MdeModulePkg Variable: Introduce PcdReclaimVariableSpaceAtEndOfDxe

[mirror_edk2.git] / MdeModulePkg / Universal / Variable / RuntimeDxe / Variable.c

diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index 349128937b4fbc139d616c45b182dfa1198ae6b5..b3c36992e36a181af3c831d60dcea6f4907c8dee 100644 (file)
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -3124,6 +3124,15 @@ ReclaimForOS(
   EFI_STATUS                     Status;\r
   UINTN                          RemainingCommonRuntimeVariableSpace;\r
   UINTN                          RemainingHwErrVariableSpace;\r
+  STATIC BOOLEAN                 Reclaimed;\r
+\r
+  //\r
+  // This function will be called only once at EndOfDxe or ReadyToBoot event.\r
+  //\r
+  if (Reclaimed) {\r
+    return;\r
+  }\r
+  Reclaimed = TRUE;\r
 \r
   Status  = EFI_SUCCESS;\r
 \r