IMPORT_SFUNC(MmIsAddressValid, 1),
IMPORT_SFUNC(MmMapIoSpace, 3 + 1),
IMPORT_SFUNC(MmUnmapIoSpace, 2),