Doc: document max raw dev number

Documenting description about max minor number of raw devices.

Signed-off-by: Kazuo Moriwaka <moriwaka@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 47a154f30290..b6251cca9263 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -2416,6 +2416,8 @@ Your cooperation is appreciated.
                   1 = /dev/raw/raw1     First raw I/O device
                   2 = /dev/raw/raw2     Second raw I/O device
                     ...
+                 max minor number of raw device is set by kernel config
+                 MAX_RAW_DEVS or raw module parameter 'max_raw_devs'
 
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