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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 B9844C11D10 for ; Thu, 20 Feb 2020 12:27:56 +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 8C68924656 for ; Thu, 20 Feb 2020 12:27:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=shipmail.org header.i=@shipmail.org header.b="DF3/n0mI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8C68924656 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=shipmail.org 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 C89946E8F0; Thu, 20 Feb 2020 12:27:45 +0000 (UTC) Received: from ste-pvt-msa1.bahnhof.se (ste-pvt-msa1.bahnhof.se [213.80.101.70]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6CCC36E8E9 for ; Thu, 20 Feb 2020 12:27:41 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by ste-pvt-msa1.bahnhof.se (Postfix) with ESMTP id 33A993F6BD; Thu, 20 Feb 2020 13:27:39 +0100 (CET) Authentication-Results: ste-pvt-msa1.bahnhof.se; dkim=pass (1024-bit key; unprotected) header.d=shipmail.org header.i=@shipmail.org header.b=DF3/n0mI; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at bahnhof.se Received: from ste-pvt-msa1.bahnhof.se ([127.0.0.1]) by localhost (ste-pvt-msa1.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NdrJJSha_YO7; Thu, 20 Feb 2020 13:27:37 +0100 (CET) Received: from mail1.shipmail.org (h-205-35.A357.priv.bahnhof.se [155.4.205.35]) (Authenticated sender: mb878879) by ste-pvt-msa1.bahnhof.se (Postfix) with ESMTPA id DB8423F65E; Thu, 20 Feb 2020 13:27:34 +0100 (CET) Received: from localhost.localdomain.localdomain (h-205-35.A357.priv.bahnhof.se [155.4.205.35]) by mail1.shipmail.org (Postfix) with ESMTPSA id 637BE3602EF; Thu, 20 Feb 2020 13:27:34 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=shipmail.org; s=mail; t=1582201654; bh=SVQ3RAqEw090XnvDX2q3fl6XDeSe2sWac77JhhSBCNI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DF3/n0mI9ef9nwepicupKS0qV4Cvlnx8rwt1dkjeh20zcvUljOhCHo/J9YPz4oIsj cM5aLlEtdFRwb2ZEfR7UnwFunijSFVpRrERqGKqDqXOaZlgrnETMWgVdoC1PqgNE7c DeQsa5qD/zizsj3BfQ5DcxFg1qSjNPY4Aw1ArXtk= From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m=20=28VMware=29?= To: linux-mm@kvack.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/9] mm: Introduce vma_is_special_huge Date: Thu, 20 Feb 2020 13:27:12 +0100 Message-Id: <20200220122719.4302-3-thomas_os@shipmail.