Module Name: src
Committed By: chs
Date: Fri Jan 23 16:13:53 UTC 2015
Modified Files:
src/sys/uvm: uvm_map.c
Log Message:
skip busy anon pages in uvm_map_clean().
we shouldn't be messing with pages that someone else has busy,
and uvm_map_clean() is just advisory for amap mappings.
To generate a diff of this commit:
cvs rdiff -u -r1.331 -r1.332 src/sys/uvm/uvm_map.c
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_map.c
diff -u src/sys/uvm/uvm_map.c:1.331 src/sys/uvm/uvm_map.c:1.332
--- src/sys/uvm/uvm_map.c:1.331 Sun Oct 26 01:42:07 2014
+++ src/sys/uvm/uvm_map.c Fri Jan 23 16:13:53 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_map.c,v 1.331 2014/10/26 01:42:07 christos Exp $ */
+/* $NetBSD: uvm_map.c,v 1.332 2015/01/23 16:13:53 chs Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.331 2014/10/26 01:42:07 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.332 2015/01/23 16:13:53 chs Exp $");
#include "opt_ddb.h"
#include "opt_uvmhist.h"
@@ -3798,6 +3798,9 @@ uvm_map_clean(struct vm_map *map, vaddr_
if (pg == NULL) {
continue;
}
+ if (pg->flags & PG_BUSY) {
+ continue;
+ }
switch (flags & (PGO_CLEANIT|PGO_FREE|PGO_DEACTIVATE)) {
