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Tue, 19 Feb 2019 15:50:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wavesemi.onmicrosoft.com; s=selector1-wavecomp-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=R7PFbzxSaVeIe5puauPm6Nt2i+uDF3D8h9sk6cuNc34=; b=LJiGUqFOmFoGpY5C/Mwzb0uJPl3O/3GhIrxyisRazXnin9hSYHInbH6HbI2W2dgx0upsLxg4tU9aBydrFYdKOiY+si2IQ68yESBWdoR4BLciQjc3QZLnq+xwOQZeTIjEAUvZ1ld4LKgp5+sm2kXH6JdMIFyo2s5A/k2vf9Q+Trk= Received: from MWHPR2201MB1277.namprd22.prod.outlook.com (10.174.162.17) by MWHPR2201MB1136.namprd22.prod.outlook.com (10.174.171.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1622.16; Tue, 19 Feb 2019 20:50:46 +0000 Received: from MWHPR2201MB1277.namprd22.prod.outlook.com ([fe80::7d5e:f3b0:4a5:4636]) by MWHPR2201MB1277.namprd22.prod.outlook.com ([fe80::7d5e:f3b0:4a5:4636%9]) with mapi id 15.20.1622.018; Tue, 19 Feb 2019 20:50:46 +0000 From: Paul Burton To: Liu Xiang CC: "linux-mips@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "ralf@linux-mips.org" , "jhogan@kernel.org" , "liuxiang_1999@126.com" Subject: Re: [PATCH] MIPS: irq: Allocate accurate order pages for irq stack Thread-Topic: [PATCH] MIPS: irq: Allocate accurate order pages for irq stack Thread-Index: AQHUxdfFhYURRkdiAk2PSouFe061m6XnneAA Date: Tue, 19 Feb 2019 20:50:46 +0000 Message-ID: <20190219205044.6fmxxlzffi5tcuwz@pburton-laptop> References: <1550308344-3397-1-git-send-email-liu.xiang6@zte.com.cn> In-Reply-To: <1550308344-3397-1-git-send-email-liu.xiang6@zte.com.cn> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BYAPR02CA0025.namprd02.prod.outlook.com (2603:10b6:a02:ee::38) To MWHPR2201MB1277.namprd22.prod.outlook.com (2603:10b6:301:24::17) user-agent: NeoMutt/20180716 authentication-results: spf=none (sender IP is ) smtp.mailfrom=pburton@wavecomp.com; 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received-spf: None (protection.outlook.com: wavecomp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: +g8M+UhWXVGbMQ+eZ/kHVwJiAJpGcS+EewId9GYMa0lgGgeVH+KT4SfneKST/6LksrFu4lce60oAiqCV4uoJZKhPJpRzfhlz3yX2CopsOFlL4xzodJJot/m9zMdo9ecMhp9W4CyBDXqwZ+ljAIADoH8Xxy0Um26IpvsZpfdr276cfBo0BbZL7k+mTOgdrBmwcky4RXOABOErI0iuGvwczNdCkRaHHkMTwDG3dAeusVbmZ/Te6dVqkc5tOzF7R4JFrqUfbAGneqy+7rzv1VR+aVGvNQ1YjvBnFF3djgFdk43UFUtHt91lQyyroyvlupruiwZN6HMXr6An3NdWbdoBpHd+gO9ZMAjsnsQOJQxhh3CCeouGX/aAHRrdNn9QtUSqcOe5TkRdzT5u5oVHXwhcfLkqjpXLsUz5vLZnZCE+D88= Content-Type: text/plain; charset="us-ascii" Content-ID: <713873DACED55E4D9CCDE1A0A5C0A9E3@namprd22.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: mips.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5a33ca9e-00ca-48fd-1d5d-08d696abeb99 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Feb 2019 20:50:45.4617 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 463607d3-1db3-40a0-8a29-970c56230104 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR2201MB1136 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Liu, On Sat, Feb 16, 2019 at 05:12:24PM +0800, Liu Xiang wrote: > The irq_pages is the number of pages for irq stack, but not the > order which is needed by __get_free_pages(). > We can use get_order() to calculate the accurate order. >=20 > Signed-off-by: Liu Xiang > --- > arch/mips/kernel/irq.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Somehow this didn't make it to patchwork.kernel.org, or the archives at lore.kernel.org, so my usual "I've applied this" script doesn't know how to respond to you... Anyway: I've applied this to mips-next for v5.1, and marked it for backport to stable branches as far as v4.11. Thanks, Paul