Messages in this thread Patch in this message | | | Subject | [PATCH] net: remove padding from struct socket on 64bit & increase objects/cache | From | Richard Kennedy <> | Date | Mon, 07 Jul 2008 12:58:10 +0100 |
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remove padding from struct socket reducing its size by 8 bytes.
This allows more objects/cache in sock_inode_cache 12 objects/cache when cacheline size is 128 (generic x86_64)
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk> ----
compiled & booted on 2.6.26-rc8
Richard
diff --git a/include/linux/net.h b/include/linux/net.h index 71f7dd5..150a48c 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -106,23 +106,23 @@ enum sock_shutdown_cmd { /** * struct socket - general BSD socket * @state: socket state (%SS_CONNECTED, etc) + * @type: socket type (%SOCK_STREAM, etc) * @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc) * @ops: protocol specific socket operations * @fasync_list: Asynchronous wake up list * @file: File back pointer for gc * @sk: internal networking protocol agnostic socket representation * @wait: wait queue for several uses - * @type: socket type (%SOCK_STREAM, etc) */ struct socket { socket_state state; + short type; unsigned long flags; const struct proto_ops *ops; struct fasync_struct *fasync_list; struct file *file; struct sock *sk; wait_queue_head_t wait; - short type; }; struct vm_area_struct;
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