From: Andrew Morton <akpm@osdl.org>

Cc: Eric Dumazet <dada1@cosmosbay.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/linux/fs.h |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff -puN include/linux/fs.h~reduce-sizeofstruct-file-fix include/linux/fs.h
--- devel/include/linux/fs.h~reduce-sizeofstruct-file-fix	2005-10-11 00:34:48.000000000 -0700
+++ devel-akpm/include/linux/fs.h	2005-10-11 00:34:48.000000000 -0700
@@ -574,13 +574,14 @@ struct file_ra_state {
 #define RA_FLAG_INCACHE 0x02	/* file is already in cache */
 
 struct file {
-/*
- * f_list and f_rcuhead can share the same memory location
- */
+	/*
+	 * fu_list becomes invalid after file_free is called and queued via
+	 * fu_rcuhead for RCU freeing
+	 */
 	union {
 		struct list_head	fu_list;
 		struct rcu_head 	fu_rcuhead;
-		} f_u;
+	} f_u;
 	struct dentry		*f_dentry;
 	struct vfsmount         *f_vfsmnt;
 	struct file_operations	*f_op;
_