On Fri, 2011-07-22 at 20:58 +0100, Michał Mirosław wrote: > 2011/7/22 Ian Campbell <ian.campbell@xxxxxxxxxx>: > > diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h > > index 9818fe2..faee8d3 100644 > > --- a/include/linux/skbuff.h > > +++ b/include/linux/skbuff.h > > @@ -1134,12 +1134,14 @@ static inline int skb_pagelen(const struct sk_buff *skb) > > * Does not take any additional reference on the fragment. > > */ > > static inline void __skb_fill_page_desc(struct sk_buff *skb, int i, > > - struct page *page, int off, int size) > > + struct page *page, > > + struct skb_frag_destructor *destroy, > > + int off, int size) > > { > > skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; > > > > frag->page.p = page; > > - frag->page.destructor = NULL; > > + frag->page.destructor = destroy; > > frag->page_offset = off; > > frag->size = size; > > } > > You could just rename this function to e.g. > __skb_fill_fragile_page_desc() (or whatever name) add an inline > wrapper calling it with destroy == NULL. This will avoid touching all > those drivers which won't ever need this functionality. I could call this variant __skb_frag_init (which I think better fits into the pattern of the new functions) and leave the existing __skb_fill_page_desc as a compat wrapper if that's preferred but I was trying to avoid duplicating up constructors just for different sets of defaults. Ian. -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html