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[13.158.86.59]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b0b3131f8csm1307297a91.2.2026.11.04.17.45.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Nov 2026 17:45:15 -0800 (PST) Message-ID: <0ee661a9-b642-424f-99a1-21c9731c53aa@gmail.com> Date: Thu, 5 Nov 2026 09:45:10 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/damon/core: reject empty access pattern intervals on scheme commit To: SJ Park Cc: jm5905938@gmail.com, akpm@linux-foundation.org, david@kernel.org, ljs@kernel.org, error27@gmail.com, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Liam R. Howlett" , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka References: <20261105013653.88123-1-sj@kernel.org> From: Wang Xiaolei In-Reply-To: <20261105013653.88123-1-sj@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 在 2026/11/5 9:36, SJ Park 写道: > On Wed, 4 Nov 2026 09:17:24 +0800 Wang Xiaolei wrote: > >> Hi SeongJae and Aveline >> >>  Thank you both for the careful review. >> >> I appreciate the clarification that DAMON simply executes what >> >>  the user configured, and that this is more of an input validation >> >> improvement than a bug fix. Perhaps I was too aggressive in framing >> >> it as a bug. > Thank you for clarifying. But my point is that this change might be just > unnecessary behavior change rather than an improvement. What do you think? Hi SeongJae Thank you again for the clear explanation. I agree with you . My earlier framing was wrong; I won't push this patch further. Let me focus on the other items that are genuine bugs instead. thanks xiaolei > > > Thanks, > SJ > > [...]