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200220122719.4302-1-thomas_os@shipmail.org> References: <20200220122719.4302-1-thomas_os@shipmail.org> MIME-Version: 1.0 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: , Cc: Thomas Hellstrom , Michal Hocko , pv-drivers@vmware.com, Dan Williams , Ralph Campbell , "Matthew Wilcox \(Oracle\)" , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-graphics-maintainer@vmware.com, Andrew Morton , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Kirill A. Shutemov" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogVGhvbWFzIEhlbGxzdHJvbSA8dGhlbGxzdHJvbUB2bXdhcmUuY29tPgoKRm9yIFZNX1BG Tk1BUCBhbmQgVk1fTUlYRURNQVAgdm1hcyB0aGF0IHdhbnQgdG8gc3VwcG9ydCB0cmFuc2h1Z2Ug cGFnZXMKYW5kIC1wYWdlIHRhYmxlIGVudHJpZXMsIGludHJvZHVjZSB2bWFfaXNfc3BlY2lhbF9o dWdlKCkgdGhhdCB0YWtlcyB0aGUKc2FtZSBjb2RlcGF0aHMgYXMgdm1hX2lzX2RheCgpLgoKVGhl IHVzZSBvZiAic3BlY2lhbCIgZm9sbG93cyB0aGUgZGVmaW5pdGlvbiBpbiBtZW1vcnkuYywgdm1f bm9ybWFsX3BhZ2UoKToKIlNwZWNpYWwiIG1hcHBpbmdzIGRvIG5vdCB3aXNoIHRvIGJlIGFzc29j aWF0ZWQgd2l0aCBhICJzdHJ1Y3QgcGFnZSIKKGVpdGhlciBpdCBkb2Vzbid0IGV4aXN0LCBvciBp dCBleGlzdHMgYnV0IHRoZXkgZG9uJ3Qgd2FudCB0byB0b3VjaCBpdCkKCkZvciBQQUdFX1NJWkUg cGFnZXMsICJzcGVjaWFsIiBpcyBkZXRlcm1pbmVkIHBlciBwYWdlIHRhYmxlIGVudHJ5IHRvIGJl CmFibGUgdG8gZGVhbCB3aXRoIENPVyBwYWdlcy4gQnV0IHNpbmNlIHdlIGRvbid0IGhhdmUgaHVn ZSBDT1cgcGFnZXMsCndlIGNhbiBjbGFzc2lmeSBhIHZtYSBhcyBlaXRoZXIgInNwZWNpYWwgaHVn ZSIgb3IgIm5vcm1hbCBodWdlIi4KCkNjOiBBbmRyZXcgTW9ydG9uIDxha3BtQGxpbnV4LWZvdW5k YXRpb24ub3JnPgpDYzogTWljaGFsIEhvY2tvIDxtaG9ja29Ac3VzZS5jb20+CkNjOiAiTWF0dGhl dyBXaWxjb3ggKE9yYWNsZSkiIDx3aWxseUBpbmZyYWRlYWQub3JnPgpDYzogIktpcmlsbCBBLiBT aHV0ZW1vdiIgPGtpcmlsbC5zaHV0ZW1vdkBsaW51eC5pbnRlbC5jb20+CkNjOiBSYWxwaCBDYW1w YmVsbCA8cmNhbXBiZWxsQG52aWRpYS5jb20+CkNjOiAiSsOpcsO0bWUgR2xpc3NlIiA8amdsaXNz ZUByZWRoYXQuY29tPgpDYzogIkNocmlzdGlhbiBLw7ZuaWciIDxjaHJpc3RpYW4ua29lbmlnQGFt ZC5jb20+CkNjOiBEYW4gV2lsbGlhbXMgPGRhbi5qLndpbGxpYW1zQGludGVsLmNvbT4KU2lnbmVk LW9mZi1ieTogVGhvbWFzIEhlbGxzdHJvbSA8dGhlbGxzdHJvbUB2bXdhcmUuY29tPgpBY2tlZC1i eTogQ2hyaXN0aWFuIEvDtm5pZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgotLS0KIGluY2x1 ZGUvbGludXgvbW0uaCB8IDE3ICsrKysrKysrKysrKysrKysrCiBtbS9odWdlX21lbW9yeS5jICAg fCAgNiArKystLS0KIDIgZmlsZXMgY2hhbmdlZCwgMjAgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlv bnMoLSkKCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L21tLmggYi9pbmNsdWRlL2xpbnV4L21t LmgKaW5kZXggMDE1N2QyOTM5MzVmLi5kMzcwY2UyOTMyYTEgMTAwNjQ0Ci0tLSBhL2luY2x1ZGUv bGludXgvbW0uaAorKysgYi9pbmNsdWRlL2xpbnV4L21tLmgKQEAgLTI4MjIsNiArMjgyMiwyMyBA QCBleHRlcm4gbG9uZyBjb3B5X2h1Z2VfcGFnZV9mcm9tX3VzZXIoc3RydWN0IHBhZ2UgKmRzdF9w YWdlLAogCQkJCWNvbnN0IHZvaWQgX191c2VyICp1c3Jfc3JjLAogCQkJCXVuc2lnbmVkIGludCBw YWdlc19wZXJfaHVnZV9wYWdlLAogCQkJCWJvb2wgYWxsb3dfcGFnZWZhdWx0KTsKKworLyoqCisg