From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Hubbard Subject: [PATCH v6 03/24] mm/gup: move try_get_compound_head() to top, fix minor issues Date: Tue, 19 Nov 2019 00:16:22 -0800 Message-ID: <20191119081643.1866232-4-jhubbard@nvidia.com> References: <20191119081643.1866232-1-jhubbard@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from hqemgate15.nvidia.com (hqemgate15.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4742F6EC80 for ; Tue, 19 Nov 2019 08:16:51 +0000 (UTC) In-Reply-To: <20191119081643.1866232-1-jhubbard@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Andrew Morton Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Jonathan Corbet , linux-rdma@vger.kernel.org, Michael Ellerman , Christoph Hellwig , Jason Gunthorpe , Vlastimil Babka , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , linux-media@vger.kernel.org, Shuah Khan , John Hubbard , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro , Dan Williams List-Id: dri-devel@lists.freedesktop.org QW4gdXBjb21pbmcgcGF0Y2ggdXNlcyB0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoKSBtb3JlIHdpZGVs eSwKc28gbW92ZSBpdCB0byB0aGUgdG9wIG9mIGd1cC5jLgoKQWxzbyBmaXggYSB0aW55IHNwZWxs aW5nIGVycm9yIGFuZCBhIGNoZWNrcGF0Y2gucGwgd2FybmluZy4KClJldmlld2VkLWJ5OiBKYW4g S2FyYSA8amFja0BzdXNlLmN6PgpSZXZpZXdlZC1ieTogSXJhIFdlaW55IDxpcmEud2VpbnlAaW50 ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBKb2huIEh1YmJhcmQgPGpodWJiYXJkQG52aWRpYS5jb20+ Ci0tLQogbW0vZ3VwLmMgfCAyOSArKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLQogMSBmaWxl IGNoYW5nZWQsIDE1IGluc2VydGlvbnMoKyksIDE0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBh L21tL2d1cC5jIGIvbW0vZ3VwLmMKaW5kZXggZjNjN2Q2NjI1ODE3Li4xNGZjZGM1MDIxNjYgMTAw NjQ0Ci0tLSBhL21tL2d1cC5jCisrKyBiL21tL2d1cC5jCkBAIC0yOSw2ICsyOSwyMSBAQCBzdHJ1 Y3QgZm9sbG93X3BhZ2VfY29udGV4dCB7CiAJdW5zaWduZWQgaW50IHBhZ2VfbWFzazsKIH07CiAK Ky8qCisgKiBSZXR1cm4gdGhlIGNvbXBvdW5kIGhlYWQgcGFnZSB3aXRoIHJlZiBhcHByb3ByaWF0 ZWx5IGluY3JlbWVudGVkLAorICogb3IgTlVMTCBpZiB0aGF0IGZhaWxlZC4KKyAqLworc3RhdGlj IGlubGluZSBzdHJ1Y3QgcGFnZSAqdHJ5X2dldF9jb21wb3VuZF9oZWFkKHN0cnVjdCBwYWdlICpw YWdlLCBpbnQgcmVmcykKK3sKKwlzdHJ1Y3QgcGFnZSAqaGVhZCA9IGNvbXBvdW5kX2hlYWQocGFn ZSk7CisKKwlpZiAoV0FSTl9PTl9PTkNFKHBhZ2VfcmVmX2NvdW50KGhlYWQpIDwgMCkpCisJCXJl dHVybiBOVUxMOworCWlmICh1bmxpa2VseSghcGFnZV9jYWNoZV9hZGRfc3BlY3VsYXRpdmUoaGVh ZCwgcmVmcykpKQorCQlyZXR1cm4gTlVMTDsKKwlyZXR1cm4gaGVhZDsKK30KKwogLyoqCiAgKiBw dXRfdXNlcl9wYWdlc19kaXJ0eV9sb2NrKCkgLSByZWxlYXNlIGFuZCBvcHRpb25hbGx5IGRpcnR5 IGd1cC1waW5uZWQgcGFnZXMKICAqIEBwYWdlczogIGFycmF5IG9mIHBhZ2VzIHRvIGJlIG1heWJl IG1hcmtlZCBkaXJ0eSwgYW5kIGRlZmluaXRlbHkgcmVsZWFzZWQuCkBAIC0xNzkzLDIwICsxODA4 LDYgQEAgc3RhdGljIHZvaWQgX19tYXliZV91bnVzZWQgdW5kb19kZXZfcGFnZW1hcChpbnQgKm5y LCBpbnQgbnJfc3RhcnQsCiAJfQogfQogCi0vKgotICogUmV0dXJuIHRoZSBjb21wdW5kIGhlYWQg cGFnZSB3aXRoIHJlZiBhcHByb3ByaWF0ZWx5IGluY3JlbWVudGVkLAotICogb3IgTlVMTCBpZiB0 aGF0IGZhaWxlZC4KLSAqLwotc3RhdGljIGlubGluZSBzdHJ1Y3QgcGFnZSAqdHJ5X2dldF9jb21w