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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 F02DFC433E0 for ; Mon, 25 Jan 2021 19:48:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8D5A120708 for ; Mon, 25 Jan 2021 19:48:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D5A120708 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=soleen.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 938D08D0037; Mon, 25 Jan 2021 14:48:14 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8BC3D8D0023; Mon, 25 Jan 2021 14:48:14 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6EDA18D0037; Mon, 25 Jan 2021 14:48:14 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0225.hostedemail.com [216.40.44.225]) by kanga.kvack.org (Postfix) with ESMTP id 4A33B8D0023 for ; Mon, 25 Jan 2021 14:48:14 -0500 (EST) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 0AFA61EE6 for ; Mon, 25 Jan 2021 19:48:14 +0000 (UTC) X-FDA: 77745333708.16.slip29_5a12c9f27588 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin16.hostedemail.com (Postfix) with ESMTP id D76FD100E6932 for ; Mon, 25 Jan 2021 19:48:12 +0000 (UTC) X-HE-Tag: slip29_5a12c9f27588 X-Filterd-Recvd-Size: 4282 Received: from mail-qt1-f181.google.com (mail-qt1-f181.google.com [209.85.160.181]) by imf47.hostedemail.com (Postfix) with ESMTP for ; Mon, 25 Jan 2021 19:48:12 +0000 (UTC) Received: by mail-qt1-f181.google.com with SMTP id t14so6974380qto.8 for ; Mon, 25 Jan 2021 11:48:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=mjWbyN3QlCSRxacF3EdFD9Q6Qqvve11XewDvx8+hMpo=; b=QyqCNtzOZjM+ofJjxKN6Zxgsv1aotNfM8QD9SAxjhV1OH52yIpl6YtH/AqGv+QUzGh LbI7sONzqoiweiAtLaCZJ2f3bi2JeBjwuemwTo+nxdrLnJgeJftszsKtGaaVvnvOmZq/ Pf6Smrxlzj3DHcnp9U+v4hb5LnxPVq1o8gPuiZl8h15rkU5kyPWYd1kgA3hKdi1qxrRY 54IAZGiME/nPd2KM6TzR8sC9B+rRdaWe0pHCxG5CVbXJN0cA0ROp3dQCrIX0pEfhTO1U EANQarLiJ/JrKdo+vZGT8pU5m8TS/BBpC7lOvL/B7bw2ovLArcwG8gDmZpAhNNKiAYNn 4KCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mjWbyN3QlCSRxacF3EdFD9Q6Qqvve11XewDvx8+hMpo=; b=mVe9OWmrRDAqrb0hfIFp3gvgvGytvXQW0YEsFCDCzBPtbqiFWCGZY56QgX6FTPCQ8C V2NOobHgH+D31pN0TMj43m9pMVa1EtXFcerP+Kg8ODx4QdbkCCRkXgwWVuuPTgpgLEBv yzLN5u3TnE71CjH/Bb541j5xcsSDhCk9Cqx//Z2KLQF4pAT7DTT3ta/FXOEvtGMmt2S0 71mhWiTF23J5l5ZazNyhMW4DKZD2RhlEVNFGUiteECVBxzALkJgeEQKggQX56mQWbkMI y2MzxtgKvoC/OtQGfEpDhojvBXHrCdKB4DINUj4QID3x/fASsOIgOtAuDSAjsdB9cUlm o3lg== X-Gm-Message-State: AOAM532fbOD2Z124BL+DVCR/hdX24iEaQOVpjr6qoGPEx3TzRE491azx Xk/Vx57xNNLkYHDdhHquEBpBvQ== X-Google-Smtp-Source: ABdhPJyeXbEGvlROSYzc12iqp04Fh8xESSSyL4/yMP4LQTF+v2sZ3EQkzQM1HBNIDwwwu17OzD/NHA== X-Received: by 2002:a05:622a:102:: with SMTP id u2mr2061298qtw.37.1611604091925; Mon, 25 Jan 2021 11:48:11 -0800 (PST) Received: from localhost.localdomain (c-73-69-118-222.hsd1.nh.comcast.net. [73.69.118.222]) by smtp.gmail.com with ESMTPSA id c12sm12121569qtq.76.2021.01.25.11.48.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Jan 2021 11:48:11 -0800 (PST) From: Pavel Tatashin To: pasha.tatashin@soleen.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, vbabka@suse.cz, mhocko@suse.com, david@redhat.com, osalvador@suse.de, dan.j.williams@intel.com, sashal@kernel.org, tyhicks@linux.microsoft.com, iamjoonsoo.kim@lge.com, mike.kravetz@oracle.com, rostedt@goodmis.org, mingo@redhat.com, jgg@ziepe.ca, peterz@infradead.org, mgorman@suse.de, willy@infradead.org, rientjes@google.com, jhubbard@nvidia.com, linux-doc@vger.kernel.org, ira.weiny@intel.com, linux-kselftest@vger.kernel.org, jmorris@namei.org Subject: [PATCH v8 11/14] mm/gup: change index type to long as it counts pages Date: Mon, 25 Jan 2021 14:47:48 -0500 Message-Id: <20210125194751.1275316-12-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210125194751.1275316-1-pasha.tatashin@soleen.com> References: <20210125194751.1275316-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: In __get_user_pages_locked() i counts number of pages which should be long, as long is used in all other places to contain number of pages, and 32-bit becomes increasingly small for handling page count proportional values. Signed-off-by: Pavel Tatashin Acked-by: Michal Hocko --- mm/gup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index df29825305f8..f98af75dab0f 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1479,7 +1479,7 @@ static long __get_user_pages_locked(struct mm_struc= t *mm, unsigned long start, { struct vm_area_struct *vma; unsigned long vm_flags; - int i; + long i; =20 /* calculate required read or write permissions. * If FOLL_FORCE is set, we only require the "MAY" flags. --=20 2.25.1