Module Name: src
Committed By: matt
Date: Tue Nov 29 07:44:52 UTC 2011
Modified Files:
src/sys/uvm [matt-nb5-mips64]: uvm_param.h
Log Message:
Redefine ptoa() to be the inverse of atop. If you were using a 32-bit vaddr_t
with 64-bit paddr_t and using managed addresses > 4GB, uvm_page_init would
silently discard the upper 32-bits of the physical address possibly double
mapping pages.
To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.21.78.1 src/sys/uvm/uvm_param.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/uvm/uvm_param.h
diff -u src/sys/uvm/uvm_param.h:1.21 src/sys/uvm/uvm_param.h:1.21.78.1
--- src/sys/uvm/uvm_param.h:1.21 Fri Aug 4 22:42:36 2006
+++ src/sys/uvm/uvm_param.h Tue Nov 29 07:44:52 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_param.h,v 1.21 2006/08/04 22:42:36 he Exp $ */
+/* $NetBSD: uvm_param.h,v 1.21.78.1 2011/11/29 07:44:52 matt Exp $ */
/*
* Copyright (c) 1991, 1993
@@ -196,7 +196,7 @@
*/
#ifdef _KERNEL
#define atop(x) (((paddr_t)(x)) >> PAGE_SHIFT)
-#define ptoa(x) ((vaddr_t)((vaddr_t)(x) << PAGE_SHIFT))
+#define ptoa(x) (((paddr_t)(x)) << PAGE_SHIFT)
/*
* Round off or truncate to the nearest page. These will work
