diff options
Diffstat (limited to 'modutils')
| -rw-r--r-- | modutils/Config.src | 43 | ||||
| -rw-r--r-- | modutils/modprobe-small.c | 10 |
2 files changed, 27 insertions, 26 deletions
diff --git a/modutils/Config.src b/modutils/Config.src index d0bae2ea3..5f0b0cec4 100644 --- a/modutils/Config.src +++ b/modutils/Config.src @@ -45,31 +45,22 @@ config FEATURE_CMDLINE_MODULE_OPTIONS Allow insmod and modprobe take module options from the applets' command line. +config FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED + bool "Skip loading of already loaded modules" + default y + depends on MODPROBE_SMALL && (DEPMOD || INSMOD || MODPROBE) + help + Check if the module is already loaded. + config FEATURE_2_4_MODULES bool "Support version 2.2/2.4 Linux kernels" default n - depends on (INSMOD || RMMOD || LSMOD) && !MODPROBE_SMALL + depends on (INSMOD || LSMOD || MODPROBE || RMMOD) && !MODPROBE_SMALL help Support module loading for 2.2.x and 2.4.x Linux kernels. This increases size considerably. Say N unless you plan to run ancient kernels. -config FEATURE_INSMOD_TRY_MMAP - bool "Try to load module from a mmap'ed area" - default n - depends on INSMOD && !MODPROBE_SMALL - help - This option causes module loading code to try to mmap - module first. If it does not work (for example, - it does not work for compressed modules), module will be read - (and unpacked if needed) into a memory block allocated by malloc. - - The only case when mmap works but malloc does not is when - you are trying to load a big module on a very memory-constrained - machine. Malloc will momentarily need 2x as much memory as mmap. - - Choosing N saves about 250 bytes of code (on 32-bit x86). - config FEATURE_INSMOD_VERSION_CHECKING bool "Enable module version checking" default n @@ -113,7 +104,7 @@ config FEATURE_INSMOD_LOAD_MAP config FEATURE_INSMOD_LOAD_MAP_FULL bool "Symbols in load map" default y - depends on FEATURE_INSMOD_LOAD_MAP && !MODPROBE_SMALL + depends on FEATURE_INSMOD_LOAD_MAP help Without this option, -m will only output section load map. With this option, -m will also output @@ -129,6 +120,22 @@ config FEATURE_CHECK_TAINTED_MODULE support request. This option is required to support GPLONLY modules. +config FEATURE_INSMOD_TRY_MMAP + bool "Try to load module from a mmap'ed area" + default n + depends on (INSMOD || MODPROBE) && !MODPROBE_SMALL + help + This option causes module loading code to try to mmap + module first. If it does not work (for example, + it does not work for compressed modules), module will be read + (and unpacked if needed) into a memory block allocated by malloc. + + The only case when mmap works but malloc does not is when + you are trying to load a big module on a very memory-constrained + machine. Malloc will momentarily need 2x as much memory as mmap. + + Choosing N saves about 250 bytes of code (on 32-bit x86). + config FEATURE_MODUTILS_ALIAS bool "Support module.aliases file" default y diff --git a/modutils/modprobe-small.c b/modutils/modprobe-small.c index 726a3108c..d6f481415 100644 --- a/modutils/modprobe-small.c +++ b/modutils/modprobe-small.c @@ -8,14 +8,8 @@ * Licensed under GPLv2, see file LICENSE in this source tree. */ -/* config MODPROBE_SMALL is defined in Config.src to ensure better "make config" order */ - -//config:config FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED -//config: bool "Skip loading of already loaded modules" -//config: default y -//config: depends on MODPROBE_SMALL && (DEPMOD || INSMOD || MODPROBE) -//config: help -//config: Check if the module is already loaded. +/* modprobe-small configs are defined in Config.src to ensure better + * "make config" order */ //applet:IF_LSMOD( IF_MODPROBE_SMALL(APPLET(lsmod, BB_DIR_SBIN, BB_SUID_DROP))) //applet:IF_MODPROBE(IF_MODPROBE_SMALL(APPLET(modprobe, BB_DIR_SBIN, BB_SUID_DROP))) |