From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pdx-out-008.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-008.esa.us-west-2.outbound.mail-perimeter.amazon.com [52.42.203.116]) (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 E035C3F871B; Fri, 4 Sep 2026 12:08:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.42.203.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788523729; cv=none; b=g9NtSSXIjW2fA5H+sANeVVqGcKudueAzN43hJoSJqiR+ickDfS4oQQCzQnWnvEWHgqZv1o1kf7u3YvnWFx1oa3e3HLYpn1W9vvrITYRffAQf4KIkaWn0cXj1gZonkmM+fdvc5gXWWS5svmowsoaNE6PLvnc2bqWD8fgvViqox+U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788523729; c=relaxed/simple; bh=yeQfZRe37uTQFMCzdgM6w8pnuJQjYBmF7q9HtXaNyyM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MrRucp8s5wALC1K6N2ojzLmysggiGXZtU6xziALTNEZM/5JQ+jg10LA5CtfZRjkelpSsJmQ37k4iDPLlFDB6RRigQLva8273zmyffdVjELeB8AGQM+TmZWV2xnJoFyrmNMaiDeM8QLfo/X8WvrkDaRyaLVE8TBFArz22jrJg8e8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.it; spf=pass smtp.mailfrom=amazon.it; dkim=pass (2048-bit key) header.d=amazon.it header.i=@amazon.it header.b=PA++hPy+; arc=none smtp.client-ip=52.42.203.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.it header.i=@amazon.it header.b="PA++hPy+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.it; i=@amazon.it; q=dns/txt; s=amazoncorp2; t=1788523727; x=1820059727; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yeQfZRe37uTQFMCzdgM6w8pnuJQjYBmF7q9HtXaNyyM=; b=PA++hPy+Uy/nAlaRkw8TmePgapMZWazidL6H3fdyrJ+7mHeFwMvi9tCz yoyBYyp0uZDtv7OcIqUlElOn/0ETcB9Y9/gOP35ImSvt3KeQyik9LVIeX U8ZXlhgpQbyoKbFaAVgzLHFYN22sVZzgYyaWmKopJZXWa3Ar59zKGknnE VY6TmL0yKXez7O5saMdQDvdfzrmwa51VVVpzZvkVDPiXY7DdurNbsckSU dXeK4X2hqAWOTPtmzZKmle8krrCk6tPMTajlR5IHN9Drgxy+V6H9p69LM WUYSwGbcQqEk+8uzC3OXeL7WUEZ3jrPz5CFhf0eYdy6TVWzHiDUULmhiI A==; X-CSE-ConnectionGUID: d/CPTFUJSGSK9F4J3yp0GQ== X-CSE-MsgGUID: aQlVFFEmSDOk9HvK8nEqgg== X-IronPort-AV: E=Sophos;i="6.25,262,1779148800"; d="scan'208";a="27848437" Received: from ip-10-5-12-219.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.12.219]) by internal-pdx-out-008.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2026 12:08:47 +0000 Received: from EX19MTAUWB002.ant.amazon.com [205.251.233.48:18188] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.14.124:2525] with esmtp (Farcaster) id e2747aa3-2a41-48cc-9cc9-c0602878100e; Fri, 4 Sep 2026 12:08:47 +0000 (UTC) X-Farcaster-Flow-ID: e2747aa3-2a41-48cc-9cc9-c0602878100e Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWB002.ant.amazon.com (10.250.64.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.45; Fri, 4 Sep 2026 12:08:46 +0000 Received: from dev-dsk-dipiets-1b-77b833da.eu-west-1.amazon.com (10.253.66.177) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.46; Fri, 4 Sep 2026 12:08:42 +0000 From: Salvatore Dipietro To: CC: , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v3] mm/page_alloc: avoid direct compaction for costly __GFP_NORETRY allocations Date: Fri, 4 Sep 2026 12:08:28 +0000 Message-ID: <20260904120828.4022204-1-dipiets@amazon.it> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: EX19D032UWA001.ant.amazon.com (10.13.139.62) To EX19D001UWA001.ant.amazon.com (10.13.138.214) Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi Christoph, On Tue, Sep 02, 2026 at 10:47:00AM +0000, Christoph Hellwig wrote: > This looks really nice. Can you turn this into a formal patch? I've submitted it as a formal patch: https://lore.kernel.org/all/20260904115629.3993331-1-dipiets@amazon.it/ Salvatore AMAZON DEVELOPMENT CENTER ITALY SRL, viale Monte Grappa 3/5, 20124 Milano, Italia, Registro delle Imprese di Milano Monza Brianza Lodi REA n. 2504859, Capitale Sociale: 10.000 EUR i.v., Cod. Fisc. e P.IVA 10100050961, Societa con Socio Unico