[win-pv-devel] [PATCH xenbus 1/2] make it compile for Windows 7

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

MmAllocateContiguousNodeMemory is available in Windows 8+, use
MmAllocateContiguousMemory when building for older version.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
---
 src/xenbus/fdo.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/xenbus/fdo.c b/src/xenbus/fdo.c
index 8ca8f52..7bd33a4 100644
--- a/src/xenbus/fdo.c
+++ b/src/xenbus/fdo.c
@@ -5079,12 +5079,17 @@ __FdoAllocateBuffer(
     High = SystemMaximumPhysicalAddress();
     Align.QuadPart = Size;
 
+#if _WIN32_WINNT >= _WIN32_WINNT_WIN8
     Buffer = MmAllocateContiguousNodeMemory((SIZE_T)Size,
                                             Low,
                                             High,
                                             Align,
                                             PAGE_READWRITE,
                                             MM_ANY_NODE_OK);
+#else
+    Buffer = MmAllocateContiguousMemory((SIZE_T)Size,
+                                        High);
+#endif
 
     status = STATUS_NO_MEMORY;
     if (Buffer == NULL)
-- 
2.13.6


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