From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Hubbard Subject: [PATCH 02/19] mm/gup: move try_get_compound_head() to top, fix minor issues Date: Sun, 24 Nov 2019 20:19:54 -0800 Message-ID: <20191125042011.3002372-3-jhubbard@nvidia.com> References: <20191125042011.3002372-1-jhubbard@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from hqemgate14.nvidia.com (hqemgate14.nvidia.com [216.228.121.143]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6647889DEA for ; Mon, 25 Nov 2019 04:20:14 +0000 (UTC) In-Reply-To: <20191125042011.3002372-1-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 , Christoph Hellwig , 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 List-Id: dri-devel@lists.freedesktop.org QW4gdXBjb21pbmcgcGF0Y2ggdXNlcyB0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoKSBtb3JlIHdpZGVs eSwKc28gbW92ZSBpdCB0byB0aGUgdG9wIG9mIGd1cC5jLgoKQWxzbyBmaXggYSB0aW55IHNwZWxs aW5nIGVycm9yIGFuZCBhIGNoZWNrcGF0Y2gucGwgd2FybmluZy4KClJldmlld2VkLWJ5OiBDaHJp c3RvcGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KUmV2aWV3ZWQtYnk6IEphbiBLYXJhIDxqYWNrQHN1 c2UuY3o+ClJldmlld2VkLWJ5OiBJcmEgV2VpbnkgPGlyYS53ZWlueUBpbnRlbC5jb20+ClNpZ25l ZC1vZmYtYnk6IEpvaG4gSHViYmFyZCA8amh1YmJhcmRAbnZpZGlhLmNvbT4KLS0tCiBtbS9ndXAu YyB8IDI5ICsrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMTUg aW5zZXJ0aW9ucygrKSwgMTQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvbW0vZ3VwLmMgYi9t bS9ndXAuYwppbmRleCBmNzY0NDMyOTE0YzQuLjNlY2NlMjk3YTQ3ZiAxMDA2NDQKLS0tIGEvbW0v Z3VwLmMKKysrIGIvbW0vZ3VwLmMKQEAgLTI5LDYgKzI5LDIxIEBAIHN0cnVjdCBmb2xsb3dfcGFn ZV9jb250ZXh0IHsKIAl1bnNpZ25lZCBpbnQgcGFnZV9tYXNrOwogfTsKIAorLyoKKyAqIFJldHVy biB0aGUgY29tcG91bmQgaGVhZCBwYWdlIHdpdGggcmVmIGFwcHJvcHJpYXRlbHkgaW5jcmVtZW50 ZWQsCisgKiBvciBOVUxMIGlmIHRoYXQgZmFpbGVkLgorICovCitzdGF0aWMgaW5saW5lIHN0cnVj dCBwYWdlICp0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoc3RydWN0IHBhZ2UgKnBhZ2UsIGludCByZWZz KQoreworCXN0cnVjdCBwYWdlICpoZWFkID0gY29tcG91bmRfaGVhZChwYWdlKTsKKworCWlmIChX QVJOX09OX09OQ0UocGFnZV9yZWZfY291bnQoaGVhZCkgPCAwKSkKKwkJcmV0dXJuIE5VTEw7CisJ aWYgKHVubGlrZWx5KCFwYWdlX2NhY2hlX2FkZF9zcGVjdWxhdGl2ZShoZWFkLCByZWZzKSkpCisJ CXJldHVybiBOVUxMOworCXJldHVybiBoZWFkOworfQorCiAvKioKICAqIHB1dF91c2VyX3BhZ2Vz X2RpcnR5X2xvY2soKSAtIHJlbGVhc2UgYW5kIG9wdGlvbmFsbHkgZGlydHkgZ3VwLXBpbm5lZCBw YWdlcwogICogQHBhZ2VzOiAgYXJyYXkgb2YgcGFnZXMgdG8gYmUgbWF5YmUgbWFya2VkIGRpcnR5 LCBhbmQgZGVmaW5pdGVseSByZWxlYXNlZC4KQEAgLTE4MDcsMjAgKzE4MjIsNiBAQCBzdGF0aWMg dm9pZCBfX21heWJlX3VudXNlZCB1bmRvX2Rldl9wYWdlbWFwKGludCAqbnIsIGludCBucl9zdGFy dCwKIAl9CiB9CiAKLS8qCi0gKiBSZXR1cm4gdGhlIGNvbXB1bmQgaGVhZCBwYWdlIHdpdGggcmVm IGFwcHJvcHJpYXRlbHkgaW5jcmVtZW50ZWQsCi0gKiBvciBOVUxMIGlmIHRoYXQgZmFpbGVkLgot ICovCi1zdGF0aWMgaW5saW5lIHN0cnVjdCBwYWdlICp0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoc3Ry dWN0IHBhZ2UgKnBhZ2UsIGludCByZWZzKQotewotCXN0cnVjdCBwYWdlICpoZWFkID0gY29tcG91 bmRfaGVhZChwYWdlKTsKLQlpZiAoV0FSTl9PTl9PTkNFKHBhZ2VfcmVmX2NvdW50KGhlYWQpIDwg MCkpCi0JCXJldHVybiBOVUxMOwotCWlmICh1bmxpa2VseSghcGFnZV9jYWNoZV9hZGRfc3BlY3Vs YXRpdmUoaGVhZCwgcmVmcykpKQotCQlyZXR1cm4gTlVMTDsKLQlyZXR1cm4gaGVhZDsKLX0KLQog I2lmZGVmIENPTkZJR19BUkNIX0hBU19QVEVfU1BFQ0lBTAogc3RhdGljIGludCBndXBfcHRlX3Jh bmdlKHBtZF90IHBtZCwgdW5zaWduZWQgbG9uZyBhZGRyLCB1bnNpZ25lZCBsb25nIGVuZCwKIAkJ CSB1bnNpZ25lZCBpbnQgZmxhZ3MsIHN0cnVjdCBwYWdlICoqcGFnZXMsIGludCAqbnIpCi0tIAoy LjI0LjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRy aS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA== 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 2F653C33CA5 for ; 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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: <20191125041954.IdIHXYp5q6wNIRSJZXBh-gnCnFEEo_k_qM30yIkfQE0@z> QW4gdXBjb21pbmcgcGF0Y2ggdXNlcyB0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoKSBtb3JlIHdpZGVs eSwKc28gbW92ZSBpdCB0byB0aGUgdG9wIG9mIGd1cC5jLgoKQWxzbyBmaXggYSB0aW55IHNwZWxs aW5nIGVycm9yIGFuZCBhIGNoZWNrcGF0Y2gucGwgd2FybmluZy4KClJldmlld2VkLWJ5OiBDaHJp c3RvcGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KUmV2aWV3ZWQtYnk6IEphbiBLYXJhIDxqYWNrQHN1 c2UuY3o+ClJldmlld2VkLWJ5OiBJcmEgV2VpbnkgPGlyYS53ZWlueUBpbnRlbC5jb20+ClNpZ25l ZC1vZmYtYnk6IEpvaG4gSHViYmFyZCA8amh1YmJhcmRAbnZpZGlhLmNvbT4KLS0tCiBtbS9ndXAu YyB8IDI5ICsrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMTUg aW5zZXJ0aW9ucygrKSwgMTQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvbW0vZ3VwLmMgYi9t bS9ndXAuYwppbmRleCBmNzY0NDMyOTE0YzQuLjNlY2NlMjk3YTQ3ZiAxMDA2NDQKLS0tIGEvbW0v Z3VwLmMKKysrIGIvbW0vZ3VwLmMKQEAgLTI5LDYgKzI5LDIxIEBAIHN0cnVjdCBmb2xsb3dfcGFn ZV9jb250ZXh0IHsKIAl1bnNpZ25lZCBpbnQgcGFnZV9tYXNrOwogfTsKIAorLyoKKyAqIFJldHVy biB0aGUgY29tcG91bmQgaGVhZCBwYWdlIHdpdGggcmVmIGFwcHJvcHJpYXRlbHkgaW5jcmVtZW50 ZWQsCisgKiBvciBOVUxMIGlmIHRoYXQgZmFpbGVkLgorICovCitzdGF0aWMgaW5saW5lIHN0cnVj dCBwYWdlICp0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoc3RydWN0IHBhZ2UgKnBhZ2UsIGludCByZWZz KQoreworCXN0cnVjdCBwYWdlICpoZWFkID0gY29tcG91bmRfaGVhZChwYWdlKTsKKworCWlmIChX QVJOX09OX09OQ0UocGFnZV9yZWZfY291bnQoaGVhZCkgPCAwKSkKKwkJcmV0dXJuIE5VTEw7CisJ aWYgKHVubGlrZWx5KCFwYWdlX2NhY2hlX2FkZF9zcGVjdWxhdGl2ZShoZWFkLCByZWZzKSkpCisJ CXJldHVybiBOVUxMOworCXJldHVybiBoZWFkOworfQorCiAvKioKICAqIHB1dF91c2VyX3BhZ2Vz X2RpcnR5X2xvY2soKSAtIHJlbGVhc2UgYW5kIG9wdGlvbmFsbHkgZGlydHkgZ3VwLXBpbm5lZCBw YWdlcwogICogQHBhZ2VzOiAgYXJyYXkgb2YgcGFnZXMgdG8gYmUgbWF5YmUgbWFya2VkIGRpcnR5 LCBhbmQgZGVmaW5pdGVseSByZWxlYXNlZC4KQEAgLTE4MDcsMjAgKzE4MjIsNiBAQCBzdGF0aWMg dm9pZCBfX21heWJlX3VudXNlZCB1bmRvX2Rldl9wYWdlbWFwKGludCAqbnIsIGludCBucl9zdGFy dCwKIAl9CiB9CiAKLS8qCi0gKiBSZXR1cm4gdGhlIGNvbXB1bmQgaGVhZCBwYWdlIHdpdGggcmVm IGFwcHJvcHJpYXRlbHkgaW5jcmVtZW50ZWQsCi0gKiBvciBOVUxMIGlmIHRoYXQgZmFpbGVkLgot ICovCi1zdGF0aWMgaW5saW5lIHN0cnVjdCBwYWdlICp0cnlfZ2V0X2NvbXBvdW5kX2hlYWQoc3Ry dWN0IHBhZ2UgKnBhZ2UsIGludCByZWZzKQotewotCXN0cnVjdCBwYWdlICpoZWFkID0gY29tcG91 bmRfaGVhZChwYWdlKTsKLQlpZiAoV0FSTl9PTl9PTkNFKHBhZ2VfcmVmX2NvdW50KGhlYWQpIDwg MCkpCi0JCXJldHVybiBOVUxMOwotCWlmICh1bmxpa2VseSghcGFnZV9jYWNoZV9hZGRfc3BlY3Vs YXRpdmUoaGVhZCwgcmVmcykpKQotCQlyZXR1cm4gTlVMTDsKLQlyZXR1cm4gaGVhZDsKLX0KLQog I2lmZGVmIENPTkZJR19BUkNIX0hBU19QVEVfU1BFQ0lBTAogc3RhdGljIGludCBndXBfcHRlX3Jh bmdlKHBtZF90IHBtZCwgdW5zaWduZWQgbG9uZyBhZGRyLCB1bnNpZ25lZCBsb25nIGVuZCwKIAkJ CSB1bnNpZ25lZCBpbnQgZmxhZ3MsIHN0cnVjdCBwYWdlICoqcGFnZXMsIGludCAqbnIpCi0tIAoy LjI0LjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRy aS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==