It doesn't work. I tested this both in system booted
using initramfs and in system booted from real root
device directly

Signed-off-by: Askar Safin <safinas...@gmail.com>
---
 Documentation/admin-guide/devices.txt | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/Documentation/admin-guide/devices.txt 
b/Documentation/admin-guide/devices.txt
index 27835389ca49..6ce0940233a8 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -138,12 +138,6 @@
                number for BSD PTY devices.  As of Linux 2.1.115, this
                is no longer supported.  Use major numbers 2 and 3.
 
-   4 block     Aliases for dynamically allocated major devices to be used
-               when its not possible to create the real device nodes
-               because the root filesystem is mounted read-only.
-
-                  0 = /dev/root
-
    5 char      Alternate TTY devices
                  0 = /dev/tty          Current TTY device
                  1 = /dev/console      System console
-- 
2.47.2


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