From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E87E6C28B20 for ; Wed, 2 Apr 2025 05:32:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1C9BF280005; Wed, 2 Apr 2025 01:32:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 151B1280001; Wed, 2 Apr 2025 01:32:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F3590280005; Wed, 2 Apr 2025 01:32:07 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id D5B98280001 for ; Wed, 2 Apr 2025 01:32:07 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id B1F1D1CC711 for ; Wed, 2 Apr 2025 05:32:08 +0000 (UTC) X-FDA: 83287982736.04.8A56A23 Received: from invmail4.hynix.com (exvmail4.skhynix.com [166.125.252.92]) by imf02.hostedemail.com (Postfix) with ESMTP id 165F68000C for ; Wed, 2 Apr 2025 05:32:05 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=none; spf=pass (imf02.hostedemail.com: domain of honggyu.kim@sk.com designates 166.125.252.92 as permitted sender) smtp.mailfrom=honggyu.kim@sk.com; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1743571927; 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; bh=zxGQOpqlt4srRrYcrDTww4aOW/CoYL0othuoeypnAfs=; b=SAs2b30mxDuRCpRXOZBjXN0YbDRND73hmcozpthYDg3qkfXoiQgYFpFTtdxIJLnxtbJkKK Cspf/pCm9UgdKJebL0Ki19u3v8ePoI3aLagI378UPImiblSQtxunBUv067qfa3U8gDOFdD DAsPFNKSOWlAkkI9z5Keb0VqqVeBDZg= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1743571927; a=rsa-sha256; cv=none; b=jp1xEhODPlaFGS5GYMEMi16UcDjXO2iCTY2SfYYGjtg/mYeghpYy+EpI5GpmY6iUTH8X/x smIXS+sUtch2DggTV2vVnuQkTU5pmar1l9fa9lkWKnY7bJkBoxmR976jrW80UIQgv0GL7w 2L4D9RjHs852cfJhVClLKJD8/DlW4Wo= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=none; spf=pass (imf02.hostedemail.com: domain of honggyu.kim@sk.com designates 166.125.252.92 as permitted sender) smtp.mailfrom=honggyu.kim@sk.com; dmarc=none X-AuditID: a67dfc5b-669ff7000002311f-59-67eccbd394c9 Message-ID: <62664200-c087-48ed-960f-264f340cf7af@sk.com> Date: Wed, 2 Apr 2025 14:32:03 +0900 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: kernel_team@skhynix.com, Rakie Kim , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org, joshua.hahnjy@gmail.com, dan.j.williams@intel.com, ying.huang@linux.alibaba.com, david@redhat.com, Jonathan.Cameron@huawei.com, yunjeong.mun@sk.com Subject: Re: [PATCH v5 3/3] mm/mempolicy: Support memory hotplug in weighted interleave Content-Language: ko To: Gregory Price , Andrew Morton References: <20250402014906.1086-1-rakie.kim@sk.com> <20250402014906.1086-4-rakie.kim@sk.com> <5462e706-5b29-495d-9af9-1945e8a5445e@sk.com> <20250401213439.4e7a124d94aa42603d31d45e@linux-foundation.org> From: Honggyu Kim In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprMIsWRmVeSWpSXmKPExsXC9ZZnke6V02/SDW42sVjMWb+GzWL61AuM Fl/X/2K2+Hn3OLvFqoXX2CyOb53HbnF+1ikWi8u75rBZ3Fvzn9Vi9ZoMBy6PnbPusnt0t11m 92g58pbVY/Gel0wemz5NYvc4MeM3i8fOh5Ye7/ddZfP4vEkugDOKyyYlNSezLLVI3y6BK+P+ 5fUsBZ85K9ZNe87WwHiXvYuRk0NCwETi1uY2Rhi7+9tfsDivgKXEnEurmUFsFgEViZkbr7BB xAUlTs58wgJiiwrIS9y/NQOonouDWWAxk8SztefAmoUFIiU2TLrOBGIzC4hIzO5sAxskIhAk 