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b=p4+DeTqBpqvjyqhqEstOTH4YCjtN26wVOAZNLo+k4ERzuZinQ0WWvNb1euqUCZohp 0nPMIvEmUSV4jcgOqaYDGtuIgmYFoYwKDcfkX8MOo2We43h20XvR11+tAa3ym1VkR0 4asQ/rWozPvyTp+RxRZwTDK7fwN6O09dyjFCbOMw= Date: Tue, 1 Apr 2025 21:34:39 -0700 From: Andrew Morton To: Honggyu Kim Cc: Rakie Kim , gourry@gourry.net, kernel_team@skhynix.com, 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 Message-Id: <20250401213439.4e7a124d94aa42603d31d45e@linux-foundation.org> In-Reply-To: <5462e706-5b29-495d-9af9-1945e8a5445e@sk.com> References: <20250402014906.1086-1-rakie.kim@sk.com> <20250402014906.1086-4-rakie.kim@sk.com> <5462e706-5b29-495d-9af9-1945e8a5445e@sk.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 05585C0003 X-Stat-Signature: zcby87w4gczxbsjnyf4bxd5gahwe66yz X-Rspam-User: X-HE-Tag: 1743568481-123676 X-HE-Meta: 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 1I4KOi3n lLlcPAQ1CtMlYehBgw3H2d8JXG/T8zCVA0V/fHJs6ANYoolfqZ1OjdAs8N/jUZJyBXYtMSBaeahvLaFyROcQGOdopihyzZ5AdRPXxNuteQx7UFKaALa5pviFD0mIiEDycVt38ft+3oUW9Bq5vgQSG0ABZiF1tGMyh9s/aMd8zsK+6NuvcSzNAXINXJKr51SnKoiAmoTm4kEA7pTT+lChoRYAXqwBQBgVjXld/MlAwJGO8rNJF1HR+UP86M5BaBrafRMOa7nelnBSdLH8bK5KUKo62CVgXW99Bs2/OBCSZrhNLooPltD0E84SZNujuCu2QbLJpF/0C29IN/utwpMdsvHf3UV8ySEv38sazxX/FZIl9mdiNdnbcE7ivVGBNIyt2hFYw/B3W7BKrQRdB9R4sYkDncA== 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: On Wed, 2 Apr 2025 13:18:51 +0900 Honggyu Kim wrote: > This is to fix the following broken status. > https://lore.kernel.org/linux-mm/b8ac8654-92bd-4c08-a3fc-e28a7be5e0e6@sk.com > > So we must add the following tag for this patch. > Fixes: fa3bea4e1f82 ("mm/mempolicy: introduce MPOL_WEIGHTED_INTERLEAVE for > weighted interleaving") > > > Hi Gregory, > > This patch is already in Andrew's tree. Is the current version okay for you? > > > Hi Andrew, > > 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 presently have: Subject: mm/mempolicy: fix memory leaks in weighted interleave sysfs Fixes: dce41f5ae253 ("mm/mempolicy: implement the sysfs-based weighted_interleave interface") Cc: Subject: mm/mempolicy: support dynamic sysfs updates for weighted interleave Cc: Subject: mm/mempolicy: support memory hotplug in weighted interleave Fixes: fa3bea4e1f82 ("mm/mempolicy: introduce MPOL_WEIGHTED_INTERLEAVE for weighted interleaving") Cc: [2/3] doesn't look like a fix. Perhaps the whole thing should be redone: a two-patch bugfix series, each with a Fixes: and a cc:stable and feature patch with neither a Fixes: nor a cc:stable.