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-rw-r--r--Documentation/devices.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 8de132a02ba9..6c46730c631a 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -94,6 +94,8 @@ Your cooperation is appreciated.
9 = /dev/urandom Faster, less secure random number gen.
10 = /dev/aio Asynchronous I/O notification interface
11 = /dev/kmsg Writes to this come out as printk's
+ 12 = /dev/oldmem Used by crashdump kernels to access
+ the memory of the kernel that crashed.
1 block RAM disk
0 = /dev/ram0 First RAM disk