From: John Hodge <tpg@prelude.(none)>
Date: Sat, 2 Jan 2010 05:17:30 +0000 (+0800)
Subject: Fixed a bug that caused physical memory allocation to be one-time use
X-Git-Tag: rel0.06~339
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=3e283fbc68969202e0a582e645b8cdd839ddd29b;p=tpg%2Facess2.git

Fixed a bug that caused physical memory allocation to be one-time use
---

diff --git a/Kernel/Makefile.BuildNum b/Kernel/Makefile.BuildNum
index 40dbf54a..fc8e6128 100644
--- a/Kernel/Makefile.BuildNum
+++ b/Kernel/Makefile.BuildNum
@@ -1 +1 @@
-BUILD_NUM = 57
+BUILD_NUM = 59
diff --git a/Kernel/arch/x86/mm_phys.c b/Kernel/arch/x86/mm_phys.c
index bd8d60e4..595a5e97 100644
--- a/Kernel/arch/x86/mm_phys.c
+++ b/Kernel/arch/x86/mm_phys.c
@@ -352,6 +352,9 @@ void MM_DerefPhys(tPAddr Addr)
 	// Lock Structures
 	LOCK( &giPhysAlloc );
 	
+	if( giLastPossibleFree < Addr )
+		giLastPossibleFree = Addr;
+
 	// Dereference
 	gaPageReferences[ Addr ] --;