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b=ptuA/OvltuPdVFVrhaioHbpDtjjM/9DLVoKZRVx29LpT6Lc27PzSLHnMoWj+LabK/ eSB+1RL4IAAJL4T1VXQJ5+iYTsn7JXgyGlOH4hzbM11KXJFo6qB4aU5mlTE/iTrs37 aPkgsNTYjGHXOq3fe79+sF/CACO/9Myq4aFvNdzvvbjDzHUL52XDc12HUyqe478iBS fXIPutO5ul1uTbTGhX5oNMA15xV/XnW2crYH7vx7LIJdw293p9Y/CN0DlDz2CUlZBd g4BCf7eHVj2CB4TlEPmfSE7rQ80+8IFDAiIdOnz3FV3vdCPukB3fyUoG7YXfQAV+Bb hJlsJninGzF8A== Date: Tue, 16 Sep 2025 08:45:27 -0400 From: Sasha Levin To: Andrew Morton Cc: Donet Tom , David Hildenbrand , Ritesh Harjani , Xu Xin , Chengming Zhou , Wei Yang , Aboorva Devarajan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Giorgi Tchankvetadze , stable@vger.kernel.org, Joe Perches Subject: Re: [PATCH v2 1/3] mm/ksm: Fix incorrect KSM counter handling in mm_struct during fork Message-ID: References: <4044e7623953d9f4c240d0308cf0b2fe769ee553.1757946863.git.donettom@linux.ibm.com> <20250915164248.788601c4dc614913081ec7d7@linux-foundation.org> <20250915214117.5117d339669e091b1d3fa96d@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20250915214117.5117d339669e091b1d3fa96d@linux-foundation.org> X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 068961C0011 X-Stat-Signature: bggdqmp9axngjsx6tdyjpciipku7f8rx X-Rspam-User: X-HE-Tag: 1758026729-609660 X-HE-Meta: U2FsdGVkX1/IV9S5pjAQkuB3br55mINqWO0Sfn8941IQNNHj2Rs0VyALX/5K5Uo06PzzuSPMJnpfgm9ycrAWWYyVuc9lbGAOhhdX2RZwSBMx3s5dlfMGCgfpSTASUGGOLqd5iaeFFNhRlU4AqfXDm6LlGbUvV1VMbyYjPjjqFY7SQ9OJLXbnN9P3/yYRUPmErKaOGb0jJv1X7BV5xMXGNoN+/5idrxnaa0y5Wvoc/n057GOASQg9sICd1HSizaAHMz+QSeY+WxAIPcLzhoWpVQI3nckTNJnQuml+tEc6hSGbGL1CqPybouGLAXG+wVh+eda3i+o2g/xTj5ROrTgmdffn3Qkc0EsQCtmKGc6wn8C5VpTqj9V2Bc0ZYLClSRshPw8KlpVdLEZms9CFAqezEYRUZtYeqBB7IbXTzbYMgM6EpGLpuUAHJeHcJNLnfSCWyZi0kXJ97JncMieowJxOn7lur95qg7ty2wIfPV24b3nGEs8vOWLdIYCqHWH5RRAnDvSScYC7VSUhoZu8EyjZJIHkI2/xKaINX9nAZDeZKQB3Mgf9OQYKxr5vV+MyOHWNPnbkEh57ewIENq7aCzoP2keolHNmYCpXQnyqutCDEcbpJpW/uqpfOB2nNeN69iv7l77QplvfTvZfX6nk8uOScMHhRaqpZRtapzTXfrUwS88lChupE7LVoDuzX15Q7yi+l96QM9kUEpWo8PmxBNKTqXCQYg+YqgRcp4so+X6M151Sn1QOyNfiioqocIqyUKtOA2fjjE9G5lVPU5EECzS7SFjdXXSCkDAeJSKcFlTGpov6BUJAkEQudJS2jGlY7PdCLi+9TLARnjlGXQltqeI5D1NXK3HBKuOy3bpqWasUsAqgctEKAx8AcEnQjP8vE+1XO0WXwBO6VINtBhApk0Pk0SzpCzHT+s/wltRYAxvGzL8SghrRIraW6+7T9AV8JD5/IErZzNoo3u6WUtpZa89 8QctMzO8 0n/UXYYY4itTkQF8QV0qh9UZmuZBkVpq/YDFcvtqjXIRYlrME62ZWRm8+rcyBFTrDrXHkrA++rFF9A+3nhLmMCAyEaKRbpL125TnA+rW3LWY8UYM2ZIi9mUogoIK8fCNjGKG1li/G4JLqpKSEk+mtV/XQzyam4PzLBcNuwb2uO7wGEKhGbn/383jY0OUA3J3Toiv7rT3NEA77hCtY+J4xv9GuTOsBZQEPMHA4PS8xNJeWhjw214KrCuez6dY7v9xM+Dv2AShNymzpkWWqtJmtfWuQT/1AKO7cpvjEXYPs5g87DzS36MwEOUOKTRkqcQFHCS06YldaZAgxLBNGYlUyHRd6/Hkj6DzAaODb37nXfS0kNmF4QM/y/gIdOI3yHVLVe8zTKKsSXnhpi7Q= 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 Mon, Sep 15, 2025 at 09:41:17PM -0700, Andrew Morton wrote: >On Tue, 16 Sep 2025 00:33:09 -0400 Sasha Levin wrote: >> On Mon, Sep 15, 2025 at 04:42:48PM -0700, Andrew Morton wrote: >> >I think the most important use for Fixes: is to tell the -stable >> >maintainers which kernel version(s) we believe should receive the >> >patch. So listing multiple Fixes: targets just causes confusion. >> >> Right - there's no way of communicating if all the commits listed in multiple >> Fixes tags should exist in the tree, or any one of them, for the new fix to be >> applicable. > >So what should we do in this situation? For us, ideally point to the oldest commit fixed by the new commit with a Fixes: tag, and then a note along with the stable tag if this is a more complex scenario that we need to consider. -- Thanks, Sasha