From patchwork Mon Aug 26 08:47:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Hocko X-Patchwork-Id: 13777442 Received: from mail-ed1-f51.google.com (mail-ed1-f51.google.com [209.85.208.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E10918027; Mon, 26 Aug 2024 08:53:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724662438; cv=none; b=IW9EFmca9eI8q82Kb/WrBXL/T/2xWDl0pSJ7nJ0EDjnjUqxWzKg5uFpSmeA9wWHufZUNVK0CxeRYhluASG5wSeQVLVjE9/8sAhBmZTo/du7WCWmnqI/KkMErdBV2jFr2Z220sldeYNUOj9qKz8uoTlKLYQNVk4cVlyFnoSCslxE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724662438; c=relaxed/simple; bh=38PYgfBDOgmNZ6SWVY3f4zWpCuTfdX6HwO52RgcsoAc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=QR0wyKZtOhnpP4LVUjsJ3dOIz7cd/00ZjBKnrcfP5zfIQbijyizRPj1WpKSVfrRKp4c9YZRcCxhxHjJs4fHiIk8MKxWB2R1rV7ZmOLApBEWidNHlryS3jn1XvEp3c/YUBkXX0MNclPxo4qEzINlmY5lodbnFoh5SA7ckJUh9VYU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.208.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ed1-f51.google.com with SMTP id 4fb4d7f45d1cf-5bed83488b3so4712765a12.0; Mon, 26 Aug 2024 01:53:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724662436; x=1725267236; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=OoJCp3I2BA9KRjpRd6U32PSSLO6IqLbkxDMlM0I2ct8=; b=WuhS1JunozL4UP2sGVriKvJsHoIAHUbaDaRIGGRAt5gfJp1aIwzQe6Gm3/TH8wrQv/ kHLLDGWz95sAs+wFWlH4rTCOcFkqjaTeAW8AgxtzYd30QwT8kS9Dyho1ky5yBUcBCNhI ajBoSI6ERij/48nTQxb2Dsk7A11cH3E+WPPqGR+QO6/mCpmF2zbP8Ak8v2DH2Y93iVI+ cTXVcxUHqlfEmXdqrIWzimAiOT3UOBZqH5SlYjX3F3cYXpZ/geVc+XFOBVTNnfnsiVR/ Olj2DXeCvmMa+CRtz3cKo2La6MzB3UjyxqzLpPNHsrVlllUPO/XLyVDICrPDZHEHDgyr L2iA== X-Forwarded-Encrypted: i=1; AJvYcCUujoWp2p5BJjB7p+GI7gkDlwWcYcJXNuDci8YFA9niaKdvDbQ8GT84IpMn4jsllltcWj3lFEPbwdcCTWxQiw==@vger.kernel.org, AJvYcCVDCtuRPKjlJHqesxWyRSiyKLr/0f++DE13o5hfjxi8K9pvW7fMYO1U3q9C9F6kUVA4VQu4HXUp5Mz8l0jj@vger.kernel.org, AJvYcCWw13IxGUw76BF3yl0zSwWzz4eN0o/eV8+MNCqP1EnfJRlWEAMuyFd7OuUN0eMb8Ckex7p3XlywgXmFfP1o204GFsJ8EHWD@vger.kernel.org, AJvYcCXlJoAanGWTnd02cVpjNfYWj8SqxTNmvgUZJ5/zhcoWMonu9rC87Gf/E0BLipAu+FddY02+tZaw0RlvV213JA==@vger.kernel.org X-Gm-Message-State: AOJu0YzlxhQVQEVXaJbkHVKGCPNPlNAHRzymFQREOtaOZgFwP0kEmGOE RhaVLKHjMwLM6vSKpvXhWRJX9xKpotEgYA24f5lLIW2a1MBX46Gq X-Google-Smtp-Source: AGHT+IEGem3Ufu8tZwQeokdMzmP3eaFZqmvIML5mh8Xq54tW+A+yVSA/vBHoHsP+JHd+JsIfra7TMw== X-Received: by 2002:a17:907:31cb:b0:a86:b00a:7a27 with SMTP id a640c23a62f3a-a86b00a7cfbmr511137966b.60.1724662434947; Mon, 26 Aug 2024 01:53:54 -0700 (PDT) Received: from localhost.localdomain ([193.86.92.181]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a868f21fe18sm630636866b.29.2024.08.26.01.53.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Aug 2024 01:53:54 -0700 (PDT) From: Michal Hocko To: Andrew Morton Cc: Christoph Hellwig , Yafang Shao , Kent Overstreet , jack@suse.cz, Christian Brauner , Alexander Viro , Paul Moore , James Morris , "Serge E. Hallyn" , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-bcachefs@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] get rid of PF_MEMALLOC_NORECLAIM Date: Mon, 26 Aug 2024 10:47:11 +0200 Message-ID: <20240826085347.1152675-1-mhocko@kernel.org> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://lore.kernel.org/all/20240812090525.80299-1-laoar.shao@gmail.com/T/#u attempted to build on top of PF_MEMALLOC_NORECLAIM introduced by eab0af905bfc ("mm: introduce PF_MEMALLOC_NORECLAIM, PF_MEMALLOC_NOWARN"). This flag has been merged even though there was an explicit push back from the MM people - https://lore.kernel.org/all/ZcM0xtlKbAOFjv5n@tiehlicka/ These two patches are dropping the flag and use an explicit GFP_NOWAIT allocation context in the bcache inode allocation code. This required to push gfp mask down to inode_init_always and its LSM hooks. I am not really familiar with this code so please give it a thorough review.