Thanks, applied to my queue of nfsd and locks stuff for 2.6.27 at:

git://linux-nfs.org/~bfields/linux.git for-2.6.27

--b.

On Fri, Jul 11, 2008 at 05:20:49PM -0700, akpm@linux-foundation.org wrote:
> Subject: file lock: reorder struct file_lock to save space on 64 bit builds
> From: Richard Kennedy
>
> Reduce sizeof struct file_lock by 8 on 64 bit builds allowing +1 objects
> per slab in the file_lock_cache
>
> Signed-off-by: Richard Kennedy
> Cc: "J. Bruce Fields"
> Signed-off-by: Andrew Morton
> ---
>
> include/linux/fs.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff -puN include/linux/fs.h~file-lock-reorder-struct-file_lock-to-save-space-on-64-bit-builds include/linux/fs.h
> --- a/include/linux/fs.h~file-lock-reorder-struct-file_lock-to-save-space-on-64-bit-builds
> +++ a/include/linux/fs.h
> @@ -952,12 +952,12 @@ struct file_lock {
> struct list_head fl_link; /* doubly linked list of all locks */
> struct list_head fl_block; /* circular list of blocked processes */
> fl_owner_t fl_owner;
> + unsigned char fl_flags;
> + unsigned char fl_type;
> unsigned int fl_pid;
> struct pid *fl_nspid;
> wait_queue_head_t fl_wait;
> struct file *fl_file;
> - unsigned char fl_flags;
> - unsigned char fl_type;
> loff_t fl_start;
> loff_t fl_end;
>
> _
>
> Patches currently in -mm which might be from richard@rsk.demon.co.uk are
>
> linux-next.patch
> shrink-struct-pid-by-removing-padding-on-64-bit-builds.patch
> file-lock-reorder-struct-file_lock-to-save-space-on-64-bit-builds.patch
>

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