KiB2bWFfaXNfc3BlY2lhbF9odWdlIC0gQXJlIHRyYW5zaHVnZSBwYWdlLXRhYmxlIGVudHJpZXMg Y29uc2lkZXJlZCBzcGVjaWFsPworICogQHZtYTogUG9pbnRlciB0byB0aGUgc3RydWN0IHZtX2Fy ZWFfc3RydWN0IHRvIGNvbnNpZGVyCisgKgorICogV2hldGhlciB0cmFuc2h1Z2UgcGFnZS10YWJs ZSBlbnRyaWVzIGFyZSBjb25zaWRlcmVkICJzcGVjaWFsIiBmb2xsb3dpbmcKKyAqIHRoZSBkZWZp bml0aW9uIGluIHZtX25vcm1hbF9wYWdlKCkuCisgKgorICogUmV0dXJuOiB0cnVlIGlmIHRyYW5z aHVnZSBwYWdlLXRhYmxlIGVudHJpZXMgc2hvdWxkIGJlIGNvbnNpZGVyZWQgc3BlY2lhbCwKKyAq IGZhbHNlIG90aGVyd2lzZS4KKyAqLworc3RhdGljIGlubGluZSBib29sIHZtYV9pc19zcGVjaWFs X2h1Z2UoY29uc3Qgc3RydWN0IHZtX2FyZWFfc3RydWN0ICp2bWEpCit7CisJcmV0dXJuIHZtYV9p c19kYXgodm1hKSB8fCAodm1hLT52bV9maWxlICYmCisJCQkJICAgKHZtYS0+dm1fZmxhZ3MgJiAo Vk1fUEZOTUFQIHwgVk1fTUlYRURNQVApKSk7Cit9CisKICNlbmRpZiAvKiBDT05GSUdfVFJBTlNQ QVJFTlRfSFVHRVBBR0UgfHwgQ09ORklHX0hVR0VUTEJGUyAqLwogCiAjaWZkZWYgQ09ORklHX0RF QlVHX1BBR0VBTExPQwpkaWZmIC0tZ2l0IGEvbW0vaHVnZV9tZW1vcnkuYyBiL21tL2h1Z2VfbWVt b3J5LmMKaW5kZXggNDFhMGZiZGRjOTZiLi5mOGQyNGZjM2Y0ZGYgMTAwNjQ0Ci0tLSBhL21tL2h1 Z2VfbWVtb3J5LmMKKysrIGIvbW0vaHVnZV9tZW1vcnkuYwpAQCAtMTc4OSw3ICsxNzg5LDcgQEAg aW50IHphcF9odWdlX3BtZChzdHJ1Y3QgbW11X2dhdGhlciAqdGxiLCBzdHJ1Y3Qgdm1fYXJlYV9z dHJ1Y3QgKnZtYSwKIAlvcmlnX3BtZCA9IHBtZHBfaHVnZV9nZXRfYW5kX2NsZWFyX2Z1bGwodGxi LT5tbSwgYWRkciwgcG1kLAogCQkJdGxiLT5mdWxsbW0pOwogCXRsYl9yZW1vdmVfcG1kX3RsYl9l bnRyeSh0bGIsIHBtZCwgYWRkcik7Ci0JaWYgKHZtYV9pc19kYXgodm1hKSkgeworCWlmICh2bWFf aXNfc3BlY2lhbF9odWdlKHZtYSkpIHsKIAkJaWYgKGFyY2hfbmVlZHNfcGd0YWJsZV9kZXBvc2l0 KCkpCiAJCQl6YXBfZGVwb3NpdGVkX3RhYmxlKHRsYi0+bW0sIHBtZCk7CiAJCXNwaW5fdW5sb2Nr KHB0bCk7CkBAIC0yMDUzLDcgKzIwNTMsNyBAQCBpbnQgemFwX2h1Z2VfcHVkKHN0cnVjdCBtbXVf Z2F0aGVyICp0bGIsIHN0cnVjdCB2bV9hcmVhX3N0cnVjdCAqdm1hLAogCSAqLwogCXB1ZHBfaHVn ZV9nZXRfYW5kX2NsZWFyX2Z1bGwodGxiLT5tbSwgYWRkciwgcHVkLCB0bGItPmZ1bGxtbSk7CiAJ dGxiX3JlbW92ZV9wdWRfdGxiX2VudHJ5KHRsYiwgcHVkLCBhZGRyKTsKLQlpZiAodm1hX2lzX2Rh eCh2bWEpKSB7CisJaWYgKHZtYV9pc19zcGVjaWFsX2h1Z2Uodm1hKSkgewogCQlzcGluX3VubG9j ayhwdGwpOwogCQkvKiBObyB6ZXJvIHBhZ2Ugc3VwcG9ydCB5ZXQgKi8KIAl9IGVsc2UgewpAQCAt MjE2Miw3ICsyMTYyLDcgQEAgc3RhdGljIHZvaWQgX19zcGxpdF9odWdlX3BtZF9sb2NrZWQoc3Ry dWN0IHZtX2FyZWFfc3RydWN0ICp2bWEsIHBtZF90ICpwbWQsCiAJCSAqLwogCQlpZiAoYXJjaF9u ZWVkc19wZ3RhYmxlX2RlcG9zaXQoKSkKIAkJCXphcF9kZXBvc2l0ZWRfdGFibGUobW0sIHBtZCk7 Ci0JCWlmICh2bWFfaXNfZGF4KHZtYSkpCisJCWlmICh2bWFfaXNfc3BlY2lhbF9odWdlKHZtYSkp CiAJCQlyZXR1cm47CiAJCXBhZ2UgPSBwbWRfcGFnZShfcG1kKTsKIAkJaWYgKCFQYWdlRGlydHko cGFnZSkgJiYgcG1kX2RpcnR5KF9wbWQpKQotLSAKMi4yMS4xCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1k ZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK