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Support Win10 - modify _PF_MEMORY_RANGE_INFO #23

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Support Win10 - modify _PF_MEMORY_RANGE_INFO #23

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8 changes: 5 additions & 3 deletions MemInfo/MemInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -60,9 +60,10 @@ NTSTATUS PfiQueryMemoryRanges() {
ULONG ResultLength = 0;

//
// Memory Ranges API was added in RTM, this is Version 1
// Memory Ranges API was added in RTM, this is Version 1. Since Windows 10 it is Version 2.
//
MemoryRangeInfo.Version = 1;
MemoryRangeInfo.Version = 2;
MemoryRangeInfo.flags = 0;

//
// Build the Superfetch Information Buffer
Expand All @@ -84,7 +85,8 @@ NTSTATUS PfiQueryMemoryRanges() {
// Reallocate memory
//
MemoryRanges = static_cast<PPF_MEMORY_RANGE_INFO>(::HeapAlloc(GetProcessHeap(), 0, ResultLength));
MemoryRanges->Version = 1;
MemoryRanges->Version = 2;
MemoryRanges->flags = 0;

//
// Rebuild the buffer
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10 changes: 10 additions & 0 deletions MemInfo/MemInfo.h
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Expand Up @@ -139,11 +139,21 @@ typedef struct _PF_PHYSICAL_MEMORY_RANGE {
ULONG_PTR PageCount;
} PF_PHYSICAL_MEMORY_RANGE, *PPF_PHYSICAL_MEMORY_RANGE;

/*
typedef struct _PF_MEMORY_RANGE_INFO {
ULONG Version;
ULONG RangeCount;
PF_PHYSICAL_MEMORY_RANGE Ranges[ANYSIZE_ARRAY];
} PF_MEMORY_RANGE_INFO, *PPF_MEMORY_RANGE_INFO;
*/
//Information from https://blog.midi12.re/systemsuperfetchinformation/
typedef struct _PF_MEMORY_RANGE_INFO {
ULONG Version;
ULONG flags; // added between 10_1709_16299_248 and 10_1803_17134_81
ULONG RangeCount;
PF_PHYSICAL_MEMORY_RANGE Ranges[ANYSIZE_ARRAY];
} PF_MEMORY_RANGE_INFO, * PPF_MEMORY_RANGE_INFO;


//
// Sub-Information Types for PFN Identity
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