Message ID | 20221027125253.3458989-5-chenhuacai@loongson.cn |
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State | New |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id dm4-20020a05640222c400b00459b0141076si1344309edb.465.2022.10.27.06.04.18; Thu, 27 Oct 2022 06:05:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235124AbiJ0M5g (ORCPT <rfc822;chrisfriedt@gmail.com> + 99 others); Thu, 27 Oct 2022 08:57:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235156AbiJ0M5c (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Thu, 27 Oct 2022 08:57:32 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99DF9172B74; Thu, 27 Oct 2022 05:57:31 -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 sin.source.kernel.org (Postfix) with ESMTPS id 21F8FCE2684; Thu, 27 Oct 2022 12:57:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61B56C433C1; Thu, 27 Oct 2022 12:57:23 +0000 (UTC) From: Huacai Chen <chenhuacai@loongson.cn> To: Arnd Bergmann <arnd@arndb.de>, Huacai Chen <chenhuacai@kernel.org>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Dave Hansen <dave.hansen@linux.intel.com>, Andy Lutomirski <luto@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Dinh Nguyen <dinguyen@kernel.org> Cc: loongarch@lists.linux.dev, linux-arch@vger.kernel.org, Xuefeng Li <lixuefeng@loongson.cn>, Guo Ren <guoren@kernel.org>, Xuerui Wang <kernel@xen0n.name>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Feiyang Chen <chenfeiyang@loongson.cn>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, Huacai Chen <chenhuacai@loongson.cn> Subject: [PATCH V14 4/4] LoongArch: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP Date: Thu, 27 Oct 2022 20:52:53 +0800 Message-Id: <20221027125253.3458989-5-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221027125253.3458989-1-chenhuacai@loongson.cn> References: <20221027125253.3458989-1-chenhuacai@loongson.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747846070843718536?= X-GMAIL-MSGID: =?utf-8?q?1747846070843718536?= |
Series |
mm/sparse-vmemmap: Generalise helpers and enable for LoongArch
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Commit Message
Huacai Chen
Oct. 27, 2022, 12:52 p.m. UTC
From: Feiyang Chen <chenfeiyang@loongson.cn> 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. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> --- arch/loongarch/Kconfig | 1 + 1 files changed, 1 insertions(+)
Comments
> On Oct 27, 2022, at 20:52, Huacai Chen <chenhuacai@loongson.cn> wrote: > > From: Feiyang Chen <chenfeiyang@loongson.cn> > > The feature of minimizing overhead of struct page associated with each > HugeTLB page is implemented on x86_64. However, the infrastructure of I'd like to refer to this feature as HVO (more simplified). > this feature is already there, so just select ARCH_WANT_HUGETLB_PAGE_ > OPTIMIZE_VMEMMAP is enough to enable this feature for LoongArch. > > Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> > Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn> > Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Acked-by: Muchun Song <songmuchun@bytedance.com> Thanks.
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 6f7fa0c0ca08..0a6ef613124c 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -52,6 +52,7 @@ 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_WANT_LD_ORPHAN_WARN select ARCH_WANTS_NO_INSTR select BUILDTIME_TABLE_SORT