From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B9EA1091916 for ; Thu, 19 Mar 2026 21:23:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 036F410E7D8; Thu, 19 Mar 2026 21:23:14 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=igalia.com header.i=@igalia.com header.b="o8Vby54P"; dkim-atps=neutral Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) by gabe.freedesktop.org (Postfix) with ESMTPS id E48AD10E496 for ; Thu, 19 Mar 2026 21:23:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Cc:To:Content-Transfer-Encoding:Content-Type:MIME-Version: Message-Id:Date:Subject:From:Sender:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=8/R6yZAGEx2BsCN9a2u1A7i8vpkAxC4xE8k2euMEcN8=; b=o8Vby54Pe9SvVlZ8SQmoO/mgOg KqDIt0YXczetkiG5y+RBhf4sW2uKbo13EOV0/gGbZN6Bm9C5rklWjBYverjCVQO/E8aS252SPqiXW STumDJd7HqjXZMuKc2zudV68SfgtYC3lVGUaQEBeVoCX5yRTnrWDybdD2XUzipp3Tlkp4uxHJSHs6 wTBYv0eOHCu4IRNLW2MFrztTl4i75unPHF+4c522r6lWjXn0jlWYcMykY+Z2SsEk35Td9vMEuM9T6 XMWwzZctrvdgO/rYg2PnjIZt6mQBR7o7ctmlJRkaeXSk2Mp1up1RGWPAxPtVlvQfryjM3PTKvnwoZ OIoEq7+Q==; Received: from 179-125-87-252-dinamico.pombonet.net.br ([179.125.87.252] helo=[127.0.0.1]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1w3KpW-003VvC-0f; Thu, 19 Mar 2026 22:22:58 +0100 From: Thadeu Lima de Souza Cascardo Subject: [PATCH v2 0/3] cgroup/dmem: allow atomic irrestrictive writes to dmem.max Date: Thu, 19 Mar 2026 18:22:41 -0300 Message-Id: <20260319-dmem_max_ebusy-v2-0-b5ce97205269@igalia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-B4-Tracking: v=1; b=H4sIACJpvGkC/3XMyw6CMBCF4Vchs7aGabmoK9/DENLCFCaxYFptI IR3t7J3+Z/kfBsE8kwBbtkGniIHnqcU8pRBN+ppIMF9apC5rHKFF9E7cq3TS0vmE1ZhbK9UWRV WdgrS6eXJ8nKAjyb1yOE9+/XwI/7Wv1REgcLUVFSIZW3k9c6DfrI+d7ODZt/3L/G8uJetAAAA X-Change-ID: 20260318-dmem_max_ebusy-bfd33564f2c3 To: Maarten Lankhorst , Maxime Ripard , Natalie Vock , Tejun Heo , Johannes Weiner , =?utf-8?q?Michal_Koutn=C3=BD?= Cc: cgroups@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Thadeu Lima de Souza Cascardo , kernel-dev@igalia.com X-Mailer: b4 0.14.2 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" V2hlbiB3cml0aW5nIHRvIGRtZW0ubWF4LCBpdCB3YXMgbm90aWNlZCB0aGF0IHNvbWUgd3JpdGVz IGRpZCBub3QgdGFrZQplZmZlY3QsIGV2ZW4gdGhvdWdoIHRoZSB3cml0ZSB3YXMgc3VjY2Vzc2Z1 bC4KCkl0IHR1cm5zIG91dCB0aGF0IHBhZ2VfY291bnRlcl9zZXRfbWF4IGNoZWNrcyBpZiB0aGUg