From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EE23280C04 for ; Fri, 28 Jun 2024 23:59:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719619160; cv=none; b=MmBvqjpcRFONRFlNWmsV9L10Wsnbh7nOGY0v47q83opCeWCHDaRgapP90gkv/2RHEyf5t/rDoXbDP7jzPv9B4EzpF9Pt9938eFXAh36kN1ROsrLXJpXtjCVPvvq6IGAQzHKnWydP9AtfRbGloCcoAJIO1l4ZT4MboHM5MYd1CgE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719619160; c=relaxed/simple; bh=INzl0VAMtB9S7QxnFkCqH/p4EcPJarQG0UL4FcqhOq4=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=UcSVaeZj+MINVTAcqNlq8LteS3EXKX/Q/iM9hMP7b0JhfqDw0uGcGL0SYQsGHR3P03FXgaeN7hkEqQEeiqozwkKT6kWSOuH9YugiO99HDYqbuI/xpBQ0KXLtzh8Wg/yuUKAJ3TW3X2fVdDqzCQ7lr8raVswDH9D3JNnQAWc10bs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=GGSqFKvO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="GGSqFKvO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F0B9C116B1; Fri, 28 Jun 2024 23:59:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1719619159; bh=INzl0VAMtB9S7QxnFkCqH/p4EcPJarQG0UL4FcqhOq4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=GGSqFKvONULBPIcg9d7uxnX18/RdTnWWAQqVSsoj4b5pHffSZs57Dr3JaM4RePolX Tv7BfovQQ0cAI5IRoZzNcHtN2Wngr6lUSt9r6ods1kfLRcdh3gqRCVpDmJLJB0iVto s0ZDIxl+ee+XiqC4APqXH5uKh+xJc6qkaegV/Uo0= Date: Fri, 28 Jun 2024 16:59:18 -0700 From: Andrew Morton To: Chengming Zhou Cc: david@redhat.com, aarcange@redhat.com, hughd@google.com, shr@devkernel.io, linux-mm@kvack.org, linux-kernel@vger.kernel.org, zhouchengming@bytedance.com Subject: Re: [PATCH v2 0/3] mm/ksm: cmp_and_merge_page() optimizations and cleanup Message-Id: <20240628165918.f9f2d7eb230cf26cd6d0c81b@linux-foundation.org> In-Reply-To: <20240621-b4-ksm-scan-optimize-v2-0-1c328aa9e30b@linux.dev> References: <20240621-b4-ksm-scan-optimize-v2-0-1c328aa9e30b@linux.dev> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 21 Jun 2024 15:54:28 +0800 Chengming Zhou wrote: > This series mainly optimizes cmp_and_merge_page() to have more efficient > separate code flow for ksm page and non-ksm anon page. Is anyone interested in reviewing this patchset further?