From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-80009.amazon.com (smtp-fw-80009.amazon.com [99.78.197.220]) (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 EE7831381 for ; Tue, 19 Dec 2023 00:46:27 +0000 (UTC) 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="hjpyFY5/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1702946787; x=1734482787; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RyyCn35duNjzcFkQjiTlLR2jcSJuUyc1e0PIfM6JdIk=; b=hjpyFY5/5jD2a2j5yQhgXwR1xlKDOu8mc4mIHhyy4ddKIza4kX9O5IeL /fw2Vjg4PNsfJh5TA7wPKIOU/fqbquVBsHPWZxtkqrlu9X+3eW1/3RmXd orcaIGbUO9T4Ki5Qr1wkfOvfGLA/r7vMKH/9F+rNBKDJ9KYCbUlDpu/Ku I=; X-IronPort-AV: E=Sophos;i="6.04,287,1695686400"; d="scan'208";a="52106202" Received: from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO email-inbound-relay-iad-1a-m6i4x-96feee09.us-east-1.amazon.com) ([10.25.36.210]) by smtp-border-fw-80009.pdx80.corp.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Dec 2023 00:46:25 +0000 Received: from smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev (iad7-ws-svc-p70-lb3-vlan2.iad.amazon.com [10.32.235.34]) by email-inbound-relay-iad-1a-m6i4x-96feee09.us-east-1.amazon.com (Postfix) with ESMTPS id 593B249AE3; Tue, 19 Dec 2023 00:46:23 +0000 (UTC) Received: from EX19MTAUWB002.ant.amazon.com [10.0.21.151:44164] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.34.165:2525] with esmtp (Farcaster) id 420226b0-4f4a-41e3-8a64-dee1ba6d386b; Tue, 19 Dec 2023 00:46:22 +0000 (UTC) X-Farcaster-Flow-ID: 420226b0-4f4a-41e3-8a64-dee1ba6d386b Received: from EX19D004ANA001.ant.amazon.com (10.37.240.138) by EX19MTAUWB002.ant.amazon.com (10.250.64.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 19 Dec 2023 00:46:21 +0000 Received: from 88665a182662.ant.amazon.com (10.118.248.48) 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 15.2.1118.40; Tue, 19 Dec 2023 00:46:18 +0000 From: Kuniyuki Iwashima To: CC: , , , , , , Subject: [PATCH v3 net-next 0/4] af_unix: Random improvements for GC. Date: Tue, 19 Dec 2023 09:46:09 +0900 Message-ID: <20231219004609.12656-1-kuniyu@amazon.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20231218075020.60826-1-kuniyu@amazon.com> References: <20231218075020.60826-1-kuniyu@amazon.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: EX19D035UWA003.ant.amazon.com (10.13.139.86) To EX19D004ANA001.ant.amazon.com (10.37.240.138) Precedence: Bulk From: Kuniyuki Iwashima Date: Mon, 18 Dec 2023 16:50:16 +0900 > If more than 16000 inflight AF_UNIX sockets exist on a host, each > sendmsg() will be forced to wait for unix_gc() even if a process > is not sending any FD. > > This series tries not to impose such a penalty on sane users who > do not send AF_UNIX FDs or do not have inflight sockets more than > SCM_MAX_FD * 8. > > > Changes: > v3: Just noticed the patch 4 needs --3way to apply, probably due to the recent io_uring commit. I'll rebase on the latest and repost v4 to make patchwork happy. Sorry for the noise. --- pw-bot: cr