From e0d7924a4aaadfb779178f00ff67e96c895eb5eb Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Sat, 19 Nov 2016 03:47:56 +0300 Subject: [PATCH] net: make struct napi_alloc_cache::skb_count unsigned int size_t is way too much for an integer not exceeding 64. Space savings: 10 bytes! add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-10 (-10) function old new delta napi_consume_skb 165 163 -2 __kfree_skb_flush 56 53 -3 __kfree_skb_defer 97 92 -5 Total: Before=154865639, After=154865629, chg -0.00% Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- net/core/skbuff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 0b2a6e9..4c96cb1 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -354,7 +354,7 @@ EXPORT_SYMBOL(build_skb); struct napi_alloc_cache { struct page_frag_cache page; - size_t skb_count; + unsigned int skb_count; void *skb_cache[NAPI_SKB_CACHE_SIZE]; }; -- 2.7.4