bmV3IG1heCB2YWx1ZSBpcyBhYm92ZQp0aGUgY3VycmVudCB1c2FnZSBhbmQgcmV0dXJucyAtRUJV U1kgaW4gY2FzZSBpdCBpcywgd2hpY2ggd2FzIGJlaW5nIGlnbm9yZWQKYnkgZG1lbWNnX2xpbWl0 X3dyaXRlLgoKSXQgd2FzIGFsc28gbm90aWNlZCB0aGF0IHdoZW4gc2V0dGluZyBsaW1pdHMgZm9y IG11bHRpcGxlIHJlZ2lvbnMgaW4gYQpzaW5nbGUgd3JpdGUsIHdoaWxlIHNldHRpbmcgb25lIHJl Z2lvbidzIGxpbWl0IG1heSBmYWlsLCBvdGhlcnMgbWlnaHQgaGF2ZQpzdWNjZWVkZWQgYmVmb3Jl LiBUZWp1biBIZW8gYnJvdWdodCB1cCB0aGF0IHRoaXMgYnJlYWtzIGF0b21pY2l0eS4KCk1hYXJ0 ZW4gTGFua2hvcnN0IGFuZCBNaWNoYWwgS291dG7DvSBoYXZlIGJyb3VnaHQgdXAgdGhhdCBpbnN0 ZWFkIG9mCmZhaWxpbmcsIHNldHRpbmcgbWF4IGJlbG93IHRoZSBjdXJyZW50IHVzYWdlIHNob3Vs ZCBiZWhhdmUgbGlrZSBtZW1jZyBhbmQKc3RhcnQgZXZpY3Rpb24gdW50aWwgdXNhZ2UgZ29lcyBi ZWxvdyB0aGUgbmV3IG1heC4KCkhvd2V2ZXIsIHNpbmNlIHRoZXJlIGlzIG5vIGN1cnJlbnQgbWVj aGFuaXNtIHRvIGV2aWN0IGEgZ2l2ZW4gcmVnaW9uLCB0aGV5CnN1Z2dlc3QgdGhhdCBzZXR0aW5n IHRoZSBuZXcgbWF4IHdpbGwgYXQgbGVhc3QgcHJldmVudCBmdXJ0aGVyIGFsbG9jYXRpb25zLgoK djEga2VwdCB0aGUgbXVsdGlwbGUgcmVnaW9uIHN1cHBvcnQgd2hlbiB3cml0aW5nIHRvIGxpbWl0 IGZpbGVzLCB3aGlsZQpyZXR1cm5pbmcgLUVCVVNZIGFzIHNvb24gYXMgc2V0dGluZyBhIHJlZ2lv bidzIG1heCB3YXMgYWJvdmUgdGhlIHVzYWdlLgoKVGhpcyB2ZXJzaW9uICh2Mikgb25seSBhbGxv d3Mgc2V0dGluZyBhIHNpbmdsZSByZWdpb24gbGltaXQgcGVyIHdyaXRlLAp3aGlsZSBhbGxvd2lu ZyBhbnkgbmV3IG1heCB0byBiZSBzZXQuCgpTaWduZWQtb2ZmLWJ5OiBUaGFkZXUgTGltYSBkZSBT b3V6YSBDYXNjYXJkbyA8Y2FzY2FyZG9AaWdhbGlhLmNvbT4KLS0tCkNoYW5nZXMgaW4gdjI6Ci0g UmVtb3ZlIHN1cHBvcnQgZm9yIHNldHRpbmcgbXVsdGlwbGUgcmVnaW9ucycgbGltaXRzLgotIEFs bG93IGFueSBuZXcgbWF4IGxpbWl0IHRvIGJlIHNldC4KLSBMaW5rIHRvIHYxOiBodHRwczovL2xv cmUua2VybmVsLm9yZy9yLzIwMjYwMzE4LWRtZW1fbWF4X2VidXN5LXYxLTEtYjdlNDYxMTU3YjI5 QGlnYWxpYS5jb20KCi0tLQpUaGFkZXUgTGltYSBkZSBTb3V6YSBDYXNjYXJkbyAoMyk6CiAgICAg IGNncm91cC9kbWVtOiByZW1vdmUgcmVnaW9uIHBhcmFtZXRlciBmcm9tIGRtZW1jZ19wYXJzZV9s aW1pdAogICAgICBjZ3JvdXAvZG1lbTogYWNjZXB0IGEgc2luZ2xlIHJlZ2lvbiB3aGVuIHdyaXRp bmcgdG8gYXR0cmlidXRlcwogICAgICBjZ3JvdXAvZG1lbTogYWxsb3cgbWF4IHRvIGJlIHNldCBi ZWxvdyBjdXJyZW50IHVzYWdlCgoga2VybmVsL2Nncm91cC9kbWVtLmMgfCA3NCArKysrKysrKysr KysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdl ZCwgMzIgaW5zZXJ0aW9ucygrKSwgNDIgZGVsZXRpb25zKC0pCi0tLQpiYXNlLWNvbW1pdDogZjMz OGU3NzM4Mzc4OWMwY2FlMjNjYTNkNDhhZGNjNWU5ZTEzN2UzYwpjaGFuZ2UtaWQ6IDIwMjYwMzE4 LWRtZW1fbWF4X2VidXN5LWJmZDMzNTY0ZjJjMwoKQmVzdCByZWdhcmRzLAotLSAKVGhhZGV1IExp bWEgZGUgU291emEgQ2FzY2FyZG8gPGNhc2NhcmRvQGlnYWxpYS5jb20+Cgo=