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=0.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FORGED_YAHOO_RCVD,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=no 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 89605C10F06 for ; Sat, 6 Apr 2019 06:16:27 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (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 187372173C for ; Sat, 6 Apr 2019 06:16:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=yahoo.com header.i=@yahoo.com header.b="G/bi6eHA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 187372173C Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=yahoo.com Authentication-Results: mail.kernel.org; spf=fail smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.91) (envelope-from ) id 1hCecO-0004gc-PX; Sat, 06 Apr 2019 02:15:56 -0400 Received: from sonic308-21.consmr.mail.sg3.yahoo.com ([106.10.241.211]) by shelob.surriel.com with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91) (envelope-from ) id 1hCecL-0004gQ-SW for kernelnewbies@kernelnewbies.org; Sat, 06 Apr 2019 02:15:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1554531345; bh=BFJWdwxeFmvgdvdlDac5VDeh/vYmhJNFPdmYXnJUdGc=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:From:Subject; b=G/bi6eHA1q4GILAKl3kscHU/qhAAadl8CDyCXVCHV4nYqVM/TuPbdzd+gLlfGoxiapeau9PgvRT+hOElVvqjA25xsnwWdBI6z4d5RY9UML81AGynuGGCEadKb0BdXGgAKmXz1xq/kEcHLQXAjjCZY4cctEd6poK5ZUXcGssHS43WSTNm4ERjAR1Q96D1mwZ+Bn0wM33mp0m89GdqUGtCreCI3kj/7iisVqaYdlxj117VbQJxE/yyOdJaSKdLB3qWEETS2WZAl38gFjQ44FymOgy1qlo/pzZjC/Cm+GjSwoi9WBPGEHcIFrm17EA6KKiiT0AzYk4vx9tolaKT5HepxQ== X-YMail-OSG: YS8M6PMVM1kUGENqFeq55b0QSQTuukR8ig4hRptCRW1ii6dACBnilc2.m45.mGt Ps8RspU9wK1c6R7SOUqaTfLEZQs6HBB1VeeWPq5EzuMo4h3tRSMkbYrNer8fWMDWJs32dV.dImDp 3boaOZghdRI7numlmAeUTXqNOpzG8eENt1N_2RqBvwVyOlqMl.0BvviKNv9sC47adwAe0mjX.nsq FTg2AFOMHhfrRTN0_BY3G53tpsqTanIsSznKZC8GSqEW1o4_D1y8Wf_d2nNpjPRN2fb5dhQmPdoA A4eGeFJz9Ki3w2Jcmzl61DNpLl_o9IgH5vQxNcg_nnlaBFWlZNTojmKZwVkTmXgZ5IBj527lWNIB HnqJdkdgHXAn5sWGQOF_snFWgPCnD44qMCC6Q727HFJGIKR4_60qhdvLThF6Pv6_MB65dLUzCVM6 OEFjmPPJMx.SzQOZ9ZsE8yqW9eAnPe2cEuH_23Hpevj8HpG3_AZoVC9PU_XQjfOqgu7XqsOf8tL5 1bxD26iCl4COHRJRvaWFinfJIwbZfZ3yTjM95MIgEJugN7oGqeAkg5IJig3vPK7q03E29cL0SfpG sPOGIjfxFI13T0hxhoSDLt5PnZsDDpI_eAYwAhJkW7fksB9cKAsxel9hMBaPOJVmaa5b90ERbp0A L41Lc3qRabLFqQ.2YWr9fMQJJCOORI8PblEBz3TsFrF6plshW3HANTxBa_NyShzzmHbLjXudtLrr 3lar5SrVmZPlIESGSV21yxGyj0iay5aE329wTCXrRo21ylPkW2eP4oLawlrdn8oMnPgH4lfcnMAz 1tuK0Eejfdoh4VaSlvx.ITovkNCVthox66GwXCdRWr_laP8RtpEqa1FhERFCY4DKsnMuaMX1Mbdc 7FZX0zLWsVy2aZsw9ea1336nxq1WdRVamoC07fHZCMfhhPe9bTlihzMCDrBEOWTJ3mKR97oQz16y