kernel-api docbook: fix content problems

Fix kernel-api docbook contents problems.

docproc: linux-2.6.23-git13/include/asm-x86/unaligned_32.h: No such file or directory
Warning(linux-2.6.23-git13//include/linux/list.h:482): bad line: 			of list entry
Warning(linux-2.6.23-git13//mm/filemap.c:864): No description found for parameter 'ra'
Warning(linux-2.6.23-git13//block/ll_rw_blk.c:3760): No description found for parameter 'req'
Warning(linux-2.6.23-git13//include/linux/input.h:1077): No description found for parameter 'private'
Warning(linux-2.6.23-git13//include/linux/input.h:1077): No description found for parameter 'cdev'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: WU Fengguang <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/list.h b/include/linux/list.h
index b0cf0135..75ce2cb 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -478,8 +478,7 @@
 		pos = n, n = pos->next)
 
 /**
- * list_for_each_prev_safe - iterate over a list backwards safe against removal
-			of list entry
+ * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
  * @pos:	the &struct list_head to use as a loop cursor.
  * @n:		another &struct list_head to use as temporary storage
  * @head:	the head for your list.