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Date: Mon, 24 Sep 2012 11:34:47 -0700 From: Vijay Subramanian <subramanian.vijay@...il.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: David Miller <davem@...emloft.net>, netdev@...r.kernel.org, Ben Hutchings <bhutchings@...arflare.com>, Alexander Duyck <alexander.h.duyck@...el.com> Subject: Re: [PATCH net-next v3] net: use a per task frag allocator > > Successfully tested on various ethernet devices. > (ixgbe, igb, bnx2x, tg3, mellanox mlx4) > > Signed-off-by: Eric Dumazet <edumazet@...gle.com> > Cc: Ben Hutchings <bhutchings@...arflare.com> > Cc: Vijay Subramanian <subramanian.vijay@...il.com> > Cc: Alexander Duyck <alexander.h.duyck@...el.com> > --- > v3: net/sched/em_meta.c bit pointed out by Vijay > v2: uses existing page_frag structure to hold page/offset/size > convert linear_to_page()/__ip_append_data()/ip6_append_data() > remove @page and @off fields from struct inet_cork > move the destructor from tcp_v4_destroy_sock() to sk_common_release With netperf (64KB send buffer) and with e1000e driver, I get 13% improvement with v3 of this patch. When I run netserver and netperf on separate cpus with taskset, I get 7% improvement. Tested-by: Vijay Subramanian <subramanian.vijay@...il.com> FYI, checkpatch complained about this patch with 4 lines over 80 characters (which probably be ignored I think) and one trailing space error. ERROR: trailing whitespace #443: FILE: net/ipv4/raw.c:139: +^Ipr_err("icmp_filter skb_transport_offset %d data-head %ld len %d/%d\n", $ Vijay -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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