nycYsWg67Y317nNybMOIUu8ABexsuJi9cGpoUHN5OLpn4X9aYBxj19Iukc_ysqYa_UPu.b7nv2FN pND3yWEVQ23KZa8tJn6eipH7WlnKS5VyQOQPh8r7G1S_3Whc6y61pfzsjXPTABO4ljw7ZjmyW33n tyQ-- Received: from sonic.gate.mail.ne1.yahoo.com by sonic308.consmr.mail.sg3.yahoo.com with HTTP; Sat, 6 Apr 2019 06:15:45 +0000 Date: Sat, 6 Apr 2019 06:15:41 +0000 (UTC) From: Pankaj Suryawanshi To: =?UTF-8?Q?Valdis_Kl=C4=93tnieks?= Message-ID: <1002302887.779027.1554531341350@mail.yahoo.com> In-Reply-To: <6977.1554499657@turing-police> References: <1536252828.16026118.1554461687939.ref@mail.yahoo.com> <1536252828.16026118.1554461687939@mail.yahoo.com> <6977.1554499657@turing-police> Subject: Re: How to calculate page address to PFN in user space. MIME-Version: 1.0 X-Mailer: WebService/1.1.13212 YahooMailNeo Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36 Cc: "linux-mm@kvack.org" , LKML , "kernelnewbies@kernelnewbies.org" X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Pankaj Suryawanshi Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernelnewbies-bounces@kernelnewbies.org CgoKCk9uIFNhdHVyZGF5LCA2IEFwcmlsIDIwMTkgMjo1NyBBTSwgVmFsZGlzIEtsxJN0bmlla3Mg PHZhbGRpcy5rbGV0bmlla3NAdnQuZWR1PiB3cm90ZToKCgoKT24gRnJpLCAwNSBBcHIgMjAxOSAx MDo1NDo0NyAtMDAwMCwgUGFua2FqIFN1cnlhd2Fuc2hpIHNhaWQ6CgoKPiBJIGhhdmUgUEZOIG9m IGFsbCBwcm9jZXNzZXMgaW4gdXNlciBzcGFjZSwgaG93IHRvIGNhbGN1bGF0ZSBwYWdlIGFkZHJl c3MgdG8gUEZOLgoKKkFsbCogdXNlciBwcm9jZXNzZXM/ICBUaGF0J3MgZ29pbmcgdG8gYmUgYSBs b3Qgb2YgUEZOJ3MuICBXaGF0IHByb2JsZW0gYXJlIHlvdSB0cnlpbmcKCnRvIHNvbHZlIGhlcmU/ CgpJIGFtIHRyeWluZyB0byBzb2x2ZSBwcm9ibGVtIHdpdGggY21hIGFsbG9jYXRpb24gZmFpbHVy ZSwgYW5kIHRyeSB0byBmaW5kIHByb2Nlc3Mgd2hvIHBpbm5lZCB0aGUgcGFnZXMgZnJvbSBjbWEg cmVzZXJ2ZWQgYXJlYS4KCldoZW4gY21hIGFsbG9jYXRpb24gZmFpbGVkIGl0IGR1bXBlZCB0aGUg aW5mb3JtYXRpb24gYW5kIGl0IGNvbnRhaW5zIGZsYWdzIGFuZCBwYWdlIGFkZHJlc3MsIGJlZm9y ZSBmYWlsaW5nIGkgaGF2ZSBpbmZvcm1hdGlvbi9QRk4gb2YgcHJvY2Vzc2VzIHdobyBhcXVpcmVz IHBhZ2VzIGZyb20gY21hIGFyZWEuIApOb3cgaSB3YW50IHRvIGZpbmQgZXhhY3QgUEZOIG9mIHRo ZSBkdW1wZWQgcGFnZXMgd2hvIGlzIHJlc3BvbnNpYmxlIGZvciBhbGxvY2F0aW9uIGZhaWx1cmUu CgpOb3RlOiBJIGhhdmUgZ290IHRoZSBwZm4gZnJvbSAvdG9vbHMvdm0vcGFnZS10eXBlcy5jIGlu IHVzZXIgc3BhY2UgYW5kIGkgaGF2ZSBzdGFydCBwZm4gb2YgY21hIHJlc2VydmVkIGFyZWEsIHNv IGkgZmlsdGVyIHRoZSBjbWEgYXJlYSBwZm4uCihIaW50IC0gdW5kZXIgd2hhdCBjYXNlcyBkb2Vz IHRoZSBrZXJuZWwgY2FyZSBhYm91dCB0aGUgUEZOIG9mICphbnkqIHVzZXIgcGFnZT8pCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpLZXJuZWxuZXdiaWVz IG1haWxpbmcgbGlzdApLZXJuZWxuZXdiaWVzQGtlcm5lbG5ld2JpZXMub3JnCmh0dHBzOi8vbGlz dHMua2VybmVsbmV3Ymllcy5vcmcvbWFpbG1hbi9saXN0aW5mby9rZXJuZWxuZXdiaWVzCg==