From 3e7c3b46978dff7fceff2b9c7e2235431b0d7ab6 Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 14 Jun 2015 19:58:45 +0000
Subject: [PATCH] [NTOSKRNL] Complete NtQuerySystemInformation -
 SystemNumaProcessorMap stub so that it is possible to query the highest node
 number (and only that!)

CORE-9680

svn path=/trunk/; revision=68142
---
 reactos/ntoskrnl/ex/sysinfo.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/reactos/ntoskrnl/ex/sysinfo.c b/reactos/ntoskrnl/ex/sysinfo.c
index b352657d611..007543fcd11 100644
--- a/reactos/ntoskrnl/ex/sysinfo.c
+++ b/reactos/ntoskrnl/ex/sysinfo.c
@@ -2168,9 +2168,31 @@ SSI_DEF(SystemLoadGdiDriverInSystemSpaceInformation)
 /* Class 55 - NUMA processor information  */
 QSI_DEF(SystemNumaProcessorMap)
 {
+    PSYSTEM_NUMA_INFORMATION NumaInformation = (PSYSTEM_NUMA_INFORMATION)Buffer;
+
+    if (Size < sizeof(ULONG))
+    {
+        return STATUS_INFO_LENGTH_MISMATCH;
+    }
+
+#if 1 // Partial & incomplete implementation just to let GetNumaHighestNodeNumber() work
+    /* In case of a partial query, just return number of nodes and stop here */
+    if (Size < sizeof(SYSTEM_NUMA_INFORMATION))
+    {
+        NumaInformation->HighestNodeNumber = KeNumberNodes - 1;
+        *ReqSize = sizeof(ULONG);
+        return STATUS_SUCCESS;
+    }
+    else
+    {
+        DPRINT1("NtQuerySystemInformation - SystemNumaProcessorMap not implemented\n");
+        return STATUS_NOT_IMPLEMENTED;
+    }
+#else
     /* FIXME */
     DPRINT1("NtQuerySystemInformation - SystemNumaProcessorMap not implemented\n");
     return STATUS_NOT_IMPLEMENTED;
+#endif
 }