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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50DF0C433F5 for ; Tue, 5 Oct 2021 20:57:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 130D66137C for ; Tue, 5 Oct 2021 20:57:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 130D66137C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Mime-Version:References:In-Reply-To: Message-Id:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DRniav9xaI/TEDwp+fJDW2PfmE2fhrt99Uo0qMkRJGM=; b=0VJXmshmxB+Sta 3rgicJvP2XiWlwKqwBDF4lXTrwVou1Bz/hAJZHa1TkQVOfnjONv7XJGwYk2V+4U1SCtzCAvv1ELon gzXG8DqlhT1Jo/Y9XKzGV8wPB2Rf3iwTRoILJuMBmNEpBLigb9QQxAdYeDZG5L6gkkNzK/uve7AT+ vYHaXGf2KLVX1sCApCDA24fRHIN2v7eGFrrLFeqzccZLETjVjjMib9pRDNSjF29NmeWETx12VfmCN 9Q4T4E7MjlVWEPKelTnJQXB9o/HUl9/kmrkIlWV26yfAJ+JTWs54ZKi5AS/fVWFy2QHQF9yIxS9aY lmYDRU2+Kg4k/wpFdigw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXrSf-00Bs4f-Lj; Tue, 05 Oct 2021 20:54:53 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXrSP-00Bs4O-4c for linux-arm-kernel@lists.infradead.org; Tue, 05 Oct 2021 20:54:38 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id BDFDC6121F; Tue, 5 Oct 2021 20:54:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1633467276; bh=vrx4nycNQWe2zmH+Kp1Mpj5jptOEbE1oU7OEdqQQccs=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=E5hcnzj+39m9VFZG2KWUDcC8VTs69ZGMY/BhDLHVq725LOL7svRszbZU3EtkyYacn kmlxB1l9gYYSsmSMpnkgE7f2H129rVkpJWzWCgBmRDn41RVZo5ZjDxC2l8wt6xLMt/ HCMnMX+CsoW0f//3reQDnRYwM1uUQm/UAYxuBq1U= Date: Tue, 5 Oct 2021 13:54:35 -0700 From: Andrew Morton To: Mike Kravetz Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Anshuman Khandual , Will Deacon , Mark Rutland , Barry Song , stable@vger.kernel.org Subject: Re: [PATCH] arm64/hugetlb: fix CMA gigantic page order for non-4K PAGE_SIZE Message-Id: <20211005135435.341477bb4b50b84202c32450@linux-foundation.org> In-Reply-To: <20211005202529.213812-1-mike.kravetz@oracle.com> References: <20211005202529.213812-1-mike.kravetz@oracle.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211005_135437_231938_9A59C626 X-CRM114-Status: UNSURE ( 8.09 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 5 Oct 2021 13:25:29 -0700 Mike Kravetz wrote: > For non-4K PAGE_SIZE configs, the largest gigantic huge page size is > CONT_PMD_SHIFT order. What are the user visible effects of this bug? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel