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From: Muchun Song In-Reply-To: <20221027125253.3458989-5-chenhuacai@loongson.cn> Date: Thu, 3 Nov 2022 10:49:17 +0800 Cc: Arnd Bergmann , Huacai Chen , Thomas Bogendoerfer , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Catalin Marinas , Will Deacon , Dinh Nguyen , loongarch@lists.linux.dev, linux-arch@vger.kernel.org, Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , Andrew Morton , Linux Memory Management List , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Feiyang Chen , =?utf-8?Q?Philippe_Mathieu-Daud=C3=A9?= Content-Transfer-Encoding: quoted-printable Message-Id: References: <20221027125253.3458989-1-chenhuacai@loongson.cn> <20221027125253.3458989-5-chenhuacai@loongson.cn> To: Huacai Chen X-Migadu-Flow: FLOW_OUT ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1667443778; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=o9XdBdpdcG1/NkMU2aaMoc8QZfSgfsLLPXvYeGPTeUY=; b=rQ6iHTD3OKG5MEBZ5jn6LFj/fpOcuu0mhUSU261qewelhaKQ/8+Wadf0hn+PE3AbdWv2pW Nx1ihyIewoZ/8LY9tQubh2rDXq7qXAOlt59Zt9SBKwNZbIX1fDLQb1MOcqJxHTMbdMkCQH qLbh3pWEaHyMiIN+zQ183NHkoROMK7g= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="gd3IyuG/"; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf28.hostedemail.com: domain of muchun.song@linux.dev designates 188.165.223.204 as permitted sender) smtp.mailfrom=muchun.song@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1667443778; a=rsa-sha256; cv=none; b=7YSfDuRiB1Z2LKbeoOV7PaPXPzMRHWg2r27XCERbDCuZN3zTDT1ToJHx+wKABlE+Wb6vv9 NWBwPWlqs+78N/srYDykIKwvhdKJ+1qLl6w6AJtk7NsDl/iL+QGXU2Ir4CVWMr9MNtTxBU XxsOcip31ZrhgF1RUyoh3Lp3+smcpYk= Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="gd3IyuG/"; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf28.hostedemail.com: domain of muchun.song@linux.dev designates 188.165.223.204 as permitted sender) smtp.mailfrom=muchun.song@linux.dev X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: DBA4CC0002 X-Stat-Signature: s1mxgfjh3mumcdutgtmuskfwbydzoe79 X-HE-Tag: 1667443777-950015 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Oct 27, 2022, at 20:52, Huacai Chen wrote: >=20 > From: Feiyang Chen >=20 > 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. >=20 > Reviewed-by: Philippe Mathieu-Daud=C3=A9 > Signed-off-by: Feiyang Chen > Signed-off-by: Huacai Chen Acked-by: Muchun Song Thanks.=