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-rw-r--r--Documentation/m68k/kernel-options.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/m68k/kernel-options.txt b/Documentation/m68k/kernel-options.txt
index c93bed6..97d45f2 100644
--- a/Documentation/m68k/kernel-options.txt
+++ b/Documentation/m68k/kernel-options.txt
@@ -129,6 +129,20 @@ decimal 11 is the major of SCSI CD-ROMs, and the minor 0 stands for
the first of these. You can find out all valid major numbers by
looking into include/linux/major.h.
+In addition to major and minor numbers, if the device containing your
+root partition uses a partition table format with unique partition
+identifiers, then you may use them. For instance,
+"root=PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF". It is also
+possible to reference another partition on the same device using a
+known partition UUID as the starting point. For example,
+if partition 5 of the device has the UUID of
+00112233-4455-6677-8899-AABBCCDDEEFF then partition 3 may be found as
+follows:
+ PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF/PARTNROFF=-2
+
+Authoritative information can be found in
+"Documentation/kernel-parameters.txt".
+
2.2) ro, rw
-----------