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authorJo-Philipp Wich <jow@openwrt.org>2010-02-01 01:32:47 +0000
committerJo-Philipp Wich <jow@openwrt.org>2010-02-01 01:32:47 +0000
commit5c937a97b08f04224c52d09c4df7fed6442ccb95 (patch)
tree989e2945dd792b870505d80238fa621d78fd0d9f /package/nvram/src
parente0933ce6e6905f886e91fdd4e281ab7eb1aae3b9 (diff)
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nvram: request memory locked pages in mmap() and make it available for ar71xx
SVN-Revision: 19486
Diffstat (limited to 'package/nvram/src')
-rw-r--r--package/nvram/src/nvram.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/package/nvram/src/nvram.c b/package/nvram/src/nvram.c
index ed3da4312b..7ab8c81ab0 100644
--- a/package/nvram/src/nvram.c
+++ b/package/nvram/src/nvram.c
@@ -2,7 +2,7 @@
* NVRAM variable manipulation (common)
*
* Copyright 2004, Broadcom Corporation
- * Copyright 2009, OpenWrt.org
+ * Copyright 2009-2010, OpenWrt.org
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
@@ -357,7 +357,7 @@ nvram_handle_t * nvram_open(const char *file, int rdonly)
{
char *mmap_area = (char *) mmap(
NULL, nvram_erase_size, PROT_READ | PROT_WRITE,
- ( rdonly == NVRAM_RO ) ? MAP_PRIVATE : MAP_SHARED, fd, 0);
+ (( rdonly == NVRAM_RO ) ? MAP_PRIVATE : MAP_SHARED) | MAP_LOCKED, fd, 0);
if( mmap_area != MAP_FAILED )
{