X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86_64%2Fmm_phys.c;h=893fb5b17b93bda62a3b84feacfb5273cc142144;hb=58c7107eb0a5ae254c135f2eaa6263751f1ebe67;hp=eb495b3310ff97aee77d54d5fc7b77cb35a1049d;hpb=2ebf89999759fc9d1ece6f98dfd439170995bb28;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86_64/mm_phys.c b/Kernel/arch/x86_64/mm_phys.c
index eb495b33..893fb5b1 100644
--- a/Kernel/arch/x86_64/mm_phys.c
+++ b/Kernel/arch/x86_64/mm_phys.c
@@ -461,7 +461,7 @@ tPAddr MM_AllocPhys(void)
 		if( gaiStaticAllocPages[i] ) {
 			tPAddr	ret = gaiStaticAllocPages[i];
 			gaiStaticAllocPages[i] = 0;
-			Log("MM_AllocPhys: Return %x, static alloc %i", ret, i);
+			Log("MM_AllocPhys: Return %P, static alloc %i", ret, i);
 			return ret;
 		}
 	}
@@ -536,6 +536,23 @@ void MM_DerefPhys(tPAddr PAddr)
 	}
 }
 
+int MM_GetRefCount( tPAddr PAddr )
+{
+	PAddr >>= 12;
+	
+	if( PAddr >> 12 > giMaxPhysPage )	return 0;
+
+	if( gaMultiBitmap[ PAddr >> 6 ] & (1LL << (PAddr&63)) ) {
+		return gaiPageReferences[PAddr];
+	}
+
+	if( gaMainBitmap[ PAddr >> 6 ] & (1LL << (PAddr&63)) )
+	{
+		return 1;
+	}
+	return 0;
+}
+
 /**
  * \brief Takes a physical address and returns the ID of its range
  * \param Addr	Physical address of page