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[173.79.56.208]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4778317ba85sm75550481cf.55.2025.04.01.22.15.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Apr 2025 22:15:49 -0700 (PDT) Date: Wed, 2 Apr 2025 01:15:48 -0400 From: Gregory Price To: Andrew Morton Cc: Honggyu Kim , Rakie Kim , 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: 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250401213439.4e7a124d94aa42603d31d45e@linux-foundation.org> X-Rspamd-Queue-Id: 9458F4000A X-Rspamd-Server: rspam05 X-Rspam-User: X-Stat-Signature: od9ch8kibb4d3f3op6cjob38ikq3nzu3 X-HE-Tag: 1743570951-639085 X-HE-Meta: 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 Ud9rNwlv 4CmNGGcsDlegwW7MRUeHflkglQhjtVmpNBSN6qPZysGjy8xRJl7Aaz5yelZhWCWXRS1CikMukjRXEE4rUS+uSfm3nSwQHNLLGbNU59jIKAa22uv2/5NtXkRrMtudQItIpivkag1sOyfKKWYeZmuSIbjntrxcNoSekuV0djwEBUHu56H0WVdmFNg7dp0S89W4DGmVwZSPRffi9N/UcdtjNi5/2vb3NASXldCeZReZuWNLYa5X96okKPyCASC9t8dVqTqQR9KQYld+MmUfZo/kuO7xjrwDvwk3cYUAetFy4SCOw+BZ/Hkk56CLassQzr8vigdnYVuy1s4WxIshu3CwK+C8Pg2fCTnMpuzAn8d3ctggcah48HfxAX2k35QJO3K6VRrBxCZ9Usl5HGi9Qm4YC/JkC1CGX56sXm/5AnkdbRWpYQv+bneW9ZHiyy2kfP+CK69h0 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 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. ~Gregory