From 5b3dc2f37d7daf76a679cd204492ec5dff06bb8a Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Mon, 10 Apr 2017 11:11:17 +0300 Subject: net: neigh: make ->hh_len 32-bit Using 16-bit ->hh_len doesn't save any memory, save some .text instead: add/remove: 0/0 grow/shrink: 1/6 up/down: 2/-19 (-17) function old new delta neigh_update 2312 2314 +2 fwnet_header_cache 199 197 -2 eth_header_cache 101 99 -2 ip6_finish_output2 2371 2368 -3 vrf_finish_output6 1522 1518 -4 vrf_finish_output 1413 1409 -4 ip_finish_output2 1627 1623 -4 Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- include/net/neighbour.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include/net/neighbour.h') diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 9496179c7b4e..e4dd3a214034 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -450,7 +450,7 @@ static inline int neigh_hh_bridge(struct hh_cache *hh, struct sk_buff *skb) static inline int neigh_hh_output(const struct hh_cache *hh, struct sk_buff *skb) { unsigned int seq; - int hh_len; + unsigned int hh_len; do { seq = read_seqbegin(&hh->hh_lock); @@ -459,7 +459,7 @@ static inline int neigh_hh_output(const struct hh_cache *hh, struct sk_buff *skb /* this is inlined by gcc */ memcpy(skb->data - HH_DATA_MOD, hh->hh_data, HH_DATA_MOD); } else { - int hh_alen = HH_DATA_ALIGN(hh_len); + unsigned int hh_alen = HH_DATA_ALIGN(hh_len); memcpy(skb->data - hh_alen, hh->hh_data, hh_alen); } -- cgit v1.2.3-59-g8ed1b