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| author | Peter Korsgaard <jacmet@sunsite.dk> | 2010-03-16 21:55:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-21 09:37:30 -0700 |
| commit | da5e4ef7fdb8f2fb0878dee3bd9d4dd10cea8cf1 (patch) | |
| tree | 172df2771cbfbb8501aaf6e04c34b4fc1b3c7cca /drivers/base/Kconfig | |
| parent | 1653268b1b538981df9bb85d637456530938be6c (diff) | |
| download | blackbird-op-linux-da5e4ef7fdb8f2fb0878dee3bd9d4dd10cea8cf1.tar.gz blackbird-op-linux-da5e4ef7fdb8f2fb0878dee3bd9d4dd10cea8cf1.zip | |
devtmpfs: support !CONFIG_TMPFS
Make devtmpfs available on (embedded) configurations without SHMEM/TMPFS,
using ramfs instead.
Saves ~15KB.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/Kconfig')
| -rw-r--r-- | drivers/base/Kconfig | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index fd52c48ee762..ef38aff737eb 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -18,9 +18,9 @@ config UEVENT_HELPER_PATH config DEVTMPFS bool "Maintain a devtmpfs filesystem to mount at /dev" - depends on HOTPLUG && SHMEM && TMPFS + depends on HOTPLUG help - This creates a tmpfs filesystem instance early at bootup. + This creates a tmpfs/ramfs filesystem instance early at bootup. In this filesystem, the kernel driver core maintains device nodes with their default names and permissions for all registered devices with an assigned major/minor number. @@ -33,6 +33,9 @@ config DEVTMPFS functional /dev without any further help. It also allows simple rescue systems, and reliably handles dynamic major/minor numbers. + Notice: if CONFIG_TMPFS isn't enabled, the simpler ramfs + file system will be used instead. + config DEVTMPFS_MOUNT bool "Automount devtmpfs at /dev, after the kernel mounted the rootfs" depends on DEVTMPFS |
