X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FCore%2FDxe%2FMem%2FPage.c;h=c9219cc068b392c14052d77f0548715a86399146;hp=3dd6d1b4a0da4511bfdb38dfcaeaac5b9a303872;hb=a7181d952fcd0b03c423cef99b6e8bf93d9cb1f1;hpb=9189ec20b9e22fe1ec61caefa47a3b3a3cad23a3

diff --git a/MdeModulePkg/Core/Dxe/Mem/Page.c b/MdeModulePkg/Core/Dxe/Mem/Page.c
index 3dd6d1b4a0..c9219cc068 100644
--- a/MdeModulePkg/Core/Dxe/Mem/Page.c
+++ b/MdeModulePkg/Core/Dxe/Mem/Page.c
@@ -188,7 +188,9 @@ CoreAddRange (
   // used for other purposes.
   //  
   if (Type == EfiConventionalMemory && Start == 0 && (End >= EFI_PAGE_SIZE - 1)) {
-    SetMem ((VOID *)(UINTN)Start, EFI_PAGE_SIZE, 0);
+    if ((PcdGet8 (PcdNullPointerDetectionPropertyMask) & BIT0) == 0) {
+      SetMem ((VOID *)(UINTN)Start, EFI_PAGE_SIZE, 0);
+    }
   }
   
   //