Received: by 2002:a89:413:0:b0:1fd:dba5:e537 with SMTP id m19csp150662lqs; Thu, 13 Jun 2024 06:37:41 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCU0ylgrDWOg0BE8W72g5HMT89dM1MVUIFj+CPGIY9soc446Z/FD9AihDrHG0bLUQgUHdu4g8MzH/hI9sZjrD/49Vahl3b1gbycN1cp94A== X-Google-Smtp-Source: AGHT+IEAZO0+IPyHaKAs1m82hnpeBQ2HjstwGCiD/5DEEjkegRS63ZzjOy+2BjMS4lQWqr0Kjiuk X-Received: by 2002:a05:6870:88a7:b0:254:bb9e:7d75 with SMTP id 586e51a60fabf-25514b74b3amr5436331fac.15.1718285860959; Thu, 13 Jun 2024 06:37:40 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1718285860; cv=pass; d=google.com; s=arc-20160816; b=eadY84OWiiTwl6o4CnAvC62uvFGC3cEF/m6NmrEW+nA8j2O4+e4attKKDV6OyWYwSV 9SGqP4hi8LWenlmhr4m3SqywkUgsap32CJWAOIbnCDBPsGlJISxER0SvKWn5eP0Xi3rW GLNsdbE0meeeWK6ACG+fCyb1gYNFlEJgKDCeg24XJarlE103FvZ6kGFAbUv1nr1Ho8S1 1stZ4pAucNIlM5OmxEU3CAbT0aSZyzdJ5qnQYb6iG88x8e0m81rU5EpN3Lli5lhiV6dD UXsGoXMbbpiPDQ+bwXx8I/FRgOF/7esNeEXmtioqBVoC9ikqN6KWaA9DkcMTpx0Ctyqb HQ3Q== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from; bh=RBOHaaH5Rs+e5b9/QLmYv6hlDp35cP3/bar/RNQswUE=; fh=kmFg0o/LNs2DiEGfUo+q90t6L06hzlXiZTsp2XE/BIg=; b=0xc/GAfQWLE/FjazIqxRCmeeU8PTQCNmJ/pDl+aslMCunwe5AaQ6yUE3lma1YGfox1 aBVIw8NFTUi+dnUPU1wI4i51HW+dyuiB8kBS5wy9RFUZnCmHEpRFnE5pAfeoLSdBtXux fjDzqEDXzdxccWL6sbaRZsiJoIkkyvIA8N3v0LNZqKcECreGfPIKx+WEhiHykeh0bGDj tF+jvWZj2S2sNUmhECGiXOHjwh8KCtXlcRrvKeBoFHLUNK9NvCi49+SCm8owlGt6sDtK 64FI1MbHGqyEUKTDo2UQpqQ2fBGuHeKzOz0V1NPVrGJsJd/7EigTk+iogv05QrGiNzAR bW5A==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1 spf=pass spfdomain=sk.com); spf=pass (google.com: domain of linux-kernel+bounces-213317-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-213317-linux.lists.archive=gmail.com@vger.kernel.org" Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id 41be03b00d2f7-6fed51cff36si1338105a12.0.2024.06.13.06.37.40 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jun 2024 06:37:40 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-213317-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=sk.com); spf=pass (google.com: domain of linux-kernel+bounces-213317-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-213317-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 9745528ADBE for ; Thu, 13 Jun 2024 13:27:54 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 83848143C41; Thu, 13 Jun 2024 13:27:45 +0000 (UTC) Received: from invmail4.hynix.com (exvmail4.skhynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6CC17143C5D; Thu, 13 Jun 2024 13:27:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.125.252.92 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718285265; cv=none; b=Geg19qSIEEKeYLIKCJslJRRmFr3RGO0lj94LhefXKqVgmlWL7OsoEaPlhKas2s+MSXoQa7O25vHexDtkoR3v3ETIzXXcbS80+lP/PAxAcxhOWAa2AC1pZa1OIRC0j1rxY/8xPFD2nZ9UA7AnuIiJznoIN3MslnDgfyt753EbPkc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718285265; c=relaxed/simple; bh=XMLRI6kBv0aR9hMmaRg4V90yMlpqpImy5EvudAnSBq0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M1c2VvHeUczlF/8/wTzeKxTpDw5OoKF5GYUx8uGa93kARgWQ38vomuduZpirDw3dezZXgzjv+zZdhAmLCNmK0YOwNjQE5EyXd08x6zq4fxQxhxTVUsmAreeYbqS8XpbZeZ3eeXCsriS58E4zKXaagZEtOlsfDNa6gJdkuBCiLlM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com; spf=pass smtp.mailfrom=sk.com; arc=none smtp.client-ip=166.125.252.