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authorRob Landley <rob@landley.net>2013-08-01 16:31:59 +1000
committerStephen Rothwell <sfr@canb.auug.org.au>2013-08-01 16:31:59 +1000
commit80c065d2a7cabc5ad11229d712cc79b49519641c (patch)
treeed0d81a582fd4b94a62f34468fcdabc0d16bfc05
parent552a6b734ab063fb19cf0b49d913223970b71ee0 (diff)
initmpfs-use-initramfs-if-rootfstype=-or-root=-specified-fix
Signed-off-by: Rob Landley <rob@landley.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--Documentation/filesystems/ramfs-rootfs-initramfs.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/filesystems/ramfs-rootfs-initramfs.txt b/Documentation/filesystems/ramfs-rootfs-initramfs.txt
index 59b4a0962e0f..b176928e6963 100644
--- a/Documentation/filesystems/ramfs-rootfs-initramfs.txt
+++ b/Documentation/filesystems/ramfs-rootfs-initramfs.txt
@@ -79,6 +79,10 @@ to just make sure certain lists can't become empty.
Most systems just mount another filesystem over rootfs and ignore it. The
amount of space an empty instance of ramfs takes up is tiny.
+If CONFIG_TMPFS is enabled, rootfs will use tmpfs instead of ramfs by
+default. To force ramfs, add "rootfstype=ramfs" to the kernel command
+line.
+
What is initramfs?
------------------