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Commit 3f5ccd06 authored by Johannes Berg's avatar Johannes Berg Committed by David S. Miller
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genetlink: make genl_ops flags a u8 and move to end 



To save some space in the struct on 32-bit systems,
make the flags a u8 (only 4 bits are used) and also
move them to the end of the struct.

This has no impact on 64-bit systems as alignment of
the struct in an array uses up the space anyway.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4534de83

include/net/genetlink.h

+3 −3
Original line number Diff line number Diff line
@@ -112,15 +112,15 @@ static inline void genl_info_net_set(struct genl_info *info, struct net *net) 
 * @ops_list: operations list

 */

struct genl_ops {

	u8			cmd;

	u8			internal_flags;

	unsigned int		flags;

	const struct nla_policy	*policy;

	int		       (*doit)(struct sk_buff *skb,

				       struct genl_info *info);

	int		       (*dumpit)(struct sk_buff *skb,

					 struct netlink_callback *cb);

	int		       (*done)(struct netlink_callback *cb);

	u8			cmd;

	u8			internal_flags;

	u8			flags;

};



int __genl_register_family(struct genl_family *family);