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Commit 2c693610 authored by Richard Kennedy's avatar Richard Kennedy Committed by David S. Miller
Browse files

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



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: default avatarRichard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4ad3f261

include/linux/net.h

+2 −2
Original line number Diff line number Diff line
@@ -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;