BUF_HEADROOM      649 net/tipc/config.c 				  BUF_HEADROOM + MAX_H_SIZE + sizeof(*rep_hdr));
BUF_HEADROOM      340 net/tipc/core.h 	unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u;
BUF_HEADROOM      344 net/tipc/core.h 		skb_reserve(skb, BUF_HEADROOM);