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 79DAD15C14B for ; Mon, 20 Jan 2025 18:33:35 +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=1737398015; cv=none; b=PuvYW/yV3w9UIGlNfM6kA7dOZz0Nh4xOJ8+kFDGzGIULFPpVrmX4kD94qV0FjQJj22JTFw3cMgFCIMIq6AQMgaBbd1xEbaGZCHi00lEFJ+T7pSZKI0mo3p2k3Kb22HwxUrRCBPLlZdV88+CkdyEb5QZxWw+cVePSWX8NRL0v1MI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737398015; c=relaxed/simple; bh=5tGSMpy9nxQRV6lpgAqhT95YniwwNPVJ25tW700gtGM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=jcM6N4N1Ezz80adR02pB9s/fWvnY74ayHEmrB6xO+5YBxA5DQ4MZYHcOCyXTyhf53EPKI7U2un/fY2Y8QJVDFwN+PSGDoAGNe4lSzPa7EP5KuJ2bne15iIO9hnCFCa/lOXvITX4/VPXjAr0LWv/Sh8gkuYKytiwgC8xoJBM7iOA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ih/gntzV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ih/gntzV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAA79C4CEDD; Mon, 20 Jan 2025 18:33:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1737398014; bh=5tGSMpy9nxQRV6lpgAqhT95YniwwNPVJ25tW700gtGM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ih/gntzVyxcI92ke15Hx9iC61MtHnWWfhv41l9MHhsv1QmJNkamxSISz4uI9QLCI1 t++x7G/IBUHRqZbfCCEMdgpMVwgBHywEQhTGGRy260FwJp4zD6NDLv2TLFfGE+lqyU zgMe+R5p0KHCmprsfa191tZzICp1FtHBrYieFiu6QB1mISFckTkFxaJ28rHE6Am0GS eC0SwrpdPxK97WdLHkcqTfhM3D30sdBCrrIPMPk0C1419Ps196VCA52T02D7c/yzAv Lw2TrCSpjKg4VC0YTVqOL/EptCSmdqT+mbkFgt0TigY1GYN2HIhjqwubefLv+hMwwL QWNAfUQUbXDww== From: SeongJae Park To: Usama Arif Cc: SeongJae Park , akpm@linux-foundation.org, damon@lists.linux.dev, linux-mm@kvack.org Subject: Re: [PATCH v3 2/2] mm/damon: introduce DAMOS filter type hugepage Date: Mon, 20 Jan 2025 10:33:30 -0800 Message-Id: <20250120183330.35625-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250120181959.2564362-2-usamaarif642@gmail.com> References: Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Mon, 20 Jan 2025 18:19:59 +0000 Usama Arif wrote: > This is to gather statistics to check if memory regions of specific > access tempratures are backed by hugepages. This includes both THPs > and hugetlbfs. > This filter can help to observe and prove the effectivenes of > different schemes for shrinking/collapsing hugepages. > > Signed-off-by: Usama Arif Reviewed-by: SeongJae Park > --- > v2 -> v3: > - expose hugepage via sysfs even if the kernel is > built without hugepage support. DAMON will just > just return 0. (SJ Park) > > v1 -> v2: > - Wrap DAMOS_FILTER_TYPE_HUGEPAGE case with > CONFIG_PGTABLE_HAS_HUGE_LEAVES (SJ Park) Thank you for writing and patiently revisioning this nice patch! Thanks, SJ [...]