datapath-windows: Support for allocating/releasing memory with tag

Added functions for allocating and releasing memory with specified tag. Signed-off-by: Sorin Vinturis <svinturis@cloudbasesolutions.com> Reported-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com> Reported-at: openvswitch/ovs-issues#56 Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com> Acked-by: Eitan Eliahu <eliahue@vmware.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
openvswitch · Mar 26, 2015 · aa63bc9 · aa63bc9
1 parent 1d741d6
commit aa63bc9
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diff --git a/datapath-windows/ovsext/Util.c b/datapath-windows/ovsext/Util.c
@@ -24,6 +24,21 @@
 
 extern NDIS_HANDLE gOvsExtDriverHandle;
 
+VOID*
+OvsAllocateMemoryWithTag(size_t size, ULONG tag)
+{
+    OVS_VERIFY_IRQL_LE(DISPATCH_LEVEL);
+    return NdisAllocateMemoryWithTagPriority(gOvsExtDriverHandle,
+        (UINT32)size, tag, NormalPoolPriority);
+}
+
+VOID
+OvsFreeMemoryWithTag(VOID *ptr, ULONG tag)
+{
+    ASSERT(ptr);
+    NdisFreeMemoryWithTagPriority(gOvsExtDriverHandle, ptr, tag);
+}
+
 VOID *
 OvsAllocateMemory(size_t size)
 {

diff --git a/datapath-windows/ovsext/Util.h b/datapath-windows/ovsext/Util.h
@@ -25,8 +25,10 @@
 #define OVS_OTHER_POOL_TAG              'MSVO'
 
 VOID *OvsAllocateMemory(size_t size);
+VOID *OvsAllocateMemoryWithTag(size_t size, ULONG tag);
 VOID *OvsAllocateAlignedMemory(size_t size, UINT16 align);
 VOID OvsFreeMemory(VOID *ptr);
+VOID OvsFreeMemoryWithTag(VOID *ptr, ULONG tag);
 VOID OvsFreeAlignedMemory(VOID *ptr);
 
 #define LIST_FORALL(_headPtr, _itemPtr) \