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The drop reasons of > it just come from pskb_may_pull_reason. No object code changes I guess? Have you checked it via scripts/bloat-o-meter? > > Signed-off-by: Menglong Dong > --- > include/linux/skbuff.h | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h > index cf8f6ce06742..fe6f97b550fc 100644 > --- a/include/linux/skbuff.h > +++ b/include/linux/skbuff.h > @@ -3114,9 +3114,15 @@ static inline int skb_inner_network_offset(const struct sk_buff *skb) > return skb_inner_network_header(skb) - skb->data; > } > > +static inline enum skb_drop_reason > +pskb_network_may_pull_reason(struct sk_buff *skb, unsigned int len) > +{ > + return pskb_may_pull_reason(skb, skb_network_offset(skb) + len); > +} > + > static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len) > { > - return pskb_may_pull(skb, skb_network_offset(skb) + len); > + return pskb_network_may_pull_reason(skb, len) == SKB_NOT_DROPPED_YET; > } > > /* Thanks, Olek