From patchwork Thu Jun 30 04:32:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huacai Chen X-Patchwork-Id: 12901035 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 C8932C433EF for ; Thu, 30 Jun 2022 04:34:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231724AbiF3EeO (ORCPT ); Thu, 30 Jun 2022 00:34:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231617AbiF3EeN (ORCPT ); Thu, 30 Jun 2022 00:34:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E58571F2D7; Wed, 29 Jun 2022 21:34:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8BF39620F6; Thu, 30 Jun 2022 04:34:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3983EC34115; Thu, 30 Jun 2022 04:34:07 +0000 (UTC) From: Huacai Chen To: Arnd Bergmann , Huacai Chen , Thomas Bogendoerfer , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Catalin Marinas , Will Deacon Cc: loongarch@lists.linux.dev, linux-arch@vger.kernel.org, Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , Andrew Morton , linux-mm@kvack.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Feiyang Chen , Huacai Chen Subject: [PATCH V2 4/4] LoongArch: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP Date: Thu, 30 Jun 2022 12:32:37 +0800 Message-Id: <20220630043237.2059576-5-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220630043237.2059576-1-chenhuacai@loongson.cn> References: <20220630043237.2059576-1-chenhuacai@loongson.cn> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Feiyang Chen The feature of minimizing overhead of struct page associated with each HugeTLB page is implemented on x86_64. However, the infrastructure of this feature is already there, so just select ARCH_WANT_HUGETLB_PAGE_ OPTIMIZE_VMEMMAP is enough to enable this feature for LoongArch. To avoid build error on LoongArch we should include linux/static_key.h in page-flags.h. Signed-off-by: Huacai Chen Signed-off-by: Feiyang Chen --- arch/loongarch/Kconfig | 1 + include/linux/page-flags.h | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 55ab84fd70e5..8e56ca28165e 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -49,6 +49,7 @@ config LOONGARCH select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT + select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP select ARCH_WANTS_NO_INSTR select BUILDTIME_TABLE_SORT select COMMON_CLK diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index e66f7aa3191d..28a53ac7aa3e 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -9,6 +9,7 @@ #include #include #include +#include #ifndef __GENERATING_BOUNDS_H #include #include