b3VuZF9oZWFkKHN0cnVjdCBwYWdlICpwYWdlLCBpbnQgcmVmcykKLXsKLQlzdHJ1Y3QgcGFnZSAq aGVhZCA9IGNvbXBvdW5kX2hlYWQocGFnZSk7Ci0JaWYgKFdBUk5fT05fT05DRShwYWdlX3JlZl9j b3VudChoZWFkKSA8IDApKQotCQlyZXR1cm4gTlVMTDsKLQlpZiAodW5saWtlbHkoIXBhZ2VfY2Fj aGVfYWRkX3NwZWN1bGF0aXZlKGhlYWQsIHJlZnMpKSkKLQkJcmV0dXJuIE5VTEw7Ci0JcmV0dXJu IGhlYWQ7Ci19Ci0KICNpZmRlZiBDT05GSUdfQVJDSF9IQVNfUFRFX1NQRUNJQUwKIHN0YXRpYyBp bnQgZ3VwX3B0ZV9yYW5nZShwbWRfdCBwbWQsIHVuc2lnbmVkIGxvbmcgYWRkciwgdW5zaWduZWQg bG9uZyBlbmQsCiAJCQkgdW5zaWduZWQgaW50IGZsYWdzLCBzdHJ1Y3QgcGFnZSAqKnBhZ2VzLCBp bnQgKm5yKQotLSAKMi4yNC4wCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9k cmktZGV2ZWw= 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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5EE80C33CA0 for ; Tue, 19 Nov 2019 08:16:57 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3E994223AC for ; Tue, 19 Nov 2019 08:16:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3E994223AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6AB4F6EC8A; Tue, 19 Nov 2019 08:16:53 +0000 (UTC) Received: from hqemgate15.nvidia.com (hqemgate15.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4742F6EC80 for ; Tue, 19 Nov 2019 08:16:51 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 19 Nov 2019 00:16:47 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 19 Nov 2019 00:16:50 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 19 Nov 2019 00:16:50 -0800 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 19 Nov 2019 08:16:50 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 19 Nov 2019 08:16:49 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 19 Nov 2019 00:16:49 -0800 From: John Hubbard To: Andrew Morton Subject: [PATCH v6 03/24] mm/gup: move try_get_compound_head() to top, fix minor issues Date: Tue, 19 Nov 2019 00:16:22 -0800 Message-ID: <20191119081643.1866232-4-jhubbard@nvidia.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191119081643.1866232-1-jhubbard@nvidia.com> References: <20191119081643.1866232-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1574151408; bh=diV8s1yuXD4Hgu8vlHZLpe4KN2/SH1maxCg7V19wHIM=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:X-NVConfidentiality: Content-Transfer-Encoding:Content-Type; b=BozXZGvl14RxNTHro0Uc5095d/9z2ep2DuckoNk8xL2TTp1CJeR3Y0U286aSMf311 KGYAAs6ifUXBBMtuNDc9ww/fExOJM4yjhAfUmhT++GJCvsRWyV9x5I41wNZqNzwTEn 7kJBYUirZXnKfEP6l0gbEEkQmMPpcuFXaI0GM3HJ3u1+/LYcTpCGHW+GBpQBAK4Hxr v2/czIiNXpq3m4voaYe9FLHi/iU/xIIaZ1QjdXyMZauQSvEWyZWZ0fkpCZlwbYXv2o Wjftgx+4Eh5+yBJ5NngprWzy0rVMJsBwh7tsSwdBZQGsQXC7yCpEIu55WNO0zP7nT9 H+rpXOx3fvXJw== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Jonathan Corbet , linux-rdma@vger.kernel.org, Michael Ellerman , Christoph Hellwig , Jason Gunthorpe , Vlastimil Babka , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , linux-media@vger.kernel.org, Shuah Khan , John Hubbard , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro , Dan Williams , Mauro Carvalho Chehab , Magnus Karlsson , Jens Axboe , netdev@vger.kernel.org, Alex Williamson , linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S . Miller" , Mike Kravetz Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191119081622.iEFIa_UpOze3sM2vpCjcRMg-E_n2RU1Jl6y-7CxlL2E@z> QW4gdXBjb21pbmcgcGF0Y2ggdXNlcyB0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoKSBtb3JlIHdpZGVs eSwKc28gbW92ZSBpdCB0byB0aGUgdG9wIG9mIGd1cC5jLgoKQWxzbyBmaXggYSB0aW55IHNwZWxs aW5nIGVycm9yIGFuZCBhIGNoZWNrcGF0Y2gucGwgd2FybmluZy4KClJldmlld2VkLWJ5OiBKYW4g S2FyYSA8amFja0BzdXNlLmN6PgpSZXZpZXdlZC1ieTogSXJhIFdlaW55IDxpcmEud2VpbnlAaW50 ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBKb2huIEh1YmJhcmQgPGpodWJiYXJkQG52aWRpYS5jb20+ Ci0tLQogbW0vZ3VwLmMgfCAyOSArKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLQogMSBmaWxl IGNoYW5nZWQsIDE1IGluc2VydGlvbnMoKyksIDE0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBh L21tL2d1cC5jIGIvbW0vZ3VwLmMKaW5kZXggZjNjN2Q2NjI1ODE3Li4xNGZjZGM1MDIxNjYgMTAw NjQ0Ci0tLSBhL21tL2d1cC5jCisrKyBiL21tL2d1cC5jCkBAIC0yOSw2ICsyOSwyMSBAQCBzdHJ1 Y3QgZm9sbG93X3BhZ2VfY29udGV4dCB7CiAJdW5zaWduZWQgaW50IHBhZ2VfbWFzazsKIH07CiAK Ky8qCisgKiBSZXR1cm4gdGhlIGNvbXBvdW5kIGhlYWQgcGFnZSB3aXRoIHJlZiBhcHByb3ByaWF0 ZWx5IGluY3JlbWVudGVkLAorICogb3IgTlVMTCBpZiB0aGF0IGZhaWxlZC4KKyAqLworc3RhdGlj IGlubGluZSBzdHJ1Y3QgcGFnZSAqdHJ5X2dldF9jb21wb3VuZF9oZWFkKHN0cnVjdCBwYWdlICpw YWdlLCBpbnQgcmVmcykKK3sKKwlzdHJ1Y3QgcGFnZSAqaGVhZCA9IGNvbXBvdW5kX2hlYWQocGFn ZSk7CisKKwlpZiAoV0FSTl9PTl9PTkNFKHBhZ2VfcmVmX2NvdW50KGhlYWQpIDwgMCkpCisJCXJl dHVybiBOVUxMOworCWlmICh1bmxpa2VseSghcGFnZV9jYWNoZV9hZGRfc3BlY3VsYXRpdmUoaGVh ZCwgcmVmcykpKQorCQlyZXR1cm4gTlVMTDsKKwlyZXR1cm4gaGVhZDsKK30KKwogLyoqCiAgKiBw dXRfdXNlcl9wYWdlc19kaXJ0eV9sb2NrKCkgLSByZWxlYXNlIGFuZCBvcHRpb25hbGx5IGRpcnR5 IGd1cC1waW5uZWQgcGFnZXMKICAqIEBwYWdlczogIGFycmF5IG9mIHBhZ2VzIHRvIGJlIG1heWJl IG1hcmtlZCBkaXJ0eSwgYW5kIGRlZmluaXRlbHkgcmVsZWFzZWQuCkBAIC0xNzkzLDIwICsxODA4 LDYgQEAgc3RhdGljIHZvaWQgX19tYXliZV91bnVzZWQgdW5kb19kZXZfcGFnZW1hcChpbnQgKm5y LCBpbnQgbnJfc3RhcnQsCiAJfQogfQogCi0vKgotICogUmV0dXJuIHRoZSBjb21wdW5kIGhlYWQg cGFnZSB3aXRoIHJlZiBhcHByb3ByaWF0ZWx5IGluY3JlbWVudGVkLAotICogb3IgTlVMTCBpZiB0 aGF0IGZhaWxlZC4KLSAqLwotc3RhdGljIGlubGluZSBzdHJ1Y3QgcGFnZSAqdHJ5X2dldF9jb21w b3VuZF9oZWFkKHN0cnVjdCBwYWdlICpwYWdlLCBpbnQgcmVmcykKLXsKLQlzdHJ1Y3QgcGFnZSAq aGVhZCA9IGNvbXBvdW5kX2hlYWQocGFnZSk7Ci0JaWYgKFdBUk5fT05fT05DRShwYWdlX3JlZl9j b3VudChoZWFkKSA8IDApKQotCQlyZXR1cm4gTlVMTDsKLQlpZiAodW5saWtlbHkoIXBhZ2VfY2Fj aGVfYWRkX3NwZWN1bGF0aXZlKGhlYWQsIHJlZnMpKSkKLQkJcmV0dXJuIE5VTEw7Ci0JcmV0dXJu IGhlYWQ7Ci19Ci0KICNpZmRlZiBDT05GSUdfQVJDSF9IQVNfUFRFX1NQRUNJQUwKIHN0YXRpYyBp bnQgZ3VwX3B0ZV9yYW5nZShwbWRfdCBwbWQsIHVuc2lnbmVkIGxvbmcgYWRkciwgdW5zaWduZWQg bG9uZyBlbmQsCiAJCQkgdW5zaWduZWQgaW50IGZsYWdzLCBzdHJ1Y3QgcGFnZSAqKnBhZ2VzLCBp bnQgKm5yKQotLSAKMi4yNC4wCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9k cmktZGV2ZWw=