From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 AEA6B346E7A for ; Wed, 5 Aug 2026 15:52:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785945164; cv=none; b=uI/e85JJ923WIpfd/53Mz55mVFl3ngMi6OJXaLWAWTV9/mXygZXMhm6MDe7DaVGAU62R7zVusluBqIp684gNOAbdMdwDk87nwgVixTLhQAxtGGF5pCBzf/aGtowkUnZaB1UZ62H8AupZCEaaOO3LrzMDtlKqVmR6qDU7IpdXFok= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785945164; c=relaxed/simple; bh=MsePk1m+udbJvMqvLHJwvl0zf0AC1GHwXH7nHfUPUC0=; h=From:To:Subject:Date:Message-ID:MIME-Version:content-type; b=KmScdRTFJll8/0j/SPts3jGbAdfcjlvIhDctsIp7yH8YnhST9n3A29Rk7uHj3hIq/EX2i1HlQ4DxbigoIIMVqn6H6BZ10wjidrCuZL9MhjfaT4rTht2SbyXRUqifPS2UyvtOO1NmA6FuM6NjWF2IdGSdWQVAeGQTT5X/CNCqWO4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ZQL0NrbJ; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZQL0NrbJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1785945161; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=bAE/E8+LofgbrkLvWM7mcgMtp9y4Vi3X0e2zeuRwBfo=; b=ZQL0NrbJgAl4ZAHrkJwKFUsa6tUnmlia97aiRoSGWOfiJO5iQ0Pe6klOWEDz6XbXrLOaV+ Hinydr3qX7TV1cd92HMUcfsqaTWRp2coyTMbnlFFXpl2mWDX7TY4KSkUKg65LRTG/TqxNc uS403FHUC+4CHFDSdkkZYkfeuUiFDJA= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-166-nDZpEYqEO0ilROnDWRI4pA-1; Wed, 05 Aug 2026 11:52:40 -0400 X-MC-Unique: nDZpEYqEO0ilROnDWRI4pA-1 X-Mimecast-MFC-AGG-ID: nDZpEYqEO0ilROnDWRI4pA_1785945159 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7EEA318000A2 for ; Wed, 5 Aug 2026 15:52:39 +0000 (UTC) Received: from gerbillo.redhat.com (unknown [10.44.49.40]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B761330001A2 for ; Wed, 5 Aug 2026 15:52:38 +0000 (UTC) From: Paolo Abeni To: mptcp@lists.linux.dev Subject: [PATCH mptcp-next 0/7] mptcp: address stall under memory pressure Date: Wed, 5 Aug 2026 17:52:22 +0200 Message-ID: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: myJOia3oDSQh2xqd_LvEiQabTU81yzffA4B9Ko0qxlI_1785945159 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true This *should* address opus-5 feedback, as observed upstream. Patches 2 and 6 are new, paches 3, 4 and 7 have been updated, see the individual changelog for the gory details. Paolo Abeni (7): mptcp: move the retrans loop to a separate helper mptcp: move the stale logic out of retrans scheduler mptcp: let the retrans scheduler do its job mptcp: explicitly drop over memory limits mptcp: enforce hard limit on backlog flushing mptcp: avoid code duplication in __mptcp_move_skb() mptcp: implemented OoO queue pruning net/mptcp/mib.c | 3 + net/mptcp/mib.h | 3 + net/mptcp/options.c | 32 ++++- net/mptcp/pm.c | 42 ++++--- net/mptcp/protocol.c | 272 +++++++++++++++++++++++++++++-------------- net/mptcp/protocol.h | 2 +- 6 files changed, 249 insertions(+), 105 deletions(-) -- 2.55.0