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[23.128.96.18]) by mx.google.com with ESMTP id r18si11024048plr.589.2022.01.31.03.50.17; Mon, 31 Jan 2022 03:50:28 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351837AbiA1XvS convert rfc822-to-8bit (ORCPT + 99 others); Fri, 28 Jan 2022 18:51:18 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:29482 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344725AbiA1XvQ (ORCPT ); Fri, 28 Jan 2022 18:51:16 -0500 Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 20SKhMY6026408 for ; Fri, 28 Jan 2022 15:51:16 -0800 Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3dv7skekt1-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 28 Jan 2022 15:51:15 -0800 Received: from twshared22811.39.frc1.facebook.com (2620:10d:c085:208::f) by mail.thefacebook.com (2620:10d:c085:11d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Fri, 28 Jan 2022 15:51:14 -0800 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id 2A2AD28E02F07; Fri, 28 Jan 2022 15:45:25 -0800 (PST) From: Song Liu To: , , CC: , , , , , , , Song Liu Subject: [PATCH v7 bpf-next 1/9] x86/Kconfig: select HAVE_ARCH_HUGE_VMALLOC with HAVE_ARCH_HUGE_VMAP Date: Fri, 28 Jan 2022 15:45:09 -0800 Message-ID: <20220128234517.3503701-2-song@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220128234517.3503701-1-song@kernel.org> References: <20220128234517.3503701-1-song@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: 8i2bbdXN5xmP5NoX9gRtsebuBsVSKBkm X-Proofpoint-ORIG-GUID: 8i2bbdXN5xmP5NoX9gRtsebuBsVSKBkm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-28_08,2022-01-28_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=fb_outbound_notspam policy=fb_outbound score=0 mlxlogscore=910 phishscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 clxscore=1034 mlxscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2201280129 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Song Liu This enables module_alloc() to allocate huge page for 2MB+ requests. To check the difference of this change, we need enable config CONFIG_PTDUMP_DEBUGFS, and call module_alloc(2MB). Before the change, /sys/kernel/debug/page_tables/kernel shows pte for this map. With the change, /sys/kernel/debug/page_tables/ show pmd for thie map. Signed-off-by: Song Liu --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8910b09b5601..b5d1582ea848 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -158,6 +158,7 @@ config X86 select HAVE_ALIGNED_STRUCT_PAGE if SLUB select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_HUGE_VMAP if X86_64 || X86_PAE + select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN if X86_64 -- 2.30.2