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-rw-r--r--Documentation/admin-guide/devices.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
index 6b71852dadc2..4ec843123cc3 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -3081,3 +3081,8 @@
1 = /dev/osd1 Second OSD Device
...
255 = /dev/osd255 256th OSD Device
+
+ 384-511 char RESERVED FOR DYNAMIC ASSIGNMENT
+ Character devices that request a dynamic allocation of major
+ number will take numbers starting from 511 and downward,
+ once the 234-254 range is full.