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nvram: request memory locked pages in mmap() and make it available for ar71xx 

SVN-Revision: 19486
This commit is contained in:
Jo-Philipp Wich 2010-02-01 01:32:47 +00:00
parent e0933ce6e6
commit 5c937a97b0
2 changed files with 3 additions and 3 deletions
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2
package/nvram/Makefile
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@ -18,7 +18,7 @@ define Package/nvram
SECTION:=utils SECTION:=utils
CATEGORY:=Base system CATEGORY:=Base system
TITLE:=Userspace port of the Broadcom NVRAM manipulation tool TITLE:=Userspace port of the Broadcom NVRAM manipulation tool
DEPENDS:=@TARGET_brcm_2_4||@TARGET_brcm47xx DEPENDS:=@TARGET_brcm_2_4||@TARGET_brcm47xx||@TARGET_ar71xx
endef endef
define Package/nvram/description define Package/nvram/description

4
package/nvram/src/nvram.c
View File

@ -2,7 +2,7 @@
* NVRAM variable manipulation (common) * NVRAM variable manipulation (common)
* *
* Copyright 2004, Broadcom Corporation * Copyright 2004, Broadcom Corporation
* Copyright 2009, OpenWrt.org * Copyright 2009-2010, OpenWrt.org
* All Rights Reserved. * All Rights Reserved.
* *
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * 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( char *mmap_area = (char *) mmap(
NULL, nvram_erase_size, PROT_READ | PROT_WRITE, 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 ) if( mmap_area != MAP_FAILED )
{ {