8fnpWiaQBiGBP4wSE/ovgm1mE1CTuPJyElgDp4CZRHPzf2aIZjOJrq1djBC2vMT2t3OYQZol BJrZJWa8vw51tqTEwRU3WCYwCs5CcuEsJMtnIZk1C8msBYwsqxiFMvPKchMzc0z0MirzMiv0 kvNzNzECo2pZ7Z/oHYyfLgQfYhTgYFTi4W3gfZMuxJpYVlyZe4hRgoNZSYQ34uvLdCHelMTK qtSi/Pii0pzU4kOM0hwsSuK8Rt/KU4QE0hNLUrNTUwtSi2CyTBycUg2MvFpvnsjt6m+wYDr/ Kjn9zU6VW/wLN78MOf18+yIzsX2Cz46ke/+w5amekvxw4s7YP7NtUgJS/i689XLWhdNOgit3 fbXdz3OAheGq7UGlm/ujRQK+Mrgc5BVU+qS46XLnj9shJzKWXfN7t7h0/TI93uu10YLGj7aJ qrrJvV3wp+b72tSu/Z+uH1NiKc5INNRiLipOBADUiO7npgIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupgkeLIzCtJLcpLzFFi42LhmqGlp3v59Jt0g4/LLCzmrF/DZjF96gVG i6/rfzFb/Lx7nN1i1cJrbBbHt85jtzg89ySrxflZp1gsLu+aw2Zxb81/VotD156zWqxek2Hx e9sKNgdej52z7rJ7dLddZvdoOfKW1WPxnpdMHps+TWL3ODHjN4vHzoeWHu/3XWXz+Hbbw2Px iw9MHp83yQVwR3HZpKTmZJalFunbJXBl3L+8nqXgM2fFumnP2RoY77J3MXJySAiYSHR/+wtm 8wpYSsy5tJoZxGYRUJGYufEKG0RcUOLkzCcsILaogLzE/VszgOq5OJgFFjNJPFt7DqxZWCBS YsOk60wgNrOAiMTszjawQSICQRKfn65lAmkQEvjDKDGh/yIjSIJNQE3iystJYA2cAmYSzc3/ mSGazSS6tnYxQtjyEtvfzmGewMg3C8khs5DsmIWkZRaSlgWMLKsYRTLzynITM3NM9YqzMyrz Miv0kvNzNzEC42dZ7Z+JOxi/XHY/xCjAwajEwyvQ8yZdiDWxrLgy9xCjBAezkghvxNeX6UK8 KYmVValF+fFFpTmpxYcYpTlYlMR5vcJTE4QE0hNLUrNTUwtSi2CyTBycUg2MU7ZKeHEUntyU qP49+derTmVVYR/36v0XPZ9ujH/y8UjA9d+3k++4Sm4903TlxddwoT0lv/3uqZaJMX8Ka7jW nXRWKV9a9Poslm3OBTPP/9n57SXz80+8DffLJgQ/Ld73ZcI35s0zihpVDvwuqF8ja3HUd+9E 12Ube+v+RJjvL1v9TMfYpeDJbCWW4oxEQy3mouJEALRH1nWbAgAA X-CFilter-Loop: Reflected X-Stat-Signature: zcjnimrh6zb554gbxutx91bdd13wocnh X-Rspam-User: X-Rspamd-Queue-Id: 165F68000C X-Rspamd-Server: rspam08 X-HE-Tag: 1743571925-458833 X-HE-Meta: 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 v7ZcJOZY CI3xFqkXpTVNwz7sipcKJIgHADY+IrspXkCoR1Cr/N3ZIZ7YQHznnrLAsJKGBhGc/hp5Ii55YOBqyebL5x775sY/9BP51VlzAPJp6gGG8dqux3DIup6BpiQeEQA== 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: List-Subscribe: List-Unsubscribe: Hi Gregory, On 4/2/2025 2:15 PM, Gregory Price wrote: > On Tue, Apr 01, 2025 at 09:34:39PM -0700, Andrew Morton wrote: >>> I'm not sure if this is going to the final version but could you please add this >>> patch to stable with Cc: ? >>> We might need to bring the whole series to avoid conflicts to stable tree. >> >> This is all rather confused. >> >> Do we need to backport all three patches into -stable? If so, all three >> should have Fixes:. Preferably they all have the same Fixes: so we >> aren't backporting untested patch combinations. >> > > I'd just as soon leave the entire thing out of stable backports. > > Only the first patch actually fixes a bug (very small memory leak > during system tear down, so it's not even a critical bug). This could > be added to stable. > > Patches 2 and 3 aren't fixes, they're desired behavioral changes > to the feature. An interface being confusing doesn't mean it's broken. I think those are fixes but I also agree that this is behavioral changes as well. So I'm fine leaving these out of stable backports. Hi Andrew, I won't ask changes so please keep the current status as is. Sorry for making confusion. Thanks, Honggyu > > ~Gregory