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-rw-r--r--drivers/base/Kconfig7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index fd52c48ee76..ef38aff737e 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