From patchwork Wed Mar 23 12:25:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vaishali Thakkar X-Patchwork-Id: 8649671 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 398B49F44D for ; Wed, 23 Mar 2016 12:51:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B80F7203C3 for ; Wed, 23 Mar 2016 12:51:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 096A3203C0 for ; Wed, 23 Mar 2016 12:51:37 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aiiEW-0004Wp-8W; Wed, 23 Mar 2016 12:49:56 +0000 Received: from userp1040.oracle.com ([156.151.31.81]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aiiEN-0004Lf-RV for linux-arm-kernel@lists.infradead.org; Wed, 23 Mar 2016 12:49:52 +0000 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u2NCnA3a025325 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Mar 2016 12:49:10 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u2NCn95R026440 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Wed, 23 Mar 2016 12:49:09 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u2NCmwtv020534; Wed, 23 Mar 2016 12:49:07 GMT Received: from vaishali.oracle.com (/43.249.235.157) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 23 Mar 2016 05:48:57 -0700 From: Vaishali Thakkar To: akpm@linux-foundation.org Subject: [PATCH v2 2/6] arm64: mm: Use hugetlb_bad_size Date: Wed, 23 Mar 2016 17:55:59 +0530 Message-Id: <1458735959-15677-1-git-send-email-vaishali.thakkar@oracle.com> X-Mailer: git-send-email 2.1.4 X-Source-IP: userv0022.oracle.com [156.151.31.74] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160323_054948_094574_ECFBB65E X-CRM114-Status: GOOD ( 12.32 ) X-Spam-Score: -4.2 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Hocko , Paul Gortmaker , catalin.marinas@arm.com, Hillf Danton , will.deacon@arm.com, linux-kernel@vger.kernel.org, Dominik Dingel , linux-mm@kvack.org, Dave Hansen , "Kirill A. Shutemov" , Yaowei Bai , Vaishali Thakkar , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Update the setup_hugepagesz function to call the routine hugetlb_bad_size when unsupported hugepage size is found. Signed-off-by: Vaishali Thakkar Reviewed-by: Mike Kravetz Reviewed-by: Naoya Horiguchi Cc: Hillf Danton Cc: Michal Hocko Cc: Yaowei Bai Cc: Dominik Dingel Cc: Kirill A. Shutemov Cc: Paul Gortmaker Cc: Dave Hansen --- Please note that the patch is tested for x86 only. But as this is one line change I just changed them all. So, it would be good if the patch can be tested for other architectures before adding this in to mainline. Changes since v1: - Separate different arch specific changes in different patches instead of one --- arch/arm64/mm/hugetlbpage.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 589fd28..aa8aee7 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -307,6 +307,7 @@ static __init int setup_hugepagesz(char *opt) } else if (ps == PUD_SIZE) { hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); } else { + hugetlb_bad_size(); pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10); return 0; }