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net: remove padding from struct socket on 64bit & increase objects/cache

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Kennedy 2008-07-08 03:03:01 -07:00 • committed by David S. Miller
parent 4ad3f26162
commit 2c693610fe
1 changed files with 2 additions and 2 deletions
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4
include/linux/net.h
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@ -106,23 +106,23 @@ enum sock_shutdown_cmd {
/** /**
* struct socket - general BSD socket * struct socket - general BSD socket
* @state: socket state (%SS_CONNECTED, etc) * @state: socket state (%SS_CONNECTED, etc)
* @type: socket type (%SOCK_STREAM, etc)
* @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc) * @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc)
* @ops: protocol specific socket operations * @ops: protocol specific socket operations
* @fasync_list: Asynchronous wake up list * @fasync_list: Asynchronous wake up list
* @file: File back pointer for gc * @file: File back pointer for gc
* @sk: internal networking protocol agnostic socket representation * @sk: internal networking protocol agnostic socket representation
* @wait: wait queue for several uses * @wait: wait queue for several uses
* @type: socket type (%SOCK_STREAM, etc)
*/ */
struct socket { struct socket {
socket_state state; socket_state state;
short type;
unsigned long flags; unsigned long flags;
const struct proto_ops *ops; const struct proto_ops *ops;
struct fasync_struct *fasync_list; struct fasync_struct *fasync_list;
struct file *file; struct file *file;
struct sock *sk; struct sock *sk;
wait_queue_head_t wait; wait_queue_head_t wait;
short type;
}; };
struct vm_area_struct; struct vm_area_struct;