mm/page_isolation: do some cleanup in "undo_isolate_page_range"

[linux-2.6-block.git] / Documentation / printk-formats.txt

diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index b784c270105f40e8320cd388cb9a8ef1e2d463f4..6389551bbad6a7971b89e53451428d3b77b4e8d0 100644 (file)
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -250,6 +250,12 @@ dentry names:
 
        Passed by reference.
 
+block_device names:
+
+       %pg     sda, sda1 or loop0p1
+
+       For printing name of block_device pointers.
+
 struct va_format:
 
        %pV