On Mon, 2007-02-19 at 21:49 +0100, Jiri Benc wrote:
> Couldn't we just allow embedding of wiphy into a custom structure?
> Something like:
>
> struct ieee80211_hw {
> struct wiphy wiphy;
> ...
> }
>
> This way the memory could become less fragmented and less pointer
> dereferencing would be needed.
Actually, if you look at the memory layout in ieee80211.c, struct
ieee80211_hw is part of the private area allocated along with the struct
wiphy, so it really is:
[internal stuff]
struct wiphy {
...
}
struct ieee80211_hw {
...
}
What we could do is add
static inline struct wiphy *priv_to_wiphy(void *priv)
{
return container_of(priv, struct wiphy, priv);
}
to the net/wireless.h header. Then we could drop the wiphy field
completely.
johannes
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