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sk.com X-AuditID: a67dfc5b-d6dff70000001748-f1-666af3cb7f2e From: Honggyu Kim To: SeongJae Park Cc: Andrew Morton , Masami Hiramatsu , Mathieu Desnoyers , Steven Rostedt , Gregory Price , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, 42.hyeyoo@gmail.com, art.jeongseob@gmail.com, kernel_team@skhynix.com, Honggyu Kim , Hyeongtak Ji , Rakie Kim , Yunjeong Mun , damon@lists.linux.dev Subject: Re: [PATCH 0/8] DAMON based tiered memory management for CXL memory Date: Thu, 13 Jun 2024 22:27:26 +0900 Message-ID: <20240613132730.650-1-honggyu.kim@sk.com> X-Mailer: git-send-email 2.43.0.windows.1 In-Reply-To: <20240613131741.513-1-honggyu.kim@sk.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrNLMWRmVeSWpSXmKPExsXC9ZZnke7pz1lpBrNnillM7DGwmLN+DZvF /Qev2S2e/P/NatHQ9IjF4vKuOWwW99b8Z7U4sv4si8Xms2eYLRYvV7PY1/GAyeLw1zdMDjwe S0+/YfPYOesuu0fLvlvsHptWdbJ5bPo0id3jxIzfLB4vNs9k9Nj48T+7x+dNcgGcUVw2Kak5 mWWpRfp2CVwZL9ZHFSxnqzja38zawNjP2sXIySEhYCKx8vgvdhj79LlXzCA2m4CaxJWXk5hA bBEBRYlzjy8C1XNxMAtsZZGYs6GFESQhLOAjMevtexYQm0VAVeL0rh1sIDavgKnE6hvn2CCG ako83v4TbAGngJnEum/3wXqFBHgkXm3YzwhRLyhxcuYTsDnMAvISzVtnM4MskxD4zSax8vtL qOskJQ6uuMEygZF/FpKeWUh6FjAyrWIUyswry03MzDHRy6jMy6zQS87P3cQIjIJltX+idzB+ uhB8iFGAg1GJh9fjWVaaEGtiWXFl7iFGCQ5mJRHeWQuBQrwpiZVVqUX58UWlOanFhxilOViU xHmNvpWnCAmkJ5akZqemFqQWwWSZODilGhjdzx6QWcPmspB35tqyWut9KS7aHfcyWJ4F+F0q 5bfw2XB3CovB1QVX9n4PfT3LtGjBh7dmJ8QMfD8Zf5Zmt3z36amaCuv8G5b6S7JfLE4/3L4s 5LPqauXk3c+ExE7e1yx4fKN9SedeheXbBLlli3p3cr7TfPqCXX2HVDVj//lfizPXfwx+w3xO iaU4I9FQi7moOBEAv0xGa34CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrFLMWRmVeSWpSXmKPExsXCNUNLT/f056w0g/Wt3BYTewws5qxfw2Zx /8Frdosn/3+zWjQ0PWKx+PzsNbNF55PvjBaH555ktbi8aw6bxb01/1ktjqw/y2Kx+ewZZovF y9UsDl17zmqxr+MBk8Xhr2+YLH5vW8HmIOix9PQbNo+ds+6ye7Tsu8XusWlVJ5vHpk+T2D1O zPjN4vFi80xGj40f/7N7fLvt4bH4xQcmj8+b5AK4o7hsUlJzMstSi/TtErgyXqyPKljOVnG0 v5m1gbGftYuRk0NCwETi9LlXzCA2m4CaxJWXk5hAbBEBRYlzjy8C1XBxMAtsZZGYs6GFESQh LOAjMevtexYQm0VAVeL0rh1sIDavgKnE6hvn2CCGako83v6THcTmFDCTWPftPlivkACPxKsN +xkh6gUlTs58AjaHWUBeonnrbOYJjDyzkKRmIUktYGRaxSiSmVeWm5iZY6pXnJ1RmZdZoZec n7uJERgDy2r/TNzB+OWy+yFGAQ5GJR5ej2dZaUKsiWXFlbmHGCU4mJVEeGctBArxpiRWVqUW 5ccXleakFh9ilOZgURLn9QpPTRASSE8sSc1OTS1ILYLJMnFwSjUwTmXq03ecE8G8x94o5Ngh 3peSi950PTpR+THUf97byGrzLSwr/ERev3iU8Cjo4lrP1wb8fpr1Bq0JSZvX3W5vr/1f1tHs Yji7f5bnPuvnMY+TlZUbt3spPdkYl8u9OTV36wPO67fEcr1U+I5JZB3wV7/d2iWoZrnA95L8 y5vC53WdhN0uigopsRRnJBpqMRcVJwIAwTMx4X0CAAA= X-CFilter-Loop: Reflected On Thu, 13 Jun 2024 22:17:31 +0900 Honggyu Kim wrote: > There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously > posted at [1]. > > It says there is no implementation of the demote/promote DAMOS action > are made. This patch series is about its implementation for physical > address space so that this scheme can be applied in system wide level. > > Changes from RFC v4: > https://lore.kernel.org/20240512175447.75943-1-sj@kernel.org > 1. Add usage and design documents > 2. Rename alloc_demote_folio to alloc_migrate_folio > 3. Add evaluation results with "demotion_enabled" true > 4. Rebase based on v6.10-rc3 Sorry for making confusion, I didn't add "PATCH v5" tag for this patch series so please ignore and see the resent one. Honggyu