From nobody Tue Apr 7 16:31:37 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52FA5ECAAD7 for ; Fri, 26 Aug 2022 09:25:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343907AbiHZJZ2 (ORCPT ); Fri, 26 Aug 2022 05:25:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343680AbiHZJY7 (ORCPT ); Fri, 26 Aug 2022 05:24:59 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E43F7E039 for ; Fri, 26 Aug 2022 02:24:57 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MDZ8f6JyGzlWP2; Fri, 26 Aug 2022 17:21:38 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 26 Aug 2022 17:24:55 +0800 From: Miaohe Lin To: , , CC: , , Subject: [PATCH 10/10] hugetlb: make hugetlb selects SYSFS if !SYSCTL Date: Fri, 26 Aug 2022 17:24:22 +0800 Message-ID: <20220826092422.39591-11-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220826092422.39591-1-linmiaohe@huawei.com> References: <20220826092422.39591-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If CONFIG_SYSFS and CONFIG_SYSCTL are both undefined, hugetlb doesn't work now as there's no way to set max huge pages. Make sure at least one of the above configs is defined to make hugetlb works as expected. Signed-off-by: Miaohe Lin --- fs/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/Kconfig b/fs/Kconfig index a547307c1ae8..b266e7b5de85 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -235,6 +235,7 @@ config ARCH_SUPPORTS_HUGETLBFS config HUGETLBFS bool "HugeTLB file system support" depends on X86 || IA64 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN + select SYSFS if !SYSCTL help hugetlbfs is a filesystem backing for HugeTLB pages, based on ramfs. For architectures that support it, say Y here and read --=20 2.23.0