From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-80007.amazon.com (smtp-fw-80007.amazon.com [99.78.197.218]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C77B61AA782 for ; Mon, 17 Mar 2025 20:28:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=99.78.197.218 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742243295; cv=none; b=KJMoKElU8OiWY8ebDrYnszdWV/Im0TlSeLDNdgjkqGKkuAK6daYZCGJC5jqSJ3mSGMQp8itccWblYm3697U0D6WL9oLh8Jw0bdCJ4RXM/S9qBB31PpPeXj8BY3mz/LbyMbdF7efWEueYN7M+2pHeE6qqRkd6C/uCYYMWQuxtXk8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742243295; c=relaxed/simple; bh=zLL0jXEXMrt+pnXt4cxgPUgpdmdvOtndXaXQPcP/ksk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=s1XcoJSpGaUqfNVlVAsQ1y581DoBamG3HIB1i3Cmi2WjyUoMTChzo6fNiR5hY55J0cYBSq/OLxdaQiW7rawMJ+/zP58+kJpthcpgF53JnZCw0wNAeCXqMgYdUlAwDnb3b1DDF07mn0Az9rjx2Lk4soEHSTSYf+fbv6AA+BFtdyg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.co.jp; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b=iq09KKlU; arc=none smtp.client-ip=99.78.197.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.co.jp Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="iq09KKlU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1742243293; x=1773779293; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WkhHVdpj7b0/JHwekw96h07HK6MTELFfDovpEU+wZtQ=; b=iq09KKlUKyzrfuRSfj4eEnYK8TFDX987TBHZostpLqLtCEmJS9oeavjZ sseSnc+fPvZZbaWZ2jeJ2CaUawFQW8c67ja8hkjwQUCOr10V9ZkBVE/gQ 9HqeF4z6szpHWYhCLdyjCbkPOJxiuKzd4xRSvTUszQw4gv73X6Hf2L0Ua Y=; X-IronPort-AV: E=Sophos;i="6.14,254,1736812800"; d="scan'208";a="387469479" Received: from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.25.36.210]) by smtp-border-fw-80007.pdx80.corp.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2025 20:28:11 +0000 Received: from EX19MTAUWC002.ant.amazon.com [10.0.7.35:21920] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.9.151:2525] with esmtp (Farcaster) id 847d888c-792f-40fb-879e-0d9013872d44; Mon, 17 Mar 2025 20:28:11 +0000 (UTC) X-Farcaster-Flow-ID: 847d888c-792f-40fb-879e-0d9013872d44 Received: from EX19D004ANA001.ant.amazon.com (10.37.240.138) by EX19MTAUWC002.ant.amazon.com (10.250.64.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Mon, 17 Mar 2025 20:28:03 +0000 Received: from 6c7e67bfbae3.amazon.com (10.106.100.54) by EX19D004ANA001.ant.amazon.com (10.37.240.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Mon, 17 Mar 2025 20:28:00 +0000 From: Kuniyuki Iwashima To: CC: , , , , , , , Subject: Re: [PATCH net-next 2/2] tcp/dccp: remove icsk->icsk_ack.timeout Date: Mon, 17 Mar 2025 13:27:49 -0700 Message-ID: <20250317202751.24641-1-kuniyu@amazon.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250317151401.3439637-3-edumazet@google.com> References: <20250317151401.3439637-3-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D032UWB002.ant.amazon.com (10.13.139.190) To EX19D004ANA001.ant.amazon.com (10.37.240.138) From: Eric Dumazet Date: Mon, 17 Mar 2025 15:14:01 +0000 > icsk->icsk_ack.timeout can be replaced by icsk->csk_delack_timer.expires > > This saves 8 bytes in TCP/DCCP sockets and helps for better cache locality. > > Signed-off-by: Eric Dumazet Reviewed-by: Kuniyuki Iwashima